Which county has the highest population density?

New York County, New York ranks #1 with 65,652 (1990 Decennial Census).

What are the top 5 counties by population density?

New York County, New York, Kings County, New York, Bronx County, New York, Queens County, New York, San Francisco County, California.

How many counties are in this ranking?

3,122 counties qualify after filtering for population minimums and data availability. The ranking covers 1990 Decennial Census data.

How is population density measured?

Residents per square mile of land area. Source: US Census Bureau, 1990 Decennial Census.

RANKING · 1990 CENSUS · 500 SHOWN OF 3,122

Most densely populated, US counties · 1990

US counties ranked by residents per square mile (1990).

Flip the list · Most sparsely populated, US counties →

All statesAll rankings

SAME RANKING BYCities States Metros

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS –

1501Simpson County, MSMS25,49841–

1502Towns County, GAGA13,28541–

1503Pointe Coupee Parish, LALA19,52040–

1504Taney County, MOMO57,00140–

1505Washington County, NCNC10,63840–

1506Payette County, IDID27,82440–

1507Lake County, CACA67,77240–

1508Washoe County, NVNV509,38640–

1509Warren County, NCNC18,89840–

1510Clatsop County, OROR40,92640–

1511Marion County, ALAL29,09740–

1512Davison County, SDSD20,06940–

1513Morehouse Parish, LALA23,70540–

1514Fulton County, KYKY6,21840–

1515Seminole County, OKOK23,44140–

1516Webster County, MOMO43,05440–

1517Harrison County, OHOH14,07040–

1518Mason County, WAWA71,16540–

1519McClain County, OKOK49,64740–

1520Covington County, MSMS17,89840–

1521Linn County, OROR132,84340–

1522King William County, VAVA19,61740–

1523McNairy County, TNTN26,23640–

1524Nez Perce County, IDID42,90540–

1525Lincoln County, OROR50,63640–

1526Webb County, TXTX281,22440–

1527Scott County, MSMS28,07340–

1528Clinton County, MOMO21,66140–

1529Mitchell County, GAGA20,46740–

1530Navarro County, TXTX57,18140–

1531Ware County, GAGA36,90639–

1532Bond County, ILIL16,95939–

1533Williamsburg County, SCSC29,66239–

1534Cannon County, TNTN15,29639–

1535Summers County, WVWV11,53239–

1536Callaway County, MOMO45,76539–

1537Atchison County, KSKS16,17239–

1538Manistee County, MIMI25,65639–

1539Hardin County, TNTN27,98339–

1540Marquette County, MIMI68,06439–

1541Dickinson County, IAIA18,07739–

1542Pierce County, GAGA20,76439–

1543Logan County, OKOK55,47339–

1544Cherokee County, TXTX53,33739–

1545Shasta County, CACA181,64839–

1546Sioux County, IAIA36,77439–

1547Douglas County, NVNV50,11139–

1548Suwannee County, FLFL48,14939–

1549Northampton County, NCNC16,49139–

1550Bonneville County, IDID135,77139–

1551Buffalo County, NENE51,17239–

1552Ray County, MOMO23,39839–

1553Okeechobee County, FLFL42,60839–

1554Franklin County, KSKS26,29938–

1555Caldwell County, KYKY12,60938–

1556Harris County, GAGA37,28038–

1557Wise County, TXTX83,77838–

1558Bracken County, KYKY8,51138–

1559Cass County, NENE27,65738–

1560Josephine County, OROR87,86738–

1561Antrim County, MIMI24,69838–

