Census tract rankings · Iowa

Most populous census tracts in Iowa

Where the most people live inside a single tract. The Census Bureau aims for 4,000 residents per tract but splits and merges aren't always synchronized with growth. Filtered to Iowa, ranked among all tracts in the state.

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Rank	Tract	County	population
#1	Tract 102.16	Polk, IA	18,544
#2	Tract 508.03	Dallas, IA	14,390
#3	Tract 101.02	Polk, IA	13,605
#4	Tract 102.14	Polk, IA	9,109
#5	Tract 102.05	Polk, IA	9,029
#6	Tract 103.03	Johnson, IA	8,913
#7	Tract 137.06	Scott, IA	8,840
#8	Tract 202.02	Warren, IA	8,788
#9	Tract 508.07	Dallas, IA	8,693
#10	Tract 108.05	Polk, IA	8,302
#11	Tract 501	Dallas, IA	8,233
#12	Tract 509.02	Dallas, IA	8,221
#13	Tract 115	Polk, IA	8,161
#14	Tract 113.03	Polk, IA	8,153
#15	Tract 508.17	Dallas, IA	8,021
#16	Tract 101	Johnson, IA	7,891
#17	Tract 106.02	Polk, IA	7,466
#18	Tract 102.01	Scott, IA	7,185
#19	Tract 1.01	Linn, IA	7,154
#20	Tract 103.04	Johnson, IA	7,132
#21	Tract 51.01	Polk, IA	7,131
#22	Tract 507	Dallas, IA	7,077
#23	Tract 110.27	Polk, IA	7,051
#24	Tract 9701	Plymouth, IA	6,958
#25	Tract 1	Johnson, IA	6,929
#26	Tract 21.02	Woodbury, IA	6,756
#27	Tract 105	Polk, IA	6,753
#28	Tract 107.02	Polk, IA	6,739
#29	Tract 1.02	Linn, IA	6,733
#30	Tract 102.15	Polk, IA	6,730
#31	Tract 9.02	Linn, IA	6,712
#32	Tract 102.01	Dubuque, IA	6,699
#33	Tract 30.05	Linn, IA	6,654
#34	Tract 107	Linn, IA	6,641
#35	Tract 107.08	Polk, IA	6,572
#36	Tract 703	Sioux, IA	6,521
#37	Tract 106	Linn, IA	6,500
#38	Tract 114.06	Polk, IA	6,494
#39	Tract 9603	Carroll, IA	6,389
#40	Tract 102.09	Polk, IA	6,376
#41	Tract 26.05	Black Hawk, IA	6,337
#42	Tract 9604	Buena Vista, IA	6,315
#43	Tract 9	Clinton, IA	6,298
#44	Tract 29	Linn, IA	6,184
#45	Tract 108.04	Polk, IA	6,167
#46	Tract 508.05	Dallas, IA	6,144
#47	Tract 108.02	Linn, IA	6,142
#48	Tract 301	Pottawattamie, IA	6,136
#49	Tract 17	Linn, IA	6,078
#50	Tract 137.02	Scott, IA	6,040
#51	Tract 13.02	Story, IA	6,029
#52	Tract 8.01	Polk, IA	6,023
#53	Tract 26.01	Black Hawk, IA	5,974
#54	Tract 25	Black Hawk, IA	5,927
#55	Tract 203	Boone, IA	5,927
#56	Tract 101.04	Dubuque, IA	5,927
#57	Tract 101.01	Polk, IA	5,927
#58	Tract 117.03	Polk, IA	5,911
#59	Tract 9605	Benton, IA	5,901
#60	Tract 110.26	Polk, IA	5,875
#61	Tract 13.04	Story, IA	5,842
#62	Tract 9503	Lyon, IA	5,804
#63	Tract 103.05	Johnson, IA	5,772
#64	Tract 4505	Cedar, IA	5,749
#65	Tract 404	Jasper, IA	5,742
#66	Tract 9605	Buena Vista, IA	5,736
#67	Tract 9.01	Linn, IA	5,719
#68	Tract 105.01	Johnson, IA	5,710
#69	Tract 704.02	Crawford, IA	5,684
#70	Tract 3	Linn, IA	5,668
#71	Tract 107.03	Polk, IA	5,653
#72	Tract 39.02	Polk, IA	5,619
#73	Tract 102.02	Scott, IA	5,618
#74	Tract 104.01	Scott, IA	5,609
#75	Tract 129.02	Scott, IA	5,609
#76	Tract 3	Woodbury, IA	5,609
#77	Tract 30.01	Black Hawk, IA	5,588
#78	Tract 202.01	Warren, IA	5,582
#79	Tract 129.01	Scott, IA	5,577
#80	Tract 9601	Clarke, IA	5,532
#81	Tract 9503	Delaware, IA	5,532
#82	Tract 508.14	Dallas, IA	5,524
#83	Tract 508.16	Dallas, IA	5,481
#84	Tract 2.11	Linn, IA	5,481
#85	Tract 18.01	Johnson, IA	5,468
#86	Tract 103.08	Johnson, IA	5,457
#87	Tract 5	Story, IA	5,452
#88	Tract 2.01	Linn, IA	5,451
#89	Tract 106	Story, IA	5,447
#90	Tract 503	Muscatine, IA	5,446
#91	Tract 205	Boone, IA	5,442
#92	Tract 26.06	Black Hawk, IA	5,411
#93	Tract 46.02	Polk, IA	5,409
#94	Tract 108.03	Polk, IA	5,392
#95	Tract 137.05	Scott, IA	5,390
#96	Tract 9704	Henry, IA	5,366
#97	Tract 5	Linn, IA	5,335
#98	Tract 10	Story, IA	5,311
#99	Tract 110.28	Polk, IA	5,306
#100	Tract 508.12	Dallas, IA	5,305