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RANKING · 2020 CENSUS · 500 SHOWN OF 3,101

Largest Scotch-Irish population, US counties · 2020

US counties ranked by the number of residents who are Scotch-Irish ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV.

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YEAR201020202024
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RANKPLACESTATEPOPSCOTCH-IRISH POPULATIONVS 2010
501Franklin County, VAVA55,5261,405−14%
502Sandoval County, NMNM159,5651,399−45%
503Johnson County, IAIA160,0441,395−35%
504Dutchess County, NYNY300,7081,388−67%
505Saginaw County, MIMI187,6881,383−51%
506Greene County, TNTN73,8311,382−37%
507Houston County, ALAL110,3181,381−34%
508Richmond County, GAGA206,5591,378−53%
509Bossier Parish, LALA131,8671,374−49%
510Passaic County, NJNJ531,6241,370−55%
511Fayette County, GAGA125,1561,363−59%
512Lafayette Parish, LALA257,9491,363−19%
513Tippecanoe County, ININ190,4561,363−54%
514Adams County, PAPA107,5941,362−30%
515Harrison County, WVWV64,2211,360−41%
516Frederick County, VAVA99,9551,359−23%
517Clark County, ININ130,4511,354−19%
518Jackson County, MIMI159,5521,352−57%
519Madison County, ININ135,0881,346−27%
520Fauquier County, VAVA76,5031,345−41%
521Navajo County, AZAZ109,9461,344−57%
522Tom Green County, TXTX120,6021,341−50%
523Tuscarawas County, OHOH92,3731,340−28%
524Kerr County, TXTX54,0371,339−35%
525Grafton County, NHNH93,2251,336−41%
526Essex County, NJNJ896,3791,330−63%
527Liberty County, TXTX121,3641,330−13%
528Lebanon County, PAPA146,3801,329−33%
529Bastrop County, TXTX118,9081,328−6%
530Lynchburg, VAVA81,3471,325−44%
531Venango County, PAPA49,3461,324−45%
532Monroe County, MIMI156,0041,322−44%
533Christian County, MOMO96,7251,320−14%
534Hendricks County, ININ193,5101,318−52%
535Faulkner County, ARAR133,9791,314−49%
536Yamhill County, OROR110,0241,312−47%
537Niagara County, NYNY208,9121,307−53%
538Wyandotte County, KSKS170,5971,306−31%
539Johnson County, TXTX218,0481,305−58%
540Douglas County, KSKS120,9201,305−51%
541St. Louis County, MNMN200,5181,302−52%
542Walton County, GAGA112,6961,300−43%
543Rockwall County, TXTX140,7381,298−24%
544Marshall County, ALAL103,5371,291−55%
545Lauderdale County, MSMS70,3171,291−28%
546Mercer County, NJNJ399,2891,290−65%
547Mitchell County, NCNC15,0621,289−6%
548Cullman County, ALAL94,0091,286−43%
549Buchanan County, MOMO83,5401,286−21%
550Potter County, TXTX114,4531,273−46%
551Loudon County, TNTN63,7641,272−43%
552Campbell County, VAVA55,6291,269−19%
553Robertson County, TNTN80,1751,268−11%
554Tazewell County, ILIL130,0491,264−50%
555Hampshire County, MAMA164,0651,260−65%
556Union County, NJNJ601,8631,257−62%
557Putnam County, WVWV56,8851,257−31%
558Monroe County, PAPA167,1791,254−39%
559Hood County, TXTX70,5011,251−26%
560Ohio County, WVWV40,4961,248−18%
561Perry County, PAPA46,8061,248+11%
562Platte County, MOMO114,4001,237−46%
563Laramie County, WYWY102,9381,237−55%
564Wayne County, OHOH116,7581,232−39%
565Nassau County, FLFL106,8791,230−34%
566Mason County, WAWA71,1651,230−26%
567James City County, VAVA83,3261,226−40%
568Franklin County, NCNC82,0371,226+8%
569Wood County, OHOH134,1761,224−34%
570Clearfield County, PAPA78,1001,222−23%
571Coconino County, AZAZ144,3681,211−49%
572Wichita County, TXTX129,5551,204−49%
573Josephine County, OROR87,8671,200−46%
574Burnet County, TXTX57,0151,188−26%
575St. Lawrence County, NYNY105,4881,186−49%
576Craven County, NCNC105,0251,184−60%
577Hernando County, FLFL221,7011,183−64%
578Lincoln County, OROR50,6361,183+3%
579Franklin County, MOMO108,0901,181−16%
580LaSalle County, ILIL107,7731,179−35%
581Hunt County, TXTX123,3361,176−48%
582Wood County, TXTX49,6881,175+12%
583Pulaski County, KYKY67,3841,175−5%
584Wilson County, NCNC81,1501,174−28%
585Cowlitz County, WAWA114,8851,172−61%
586Schenectady County, NYNY162,5811,168−40%
587St. Clair County, ALAL98,2061,167−31%
588Glynn County, GAGA87,5991,166−35%
589Broome County, NYNY195,7361,163−59%
590Etowah County, ALAL103,8861,158−45%
591Chautauqua County, NYNY124,1261,158−48%
592Ashe County, NCNC27,5141,155−12%
593Comanche County, OKOK122,1581,151−53%
594Richland County, OHOH124,8931,150−56%
595Jefferson County, OHOH63,5971,148−37%
596Effingham County, GAGA74,3971,148+21%
597Washington County, MDMD157,7311,146−46%
598Cumberland County, TNTN66,3001,145−7%
599Black Hawk County, IAIA131,5321,144−41%
600McLean County, ILIL171,4191,143−64%
601Yancey County, NCNC19,0841,142−9%
602Culpeper County, VAVA57,6661,142+22%
603Georgetown County, SCSC65,9121,141−47%
604Newport County, RIRI83,0511,140−35%
605Macon County, ILIL99,3001,139−37%
606Yadkin County, NCNC38,3251,129+45%
607Riley County, KSKS72,5981,125−23%
608Raleigh County, WVWV71,7751,123−11%
609Ulster County, NYNY183,3301,121−60%
610Island County, WAWA85,6571,119−44%
611Garland County, ARAR99,6951,119−61%
612Staunton, VAVA26,8011,114−26%
613Kenai Peninsula, AKAK61,9511,112−29%
614Transylvania County, NCNC34,2111,111−59%
615Wakulla County, FLFL38,0891,109−5%
616Newton County, GAGA125,5831,109−29%
617Doña Ana County, NMNM229,0911,109−43%
618Sampson County, NCNC61,5041,107−33%
619Nash County, NCNC99,3651,104−43%
620Athens County, OHOH63,1971,104−29%
621Pennington County, SDSD116,7921,102−47%
622Talladega County, ALAL81,6031,101+24%
623McCracken County, KYKY67,5531,100−27%
624Cherokee County, NCNC30,8301,099−44%
625Oneida County, NYNY226,3921,095−60%
626Minnehaha County, SDSD212,6911,085−14%
627Hampton, VAVA137,3151,085−52%
628Cascade County, MTMT85,0291,084−51%
629Washington County, VTVT59,6521,082−40%
630Franklin County, TNTN45,5791,082−21%
631Rock Island County, ILIL141,8691,076−58%
632Bonneville County, IDID135,7711,075−28%
633Ontario County, NYNY113,1301,069−40%
634Columbia County, FLFL74,0941,067−23%
635Knox County, MEME41,1171,066−20%
636Clallam County, WAWA78,2021,066−55%
637Napa County, CACA132,9491,064−58%
638Bulloch County, GAGA86,9491,062−38%
639Lenawee County, MIMI97,7791,057−33%
640Houston County, GAGA178,2141,056−62%
641Cherokee County, SCSC58,2751,054−34%
642Gloucester County, VAVA40,0971,053−18%
643Campbell County, TNTN40,2901,049+62%
644Cochise County, AZAZ126,3321,046−58%
645Henderson County, TXTX88,5951,045−29%
646Charles County, MDMD176,5931,042−50%
647Tuolumne County, CACA53,1601,038−33%
648Greene County, PAPA33,8851,037−46%
649Madison County, NCNC22,5531,036−23%
650Campbell County, KYKY95,4411,036−37%
651Berrien County, MIMI152,4441,031−54%
652Livingston Parish, LALA155,0361,029−55%
653Mendocino County, CACA88,1221,027−47%