1562Tyler County, WVWV7,88138–

1563Benzie County, MIMI18,56838–

1564Walla Walla County, WAWA62,36138–

1565Wayne County, KYKY19,59738–

1566McLean County, KYKY9,06438–

1567Orange County, VTVT30,00238–

1568Delaware County, OKOK41,91038–

1569Roscommon County, MIMI23,91438–

1570Polk County, WIWI45,80338–

1571Carroll County, NHNH52,78438–

1572Richmond County, VAVA9,29438–

1573Grady County, OKOK59,12838–

1574Seminole County, GAGA9,16238–

1575Adair County, KYKY19,42338–

1576Coos County, OROR63,99238–

1577Wabasha County, MNMN21,53738–

1578Pulaski County, ILIL4,82038–

1579Carroll County, ILIL15,41938–

1580Madison County, NCNC22,55338–

1581Mahaska County, IAIA21,88038–

1582Livingston County, ILIL35,05738–

1583Carroll County, IAIA20,30338–

1584Calhoun County, TXTX19,59938–

1585Hopkins County, TXTX39,06338–

1586Itawamba County, MSMS24,15238–

1587Escambia County, ALAL36,66538–

1588DeSoto County, FLFL37,07837–

1589Jefferson County, IAIA15,29137–

1590Pike County, ININ12,00337–

1591Madison County, VAVA14,23737–

1592Union County, GAGA27,85937–

1593Richland Parish, LALA19,58237–

1594Morgan County, GAGA22,09537–

1595Grundy County, TNTN14,11637–

1596Barnwell County, SCSC20,65337–

1597Yankton County, SDSD23,63537–

1598Tattnall County, GAGA24,37637–

1599Grayson County, VAVA15,23037–

1600Benton County, TNTN16,18337–

1601Burleigh County, NDND103,25137–

1602Appomattox County, VAVA17,17237–

1603Wharton County, TXTX42,06037–

1604Labette County, KSKS19,68537–

1605Edgefield County, SCSC29,80837–

1606McCreary County, KYKY17,12437–

1607Moore County, TNTN6,92037–

1608Buchanan County, IAIA20,88336–

1609Haywood County, TNTN17,04236–

1610Caroline County, VAVA34,41336–

1611Spencer County, KYKY20,99836–

1612Brown County, TXTX38,71136–

1613Cherokee County, KSKS19,10536–

1614Jeff Davis County, GAGA15,21936–

1615Jo Daviess County, ILIL21,59436–

1616Fayette County, TNTN45,07136–

1617Tioga County, PAPA40,50236–

1618Green County, KYKY11,64436–

1619Patrick County, VAVA17,42436–

1620Saluda County, SCSC19,68036–

1621Hart County, KYKY20,11736–

1622Chickasaw County, MSMS16,73036–

1623Winston County, ALAL23,82936–

1624Ohio County, KYKY23,93436–

1625Howard County, TXTX30,50436–

1626Franklin Parish, LALA19,00236–

1627Jackson County, OKOK24,76436–

1628Dodge County, MNMN21,37636–

1629Putnam County, ILIL5,61936–

1630Cass County, ILIL12,46336–

1631Doña Ana County, NMNM229,09136–

1632Osceola County, MIMI23,51636–

1633Lee County, KYKY7,29736–

1634Walthall County, MSMS13,92836–

1635Laclede County, MOMO36,94336–

1636Menard County, ILIL11,86336–

1637Halifax County, VAVA33,44736–

1638Dodge County, GAGA19,66336–

1639Copiah County, MSMS27,49735–

1640Bryan County, OKOK51,36735–

1641Barry County, MOMO36,20035–

1642Piatt County, ILIL16,79135–

1643Covington County, ALAL37,94735–

1644Butler County, KSKS69,48435–

1645Lincoln County, GAGA8,11235–

1646Warren County, ILIL16,22235–

1647Cherokee County, ALAL26,41335–

1648Bryan County, GAGA52,06235–

1649Dickinson County, MIMI25,82735–

1650Fleming County, KYKY15,78735–

