Largest counties by population
Rank US counties and county equivalents by resident population, not land area.
U.S. Census Bureau Population EstimatesPeriod: July 1, 2024–July 1, 2025 · Vintage 2025Retrieved 2026-10-05T08:10:35+00:00
July 1 resident population estimates from a single Census vintage. Counties are ranked by population, not land area. County equivalents include independent cities and other Census county-equivalent areas.
Ranks are competition ranks computed across the full filtered set.
| Rank | Name | State | Population | Growth |
|---|---|---|---|---|
| 2051 | Nottoway County | Virginia | 15,796 | 0.7% |
| 2052 | Kingfisher County | Oklahoma | 15,795 | 0.8% |
| 2053 | Floyd County | Virginia | 15,789 | 0.5% |
| 2054 | Fleming County | Kentucky | 15,787 | 0.9% |
| 2055 | Jasper County | Mississippi | 15,785 | -0.5% |
| 2056 | Brown County | Indiana | 15,777 | 1.0% |
| 2057 | Lawrence County | Kentucky | 15,765 | -0.4% |
| 2058 | Sevier County | Arkansas | 15,758 | -0.6% |
| 2059 | Lee County | South Carolina | 15,730 | -0.9% |
| 2060 | Brunswick County | Virginia | 15,727 | -0.2% |
| 2061 | Trinity County | California | 15,720 | 0.1% |
| 2062 | Osage County | Kansas | 15,693 | -0.3% |
| 2063 | Neosho County | Kansas | 15,637 | 0.0% |
| 2064 | Clarke County | Virginia | 15,609 | -0.1% |
| 2065 | Vermillion County | Indiana | 15,488 | -0.3% |
| 2066 | Holmes County | Mississippi | 15,465 | -1.1% |
| 2067 | Moniteau County | Missouri | 15,428 | 0.0% |
| 2068 | Carroll County | Illinois | 15,419 | -0.3% |
| 2069 | Barbour County | West Virginia | 15,414 | 0.5% |
| 2070 | Jackson County | Texas | 15,393 | 0.2% |
| 2071 | Sibley County | Minnesota | 15,356 | 0.4% |
| 2072 | Tipton County | Indiana | 15,319 | -0.3% |
| 2073 | Cannon County | Tennessee | 15,296 | 0.9% |
| 2074 | Jefferson County | Iowa | 15,291 | -0.7% |
| 2075 | Missaukee County | Michigan | 15,274 | 0.5% |
| 2076 | Redwood County | Minnesota | 15,265 | 0.2% |
| 2077 | Roseau County | Minnesota | 15,246 | 0.0% |
| 2078 | Grayson County | Virginia | 15,230 | -0.7% |
| 2079 | Mercer County | Illinois | 15,229 | -0.4% |
| 2080 | Jeff Davis County | Georgia | 15,219 | -0.4% |
| 2080 | Richland County | Illinois | 15,219 | -1.0% |
| 2082 | Hale County | Alabama | 15,194 | 0.3% |
| 2083 | McKenzie County | North Dakota | 15,192 | 2.7% |
| 2084 | Macon County | Missouri | 15,190 | 0.0% |
| 2085 | Larue County | Kentucky | 15,184 | 0.2% |
| 2086 | Falls Church city | Virginia | 15,159 | 0.8% |
| 2087 | LaSalle Parish | Louisiana | 15,154 | -0.1% |
| 2088 | West Feliciana Parish | Louisiana | 15,134 | -0.4% |
| 2089 | De Witt County | Illinois | 15,118 | -0.8% |
| 2090 | Clark County | Illinois | 15,114 | -0.2% |
| 2091 | Clarke County | Mississippi | 15,102 | -0.7% |
| 2092 | New Madrid County | Missouri | 15,086 | -1.3% |
| 2093 | Arenac County | Michigan | 15,068 | 0.1% |
| 2094 | Mitchell County | North Carolina | 15,062 | -0.5% |
| 2095 | Clay County | South Dakota | 15,031 | -1.0% |
| 2096 | Karnes County | Texas | 15,018 | 0.0% |
| 2097 | Jefferson County | Georgia | 15,011 | -1.0% |
| 2098 | Saline County | Nebraska | 14,996 | 0.1% |
| 2099 | Winn Parish | Louisiana | 14,961 | 1.3% |
| 2100 | Hamilton County | Iowa | 14,944 | -0.4% |
3144 ranked entries.