654Calvert County, MDMD94,4841,026−54%
655Hudson County, NJNJ735,0331,024−60%
656Tipton County, TNTN62,2871,022−18%
657Scott County, IAIA175,2591,022−56%
658Somerset County, NJNJ356,4861,018−65%
659Washington County, OHOH58,3891,017−25%
660Scott County, VAVA21,2001,012+8%
661Bonner County, IDID54,4201,012−28%
662Sussex County, NJNJ148,0631,012−50%
663Dyer County, TNTN36,3201,010+49%
664Dare County, NCNC38,2451,009−26%
665Vigo County, ININ106,5121,008−42%
666Monroe County, TNTN49,7301,005−28%
667Walker County, TXTX83,8421,005−24%
668York County, VAVA71,3741,003−53%
669Rensselaer County, NYNY160,5101,001−58%
670Marion County, WVWV55,584999−42%
671Lafayette County, MSMS59,597999−54%
672Wagoner County, OKOK93,263998−19%
673Cecil County, MDMD107,131998−60%
674Carroll County, GAGA131,036997−47%
675Flagler County, FLFL140,360991−41%
676Pearl River County, MSMS59,363991+9%
677Aroostook County, MEME66,609989−57%
678St. Mary's County, MDMD116,692989−47%
679Lyon County, NVNV65,088986−28%
680Carroll County, NHNH52,784985−48%
681Duplin County, NCNC51,571985−21%
682Lycoming County, PAPA112,587983−43%
683Natrona County, WYWY80,526982−50%
684Belmont County, OHOH64,434981−55%
685Rockbridge County, VAVA22,663980−42%
686Chester County, SCSC33,001979−22%
687Bartholomew County, ININ85,729978−45%
688Ector County, TXTX173,801975−46%
689Windsor County, VTVT57,312974−46%
690Robeson County, NCNC119,941974−60%
691Cole County, MOMO77,908972−25%
692Mercer County, WVWV57,503972−35%
693Coffee County, ALAL56,953964−25%
694Huntingdon County, PAPA43,001957−26%
695Washington County, NYNY59,353956−46%
696Coryell County, TXTX85,592955−30%
697Coos County, OROR63,992953−46%
698White County, ARAR80,085952−45%
699Kent County, DEDE194,786952−69%
700Jones County, MSMS66,496952−46%
701Boone County, ININ80,689947+3%
702Rapides Parish, LALA125,877942−56%
703Oldham County, KYKY70,986940−30%
704Maui County, HIHI160,592937−59%
705Oconee County, GAGA44,893936−5%
706Suffolk, VAVA104,699935−44%
707Jackson County, GAGA99,265934−20%
708Luzerne County, PAPA332,126934−62%
709Bullitt County, KYKY86,454934+13%
710San Benito County, CACA70,082933+44%
711Lewis County, WAWA88,062930−61%
712Pickens County, GAGA37,167930−4%
713Ross County, OHOH76,429928−43%
714Scioto County, OHOH71,365926−6%
715Sebastian County, ARAR130,641923−64%
716Upshur County, TXTX44,410921−2%
717Highlands County, FLFL111,122918−39%
718Clarendon County, SCSC31,043918+25%
719Washington County, RIRI129,795917−71%
720Walker County, GAGA70,250914−35%
721Mifflin County, PAPA46,127912−29%
722Muskingum County, OHOH87,014911−38%
723Hancock County, MEME57,171909−58%
724Salem, VAVA25,816909+7%
725Fluvanna County, VAVA28,975905+71%
726Brown County, TXTX38,711905−7%
727Ravalli County, MTMT48,582899−36%
728Floyd County, ININ82,153897−33%
729Johnson County, MOMO56,670896−31%
730Cache County, UTUT145,000895−32%
731Elkhart County, ININ208,774894−64%
732Daviess County, KYKY104,898894−42%
733Lowndes County, GAGA122,867893−53%
734Tazewell County, VAVA38,635892−44%
735Klamath County, OROR70,274885−49%
736Lapeer County, MIMI89,516881−55%
737Polk County, OROR90,037876−59%
738Muskegon County, MIMI177,901876−63%
739Rogers County, OKOK102,197875−28%
740LaPorte County, ININ111,294874−25%