1651Cooke County, TXTX44,46135–

1652Houghton County, MIMI37,84235–

1653Washington County, KYKY12,36835–

1654Newton County, MSMS20,96035–

1655Stoddard County, MOMO28,28435–

1656Perry County, MOMO19,09335–

1657Mississippi County, MOMO12,00335–

1658Switzerland County, ININ10,03735–

1659Cleburne County, ARAR25,67235–

1660Houston County, TNTN8,47935–

1661Hardeman County, TNTN25,27435–

1662Miller County, MOMO25,81735–

1663Otsego County, MIMI26,08035–

1664Bath County, KYKY13,17635–

1665Wayne County, GAGA32,48135–

1666George County, MSMS26,33135–

1667Buena Vista County, IAIA20,44935–

1668Conway County, ARAR21,39335–

1669Lyon County, MNMN25,68435–

1670Parke County, ININ16,64235–

1671Orleans County, VTVT27,60035–

1672Jackson County, KYKY13,32535–

1673Monroe County, KYKY11,19135–

1674Worth County, GAGA20,05935–

1675Hale County, TXTX31,81935–

1676Scott County, TNTN22,67134–

1677Washington County, IAIA22,66734–

1678Trempealeau County, WIWI31,17134–

1679Nicholas County, KYKY7,94934–

1680Jefferson Davis County, MSMS10,94134–

1681Kleberg County, TXTX30,31534–

1682Charles City County, VAVA6,62334–

1683Polk County, MOMO33,60434–

1684Meeker County, MNMN23,60334–

1685Randolph County, ALAL23,16334–

1686Edmonson County, KYKY12,74934–

1687Audrain County, MOMO24,52834–

1688Morgan County, OHOH13,62634–

1689Floyd County, IAIA14,90134–

1690Leslie County, KYKY9,62734–

1691Greenbrier County, WVWV31,57834–

1692Monroe County, OHOH12,99434–

1693Carlton County, MNMN36,71134–

1694Howell County, MOMO40,79834–

1695Andrew County, MOMO18,24134–

1696Pamlico County, NCNC12,75834–

1697Matagorda County, TXTX36,46334–

1698Jones County, IAIA21,25334–

1699Essex County, VAVA10,65434–

1700Grays Harbor County, WAWA78,14434–

1701Newton County, ININ14,18834–

1702Lawrence County, KYKY15,76534–

1703Bacon County, GAGA11,07034–

1704Chambers County, TXTX57,59434–

1705West Carroll Parish, LALA9,15634–

1706Hardin County, IAIA16,45534–

1707Columbia County, ARAR21,89434–

1708Houston County, MNMN18,40034–

1709Calhoun County, SCSC14,18833–

1710Edwards County, ILIL5,89833–

1711Humboldt County, CACA131,64733–

1712White County, ILIL13,25033–

1713Sequatchie County, TNTN17,86133–

1714Clay County, NCNC12,23933–

1715Marshall County, ILIL11,47333–

1716Garvin County, OKOK26,37733–

1717Ogemaw County, MIMI21,12133–

1718Jasper County, TXTX33,07533–

1719Morgan County, TNTN22,16033–

1720Starr County, TXTX66,31933–

1721Pender County, NCNC72,11133–

1722Weld County, COCO378,42633–

1723Jefferson County, GAGA15,01133–

1724Codington County, SDSD29,56233–

1725Johnson County, ILIL13,36333–

1726Holmes County, FLFL20,11933–

1727Kerr County, TXTX54,03733–

1728Barton County, KSKS24,79033–

1729Cowley County, KSKS34,38233–

1730Lewis County, TNTN13,48733–

1731Plaquemines Parish, LALA22,25633–

1732Bladen County, NCNC30,00733–

1733Delaware County, NYNY44,30533–

1734Macon County, GAGA11,75633–

1735Mille Lacs County, MNMN27,75333–

1736Poweshiek County, IAIA18,36833–

1737Colleton County, SCSC39,38233–

1738Pulaski County, GAGA10,17233–

1739Poinsett County, ARAR22,48333–

1740Fairfield County, SCSC20,34032–

1741Hampton County, SCSC18,17432–

1742Clallam County, WAWA78,20232–

1743Crawford County, ININ10,50932–

1744Hood River County, OROR23,72032–

1745Vernon County, WIWI31,44332–

1746Delta County, MIMI36,58232–

1747Martin County, MNMN19,44032–

1748Ste. Genevieve County, MOMO18,68932–

1749Adair County, OKOK19,82832–

1750West Feliciana Parish, LALA15,13432–

1751Douglas County, WIWI43,99032–

1752Clay County, SDSD15,03132–

1753Winston County, MSMS17,47332–

1754Cass County, TXTX28,65132–

1755Casey County, KYKY16,20532–

1756Ballard County, KYKY7,59432–

1757Breathitt County, KYKY12,55832–

1758Candler County, GAGA11,27532–

1759Brookings County, SDSD37,63532–

1760Clark County, ILIL15,11432–

1761Terrell County, GAGA8,65632–

1762St. Louis County, MNMN200,51832–

1763Leake County, MSMS21,66232–

1764Fulton County, PAPA14,48332–

1765Baker County, FLFL29,73732–

1766Page County, IAIA14,85632–

1767Floyd County, VAVA15,78932–

1768Rabun County, GAGA17,76431–

1769Edgar County, ILIL16,32331–

1770McDonald County, MOMO23,99231–

1771Polk County, TNTN18,59231–

1772Calaveras County, CACA46,60531–

1773Jackson County, IAIA19,28831–

1774Decatur County, TNTN11,82031–

1775Gilmer County, GAGA33,89431–

1776Benton County, IAIA26,00431–

1777Roane County, WVWV13,31731–

1778Brooks County, GAGA16,10131–

1779Delaware County, IAIA17,67431–

1780Berrien County, GAGA18,93231–

1781Cross County, ARAR16,18631–

1782Saline County, MOMO23,26531–

1783Pittsburg County, OKOK43,32031–

1784New Madrid County, MOMO15,08631–

1785Clay County, IAIA16,20231–

1786Lyon County, KYKY9,12331–

1787Appling County, GAGA19,10031–

1788Waushara County, WIWI25,22331–

1789Metcalfe County, KYKY10,58331–

1790Martin County, ININ9,85631–

1791Clay County, ILIL12,79331–

1792Cumberland County, ILIL10,20831–

1793Mercer County, ILIL15,22931–

1794Rockbridge County, VAVA22,66331–

1795Lincoln County, WIWI28,40331–

1796Lincoln County, OKOK35,27831–

1797Austin County, TXTX33,62531–

1798Pepin County, WIWI7,51331–

1799Clay County, TNTN7,82131–

1800Hardee County, FLFL25,93231–

1801Morgan County, KYKY14,41531–

1802Turner County, GAGA8,98330–

1803Montgomery County, MSMS9,35430–

1804Greene County, GAGA21,36730–

1805McPherson County, KSKS30,06430–

1806Missoula County, MTMT123,51330–

1807Hancock County, TNTN7,07530–

1808Oconto County, WIWI40,19530–

1809Winnebago County, IAIA10,25130–

1810Winneshiek County, IAIA19,73330–

1811Emanuel County, GAGA23,14730–

1812Franklin County, WAWA102,61230–

1813Mills County, IAIA14,79330–

1814Mason County, ILIL12,41130–

1815Jackson County, TNTN12,46630–

1816Union County, IAIA11,82930–

1817Treutlen County, GAGA6,46630–

1818Curry County, NMNM46,65530–

1819Cedar County, IAIA18,35930–

1820Greensville County, VAVA11,18130–

1821Willacy County, TXTX19,97130–

1822Cheboygan County, MIMI25,79330–

1823Jackson County, ARAR16,74130–

1824Richland County, WIWI17,03630–

1825Fayette County, IAIA19,04730–

1826Concordia Parish, LALA17,83630–

1827Hawaii County, HIHI210,04330–

1828Jefferson County, KSKS18,29630–

1829Neosho County, KSKS15,63730–

1830Humphreys County, TNTN19,64630–

1831Hempstead County, ARAR19,08030–

1832Lawrence County, ARAR16,27330–

1833Montgomery County, GAGA8,63530–

1834Moniteau County, MOMO15,42830–

1835Carroll County, ARAR29,26330–

1836Hancock County, MEME57,17130–

1837Alleghany County, VAVA14,54630–

1838Fentress County, TNTN20,32229–

1839Ford County, ILIL13,21629–

1840Shelby County, ILIL20,57629–

1841Seward County, KSKS21,07329–

1842Pennington County, SDSD116,79229–

1843Southampton County, VAVA18,11029–

1844Natchitoches Parish, LALA36,08929–

1845Wolfe County, KYKY6,29829–

1846Rains County, TXTX13,54229–

1847Allen County, KSKS12,30229–

1848Hardin County, ILIL3,58829–

1849Emmet County, IAIA9,10729–

1850Todd County, KYKY12,97229–

1851Clay County, WVWV7,53829–

1852Fayette County, ILIL20,79029–

1853Bertie County, NCNC17,08629–

1854Pulaski County, ININ12,46329–

1855Heard County, GAGA12,14929–

1856Marshall County, OKOK16,25529–

1857Polk County, TXTX53,43429–

1858Logan County, ARAR21,63329–

1859Humphreys County, MSMS7,00129–

1860Marinette County, WIWI42,57429–

1861Livingston County, KYKY8,86329–

1862Hutchinson County, TXTX19,63329–

1863Washington County, FLFL26,69529–

1864Lawrence County, MSMS11,81929–

1865Murray County, OKOK13,80529–

1866De Soto Parish, LALA27,38129–

1867Ellis County, KSKS29,07529–

1868Louisa County, IAIA10,41629–

1869Cascade County, MTMT85,02929–

1870Somervell County, TXTX10,26129–

1871Ward County, NDND68,23329–

1872San Jacinto County, TXTX29,48829–

1873Henry County, MOMO22,67129–

1874Allendale County, SCSC7,35529–

1875Barbour County, ALAL24,60729–

1876Breckinridge County, KYKY21,50329–

1877Fayette County, ALAL15,87229–

1878Franklin County, NYNY46,50029–

1879Bee County, TXTX32,51529–

1880Holmes County, MSMS15,46529–

1881Noble County, OHOH14,27628–

1882Montgomery County, IAIA10,00228–

1883Latah County, IDID41,84228–

1884Oneida County, WIWI38,13128–

1885Maverick County, TXTX58,82328–

1886Clay County, ARAR14,05228–

1887Hill County, TXTX39,50328–

1888Calhoun County, WVWV5,97828–

1889Brunswick County, VAVA15,72728–

1890Juneau County, WIWI26,64928–

1891Greene County, ILIL11,31328–

1892Wilson County, TXTX56,13928–

1893Butler County, ALAL18,10028–

1894Washington County, GAGA19,45328–

1895Lanier County, GAGA10,62328–

1896Nobles County, MNMN22,33828–

1897Mesa County, COCO162,84528–

1898Crawford County, WIWI15,91028–

1899Pickett County, TNTN5,21928–

1900Twin Falls County, IDID97,53928–

1901Hamilton County, IAIA14,94428–

1902Allen Parish, LALA22,67228–

1903Fannin County, TXTX39,26528–

1904Shelby County, TXTX24,28628–

1905Asotin County, WAWA22,54528–

1906Crawford County, GAGA12,20628–

1907Yazoo County, MSMS22,94728–

1908Carlisle County, KYKY4,74728–

1909Gilchrist County, FLFL20,48828–

1910Appanoose County, IAIA12,07728–

1911Jackson Parish, LALA15,83428–

1912Johnson County, ARAR26,22528–

1913Iroquois County, ILIL26,15028–

1914Elliott County, KYKY7,26528–

1915Johnson County, GAGA9,31027–

1916Franklin County, TXTX10,99427–

1917Livingston County, MOMO14,70827–

1918Pawnee County, OKOK16,02927–

1919Henry County, ALAL18,39427–

1920Hickman County, TNTN26,21927–

1921Gates County, NCNC10,23427–

1922Twiggs County, GAGA7,59727–

1923Laramie County, WYWY102,93827–

1924Grant Parish, LALA22,07527–

1925Le Flore County, OKOK50,19627–

1926Custer County, OKOK28,17527–

1927Panola County, TXTX23,01827–

1928Nelson County, VAVA14,92027–

1929McIntosh County, OKOK19,75827–

1930Butler County, IAIA14,04927–

1931Plymouth County, IAIA25,69727–

1932Seward County, NENE18,03227–

1933Marquette County, WIWI15,92727–

1934Gasconade County, MOMO14,78427–

1935Lewis County, KYKY12,90127–

1936O'Brien County, IAIA14,22027–

1937Hancock County, ILIL16,80327–

1938Vinton County, OHOH12,64527–

1939Watonwan County, MNMN11,45927–

1940Washington County, MOMO23,81027–

1941Cass County, IAIA12,96027–

1942Gage County, NENE21,71127–

1943Randolph County, WVWV26,88227–

1944Walton County, FLFL93,28827–

1945Lincoln County, SDSD77,14527–

1946Hockley County, TXTX21,60027–

1947Bibb County, ALAL22,26227–

1948Washington County, ILIL13,56427–

1949Lunenburg County, VAVA12,05826–

1950San Benito County, CACA70,08226–

1951Iowa County, WIWI23,95126–

1952Butler County, KYKY12,52026–

1953Chickasaw County, IAIA11,66326–

1954Morrison County, MNMN34,62026–

1955Cumberland County, VAVA10,35226–

1956Palo Pinto County, TXTX30,79126–

1957Little River County, ARAR11,76326–

1958Ashley County, ARAR17,83126–

1959Cooper County, MOMO17,13626–

1960Monroe County, WVWV12,49126–

1961Marion County, TXTX9,89626–

1962Imperial County, CACA181,41126–

1963Clark County, WIWI35,05226–

1964Sabine Parish, LALA21,83426–

1965Morgan County, MOMO22,41826–

1966Beauregard Parish, LALA36,67326–

1967Lamar County, ALAL13,58726–

1968Quitman County, MSMS5,36426–

1969Gray County, TXTX20,91926–

1970Erath County, TXTX43,91126–

1971Crawford County, MOMO22,92926–

1972Lawrence County, SDSD29,45926–

1973Owen County, KYKY11,60126–

1974Hampshire County, WVWV24,10526–

1975Yalobusha County, MSMS12,37526–

1976Otter Tail County, MNMN61,04126–

1977Minidoka County, IDID22,91126–

1978Crittenden County, KYKY8,80726–

1979Owsley County, KYKY3,93226–

1980Cedar County, MOMO14,88825–

1981Braxton County, WVWV11,88525–

1982Calhoun County, MSMS12,64325–

1983Finney County, KSKS37,50525–

1984Randolph County, ARAR18,87625–

1985Lafayette County, WIWI17,47825–

1986Jerome County, IDID26,36225–

1987Oxford County, MEME60,34625–

1988Jasper County, MSMS15,78525–

1989Dooly County, GAGA11,15625–

1990York County, NENE14,56425–

1991Telfair County, GAGA11,19525–

1992Attala County, MSMS17,10025–

1993Atascosa County, TXTX53,59025–

1994Clarke County, MSMS15,10225–

1995Menifee County, KYKY6,43025–

1996Ford County, KSKS33,99325–

1997Brantley County, GAGA18,93625–

1998Iowa County, IAIA16,50425–

1999Burke County, GAGA24,40825–

2000Rappahannock County, VAVA7,43925–

SHOWING 1,501–2,000 OF 3,122

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS