US Census Bureau · ACS 2023
Every US county ranked by total population, from largest to smallest, based on the Census Bureau ACS 5-Year Estimates.
| # | County | State | Population |
|---|---|---|---|
| 1951 | Yancey County | North Carolina | 18,676 |
| 1952 | Crawford County | Illinois | 18,588 |
| 1953 | Poweshiek County | Iowa | 18,582 |
| 1954 | Hampton County | South Carolina | 18,555 |
| 1955 | Ste. Genevieve County | Missouri | 18,551 |
| 1956 | Bosque County | Texas | 18,546 |
| 1957 | Andrews County | Texas | 18,518 |
| 1958 | Stone County | Mississippi | 18,515 |
| 1959 | Gilchrist County | Florida | 18,494 |
| 1960 | Bethel Census Area | Alaska | 18,487 |
| 1961 | Deaf Smith County | Texas | 18,487 |
| 1962 | Clay County | Mississippi | 18,462 |
| 1963 | Otero County | Colorado | 18,460 |
| 1964 | Cedar County | Iowa | 18,427 |
| 1965 | Appling County | Georgia | 18,426 |
| 1966 | Dickinson County | Kansas | 18,423 |
| 1967 | McDowell County | West Virginia | 18,413 |
| 1968 | Jefferson County | Kansas | 18,391 |
| 1969 | Burleson County | Texas | 18,327 |
| 1970 | Concordia Parish | Louisiana | 18,325 |
| 1971 | San Juan County | Washington | 18,266 |
| 1972 | Berrien County | Georgia | 18,257 |
| 1973 | Sawyer County | Wisconsin | 18,243 |
| 1974 | King William County | Virginia | 18,232 |
| 1975 | Covington County | Mississippi | 18,226 |
Data from the US Census Bureau American Community Survey (ACS) 5-Year Estimates, 2019–2023. Rankings include all counties, county equivalents, and independent cities in the United States. Click any county to see its full profile.