741Kendall County, TXTX53,289870−29%
742Lawrence County, TNTN46,914870−40%
743Miami County, OHOH112,634870−56%
744Boyd County, KYKY47,751870−26%
745Madera County, CACA167,927867−53%
746Pike County, KYKY54,721866−38%
747Jefferson County, WVWV63,102866+9%
748Gibson County, TNTN51,779864−41%
749Columbus County, NCNC50,487861−53%
750Granville County, NCNC61,421860−16%
751McMinn County, TNTN57,404860−54%
752Chelan County, WAWA81,941859−41%
753Bannock County, IDID91,591859−43%
754Rockdale County, GAGA98,416858−40%
755Tallapoosa County, ALAL40,953852−8%
756Callaway County, MOMO45,765852+7%
757Lawrence County, MOMO39,401852+10%
758Newton County, MOMO62,263851−36%
759Marshall County, TNTN38,071850+2%
760Gordon County, GAGA61,701848−33%
761Charlottesville, VAVA44,388844−35%
762Yuma County, AZAZ224,449844−63%
763Clayton County, GAGA297,471843−46%
764Somerset County, MEME51,620842−52%
765Tompkins County, NYNY104,047842−51%
766Jessamine County, KYKY57,147841−33%
767Lawrence County, OHOH55,710840−26%
768Ashtabula County, OHOH96,713839−59%
769Hidalgo County, TXTX921,549838−61%
770Pontotoc County, MSMS32,096837+57%
771San Jacinto County, TXTX29,488836+45%
772Simpson County, MSMS25,498836+57%
773Oxford County, MEME60,346836−60%
774Walla Walla County, WAWA62,361834−34%
775Alexander County, NCNC36,958834−31%
776Franklin County, MAMA70,698833−43%
777Habersham County, GAGA50,416833−27%
778Williamson County, ILIL67,225832−28%
779Smyth County, VAVA28,882831−40%
780Kosciusko County, ININ80,892830+6%
781Allen County, OHOH100,881830−44%
782White County, GAGA29,802828−26%
783Boone County, ARAR38,628826−4%
784Laurel County, KYKY63,746826−1%
785Jackson County, ILIL52,501824−29%
786Craighead County, ARAR116,957823−61%
787Greenbrier County, WVWV31,578819−52%
788Ashland County, OHOH52,523819−19%
789Rock County, WIWI166,472816−54%
790Walker County, ALAL65,140816−29%
791Calhoun County, MIMI133,408816−60%
792Fayette County, WVWV38,165815−23%
793Warren County, NJNJ112,953815−40%
794Harris County, GAGA37,280813−31%
795Bedford County, TNTN55,273811−16%
796Wilson County, TXTX56,139811−44%
797Gila County, AZAZ53,801811−15%
798Cape May County, NJNJ93,390809−57%
799Wise County, VAVA34,824808−46%
800Eaton County, MIMI109,581806−58%
801Hancock County, WVWV27,729802−46%
802Jackson County, ALAL54,281801−19%
803Johnson County, TNTN18,718799+71%
804Louisa County, VAVA42,924798−4%
805Steuben County, NYNY91,855795−54%
806Chesterfield County, SCSC44,740795−58%
807Story County, IAIA101,291795−37%
808Marshall County, WVWV29,159792−31%
809Dawson County, GAGA35,365792+29%
810Barrow County, GAGA99,773790−52%
811Bladen County, NCNC30,007790−54%
812Payne County, OKOK83,889790−63%
813Umatilla County, OROR81,119788−64%
814Warren County, MSMS41,759788−13%
815Lowndes County, MSMS57,346785−42%
816Catoosa County, GAGA69,628784−51%
817Clarion County, PAPA36,680784−43%
818Orange County, TXTX86,266783−57%
819Franklin County, KYKY52,649781−43%
820Spalding County, GAGA70,775775−40%
821Jefferson County, PAPA43,255774−43%
822Kankakee County, ILIL105,525772−41%
823Delaware County, ININ113,106770−48%
824Washington County, OKOK54,037770−25%
825Amador County, CACA41,876769−33%
826Kenosha County, WIWI168,448765−43%
827Harrisonburg, VAVA50,839764−16%
828Polk County, NCNC20,533755−30%
829Berkshire County, MAMA128,224755−71%
830Perry County, KYKY26,555755−7%
831Angelina County, TXTX88,154752−57%
832Grand Traverse County, MIMI96,729752−61%
833Merced County, CACA297,260751−57%
834Cass County, NDND201,794751−59%
835Clark County, KYKY37,888751−16%
836Brown County, WIWI275,803750−64%
837Botetourt County, VAVA34,144748−43%
838Taney County, MOMO57,001748−38%
839Stephens County, GAGA27,854747+34%
840Putnam County, FLFL77,734745−53%
841Fayette County, TNTN45,071745−37%
842Pittsylvania County, VAVA59,490742−28%
843Kent County, RIRI173,495742−74%
844Douglas County, GAGA154,293741−61%
845Allegan County, MIMI123,188741−47%
846Lincoln County, TNTN36,853740−44%
847Scott County, MNMN159,017735−26%
848Erie County, OHOH73,296734−32%
849Wicomico County, MDMD106,899727−52%
850Warren County, PAPA37,038726−42%
851Broomfield County, COCO79,174724−43%
852Winnebago County, WIWI174,218723−42%
853Oktibbeha County, MSMS51,896722−44%
854Greenup County, KYKY35,213721−19%
855Stokes County, NCNC46,126718−32%
856Adams County, ILIL64,267717−46%
857Hart County, GAGA28,639716+25%
858Shenandoah County, VAVA45,839716−37%
859Grays Harbor County, WAWA78,144715−61%
860Carson City, NVNV58,571714−45%
861Webb County, TXTX281,224712+252%
862Shelby County, KYKY51,243712−21%
863Racine County, WIWI198,919710−56%
864Reno County, KSKS61,539710−50%
865Oswego County, NYNY118,569708−64%
866Hopkins County, KYKY45,127708−7%
867Otsego County, NYNY60,589707−43%
868Belknap County, NHNH65,147706−51%
869Cape Girardeau County, MOMO83,999706−52%
870Dickson County, TNTN58,662706−62%
871Orange County, VAVA40,083705−15%
872Hunterdon County, NJNJ131,781705−67%
873Waldo County, MEME40,693705−65%
874Hancock County, ININ90,969704−29%
875Pickaway County, OHOH62,978701−8%
876Troup County, GAGA72,844701−43%
877Hancock County, MSMS46,873697+15%
878Haralson County, GAGA33,066696−22%
879Marion County, OHOH65,115696−46%
880Leavenworth County, KSKS84,590695−55%
881Kendall County, ILIL145,470690−50%
882Carroll County, VAVA29,299684+38%
883Cheshire County, NHNH78,269682−72%
884Christian County, KYKY70,115682−50%
885Allegany County, MDMD66,848677−59%
886Coffee County, TNTN62,419677−49%
887Cameron County, TXTX433,946676−62%
888Otero County, NMNM70,368676−55%
889Lincoln Parish, LALA48,360675−48%
890Morgan County, TNTN22,160674+23%
891Lackawanna County, PAPA216,502674−65%
892Essex County, NYNY36,438673−33%
893Woodbury County, IAIA106,649673−47%
894Barren County, KYKY45,641673−32%
895Livingston County, NYNY61,438672−47%
896Warren County, NYNY65,020672−55%
897Pottawattamie County, IAIA92,996672−62%
898Wayne County, ININ66,169672−50%
899Butler County, KSKS69,484672−64%
900Grainger County, TNTN25,739672+5%
901Monroe County, GAGA32,023671−35%
902Pottawatomie County, OKOK75,102670−41%
903Tioga County, PAPA40,502670−21%
904Nacogdoches County, TXTX66,035669−54%
905Madison County, OHOH46,985668+7%
906Giles County, TNTN31,433668−14%
907Guernsey County, OHOH38,379665−44%
908McKean County, PAPA38,984665−21%
909Scott County, TNTN22,671664−21%
910Dale County, ALAL49,912664−51%
911Rabun County, GAGA17,764664−23%
912Union County, MSMS28,459663+21%
913Windham County, VTVT45,204662−54%
914Somerset County, PAPA72,004659−47%
915Olmsted County, MNMN166,731657−54%
916Columbia County, OROR54,091657−44%
917Monroe County, FLFL80,406655−40%
918Calaveras County, CACA46,605653−50%
919Bandera County, TXTX22,876652+36%
920Cooke County, TXTX44,461652−43%
921Columbia County, NYNY60,168650−42%
922Union County, GAGA27,859650−21%
923Fairfield County, SCSC20,340650−34%
924Camden County, MOMO44,047648−31%
925Baxter County, ARAR42,982647−48%
926Pulaski County, MOMO54,442646−17%
927Dallas County, IAIA118,457644−35%
928Abbeville County, SCSC24,836642−56%
929Pope County, ARAR64,976641−50%
930Lake County, CACA67,772641−62%
931Clay County, NCNC12,239640+21%
932Hill County, TXTX39,503639−21%
933Dillon County, SCSC27,458639−49%
934Stone County, MOMO32,503637−44%
935Amherst County, VAVA31,962637−47%
936Warren County, VAVA42,740633−48%
937Wise County, TXTX83,778632−27%
938Stevens County, WAWA49,668631−49%
939Autauga County, ALAL61,920630−54%
940Yuba County, CACA88,691629−66%
941Hoke County, NCNC56,939627−53%
942Pasquotank County, NCNC42,201627−2%
943Geauga County, OHOH95,676625−60%
944Pulaski County, VAVA33,586624−36%
945Danville, VAVA41,647621−35%
946Limestone County, TXTX22,849621+20%
947Caldwell County, TXTX55,150621−29%
948Levy County, FLFL48,520618−46%
949Randolph County, ILIL29,921618−19%
950Boyle County, KYKY31,632618−42%
951Cattaraugus County, NYNY75,390617−51%
952Knox County, ILIL47,767617−41%
953La Crosse County, WIWI121,339611−38%
954Polk County, TXTX53,434610−67%
955Lampasas County, TXTX23,657608+16%
956Portsmouth, VAVA96,777606−63%
957Logan County, OKOK55,473606−21%
958Rockland County, NYNY357,397605−62%
959Union County, OHOH73,446604−49%
960Camden County, GAGA60,143603−27%
961Siskiyou County, CACA42,013602−52%
962DeKalb County, ALAL74,085600−61%
963Garfield County, OKOK61,779599−38%
964Carroll County, OHOH26,475597−22%
965Fremont County, WYWY39,464596−42%
966DeKalb County, ILIL101,835596−61%
967Calloway County, KYKY39,421596−58%
968Henry County, ILIL48,095595−20%
969Grant County, ININ66,524595−33%
970Preston County, WVWV34,004593−26%
971Bryan County, GAGA52,062593+7%
972Montgomery County, NCNC26,403593−54%
973Latah County, IDID41,842592−48%
974Richmond County, NYNY501,290590−69%
975Chaves County, NMNM63,364590−53%
976Marlboro County, SCSC25,488590−31%
977Fremont County, COCO50,039589−43%
978Whitfield County, GAGA106,212589−65%
979Jefferson County, NYNY111,540588−70%
980Lincoln County, MSMS35,012588+3%
981Sagadahoc County, MEME37,979587−57%
982Sanders County, MTMT14,062584+48%
983Wright County, MNMN157,559583−36%
984Lonoke County, ARAR76,664581−73%
985Grant County, WAWA105,727581−64%
986Caswell County, NCNC22,563580+33%
987Albany County, WYWY38,558577−36%
988Creek County, OKOK74,967577−53%
989Covington County, ALAL37,947576−8%
990St. Francois County, MOMO67,809575−46%
991Scotland County, NCNC33,322575−55%
992Jefferson County, ININ33,279573−35%
993Waller County, TXTX69,858572−5%
994Campbell County, WYWY48,145570−38%
995Douglas County, NVNV50,111567−48%
996Sullivan County, NHNH43,961565−48%
997Rhea County, TNTN34,844564−48%
998Ascension Parish, LALA135,105562−50%
999Delaware County, NYNY44,305561−61%
1000Valencia County, NMNM82,013561−50%
SHOWING 501–1,000 OF 3,101
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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS