Largest counties outside Alaska
County equivalents in the other 49 states, the District of Columbia, and Puerto Rico, ordered by land area. This view separates Alaska’s exceptionally large statistical regions from the rest of the dataset.
Ranks 1901–2000
3,192 county equivalents · page 20 of 32
What this part of the ranking shows
This page runs from Warren County, Kentucky at 541.749 mi² of land area to Washington County, Indiana at 513.689 mi² of land area. The 100 entries represent 35 state-level jurisdictions. North Carolina has the most entries on this page (8).
Rank numbers continue across pages and describe the full selected ranking. They are not state ranks. Start at rank 1 for the leading entries, or open a county profile for its state rank and median comparisons.
| Rank | County / equivalent | State | Land mi² | Total mi² | Water share |
|---|---|---|---|---|---|
| 1901 | Warren County | Kentucky | 541.7 | 547.6 | 1.1% |
| 1902 | Botetourt County | Virginia | 541.3 | 546 | 0.9% |
| 1903 | Dallas County | Missouri | 541 | 542.8 | 0.3% |
| 1904 | Dorchester County | Maryland | 540.8 | 983 | 45% |
| 1905 | Ouray County | Colorado | 540.7 | 542.2 | 0.3% |
| 1906 | Nash County | North Carolina | 540.4 | 542.8 | 0.4% |
| 1907 | Keweenaw County | Michigan | 540.1 | 5,966.3 | 90.9% |
| 1908 | Phelps County | Nebraska | 539.8 | 540.4 | 0.1% |
| 1909 | Harvey County | Kansas | 539.8 | 540.7 | 0.2% |
| 1910 | McDonald County | Missouri | 539.4 | 539.6 | 0% |
| 1911 | Boyd County | Nebraska | 539.4 | 544.5 | 0.9% |
| 1912 | Mason County | Illinois | 539.4 | 563.6 | 4.3% |
| 1913 | Montgomery County | Tennessee | 539.2 | 543.8 | 0.9% |
| 1914 | Cleveland County | Oklahoma | 538.9 | 557.9 | 3.4% |
| 1915 | Oceana County | Michigan | 538.1 | 1,306 | 58.8% |
| 1916 | Sullivan County | New Hampshire | 537.9 | 552.1 | 2.6% |
| 1917 | Harmon County | Oklahoma | 537.3 | 538.7 | 0.3% |
| 1918 | Chittenden County | Vermont | 536.9 | 620.7 | 13.5% |
| 1919 | Lincoln County | Minnesota | 536.8 | 548.4 | 2.1% |
| 1920 | Northampton County | North Carolina | 536.7 | 550.6 | 2.5% |
| 1921 | Wadena County | Minnesota | 536.3 | 543.3 | 1.3% |
| 1922 | Scott County | Virginia | 535.8 | 539 | 0.6% |
| 1923 | Ringgold County | Iowa | 535.5 | 538.9 | 0.6% |
| 1924 | Etowah County | Alabama | 535.1 | 548.6 | 2.5% |
| 1925 | Montgomery County | Missouri | 535 | 540.5 | 1% |
| 1926 | Page County | Iowa | 534.9 | 535.5 | 0.1% |
| 1927 | McDowell County | West Virginia | 533.5 | 534.9 | 0.3% |
| 1928 | Haywood County | Tennessee | 533.1 | 534.1 | 0.2% |
| 1929 | Itawamba County | Mississippi | 532.8 | 540.5 | 1.4% |
| 1930 | Surry County | North Carolina | 532.6 | 536.7 | 0.7% |
| 1931 | Jefferson County | Kansas | 532.6 | 556.7 | 4.3% |
| 1932 | Franklin County | Ohio | 532.4 | 543.6 | 2.1% |
| 1933 | Livingston County | Missouri | 532.3 | 538.6 | 1.2% |
| 1934 | Scott County | Tennessee | 532.3 | 533.2 | 0.2% |
| 1935 | Belmont County | Ohio | 532.2 | 541.3 | 1.7% |
| 1936 | Western Connecticut Planning Region | Connecticut | 532.1 | 648 | 17.9% |
| 1937 | Granville County | North Carolina | 532 | 537.6 | 1% |
| 1938 | Columbiana County | Ohio | 531.9 | 534.7 | 0.5% |
| 1939 | Taylor County | Iowa | 531.9 | 534.7 | 0.5% |
| 1940 | Decatur County | Iowa | 531.9 | 533.5 | 0.3% |
| 1941 | Anson County | North Carolina | 531.5 | 537.1 | 1% |
| 1942 | Kosciusko County | Indiana | 531.4 | 554.4 | 4.1% |
| 1943 | Hancock County | Ohio | 531.3 | 533.7 | 0.4% |
| 1944 | Little River County | Arkansas | 531.3 | 563.3 | 5.7% |
| 1945 | Sebastian County | Arkansas | 531.2 | 544.5 | 2.4% |
| 1946 | Shiawassee County | Michigan | 531.1 | 540.9 | 1.8% |
| 1947 | Humphreys County | Tennessee | 530.8 | 556.7 | 4.7% |
| 1948 | San Augustine County | Texas | 530.7 | 592.3 | 10.4% |
| 1949 | Brown County | Wisconsin | 530.1 | 615.7 | 13.9% |
| 1950 | Caldwell Parish | Louisiana | 529.8 | 541 | 2.1% |
| 1951 | Lafayette County | Arkansas | 529.5 | 546.1 | 3% |
| 1952 | Sumner County | Tennessee | 529.5 | 543.2 | 2.5% |
| 1953 | Bath County | Virginia | 529.2 | 534.6 | 1% |
| 1954 | Dodge County | Nebraska | 528.8 | 543 | 2.6% |
| 1955 | Swain County | North Carolina | 527.7 | 540.2 | 2.3% |
| 1956 | Woodford County | Illinois | 527.6 | 542.9 | 2.8% |
| 1957 | Caroline County | Virginia | 527.4 | 537 | 1.8% |
| 1958 | Hampshire County | Massachusetts | 527.2 | 545.2 | 3.3% |
| 1959 | Maries County | Missouri | 526.9 | 529.9 | 0.6% |
| 1960 | Fulton County | Georgia | 526.9 | 534.8 | 1.5% |
| 1961 | Jefferson County | Georgia | 526.6 | 529.7 | 0.6% |
| 1962 | Jerauld County | South Dakota | 526.1 | 532.6 | 1.2% |
| 1963 | Knox County | Ohio | 525.5 | 529.6 | 0.8% |
| 1964 | Wayne County | Iowa | 525.5 | 527.1 | 0.3% |
| 1965 | Blair County | Pennsylvania | 525.1 | 526.3 | 0.2% |
| 1966 | Dauphin County | Pennsylvania | 524.9 | 558.1 | 6% |
| 1967 | Mecklenburg County | North Carolina | 523.6 | 546.1 | 4.1% |
| 1968 | Wabasha County | Minnesota | 523 | 549.5 | 4.8% |
| 1969 | Albany County | New York | 522.9 | 533.3 | 2% |
| 1970 | Niagara County | New York | 522.3 | 1,139.6 | 54.2% |
| 1971 | Guernsey County | Ohio | 522.2 | 528.3 | 1.1% |
| 1972 | Hood River County | Oregon | 522.2 | 533.4 | 2.1% |
| 1973 | Morgan County | Tennessee | 522.2 | 522.5 | 0.1% |
| 1974 | Kanabec County | Minnesota | 521.6 | 533.7 | 2.3% |
| 1975 | Yankton County | South Dakota | 521.2 | 532.3 | 2.1% |
| 1976 | Marin County | California | 520.1 | 828.2 | 37.2% |
| 1977 | Henderson County | Tennessee | 520 | 525.9 | 1.1% |
| 1978 | Jefferson County | Mississippi | 519.9 | 527.3 | 1.4% |
| 1979 | Roscommon County | Michigan | 519.9 | 580 | 10.4% |
| 1980 | Moody County | South Dakota | 519.4 | 520.8 | 0.3% |
| 1981 | Kane County | Illinois | 519.4 | 524.2 | 0.9% |
| 1982 | Gasconade County | Missouri | 519 | 526 | 1.3% |
| 1983 | Tazewell County | Virginia | 518.8 | 519.9 | 0.2% |
| 1984 | Tioga County | New York | 518.8 | 523 | 0.8% |
| 1985 | Adams County | Pennsylvania | 518.6 | 521.7 | 0.6% |
| 1986 | Sussex County | New Jersey | 518.5 | 535.4 | 3.2% |
| 1987 | Midland County | Michigan | 518.4 | 528.1 | 1.8% |
| 1988 | Lee County | Iowa | 517.6 | 538.9 | 4% |
| 1989 | Putnam County | Missouri | 517.3 | 519.6 | 0.4% |
| 1990 | Coal County | Oklahoma | 516.8 | 521.4 | 0.9% |
| 1991 | Liberty County | Georgia | 516.5 | 602.5 | 14.3% |
| 1992 | Gadsden County | Florida | 516.4 | 528.5 | 2.3% |
| 1993 | Kearney County | Nebraska | 516.2 | 516.3 | 0% |
| 1994 | Knox County | Indiana | 515.8 | 523.9 | 1.5% |
| 1995 | Loudoun County | Virginia | 515.7 | 521.3 | 1.1% |
| 1996 | Macon County | North Carolina | 515.5 | 519.6 | 0.8% |
| 1997 | Otsego County | Michigan | 515 | 526.2 | 2.1% |
| 1998 | Hamilton County | Florida | 514.3 | 519.1 | 0.9% |
| 1999 | Love County | Oklahoma | 513.9 | 532.3 | 3.4% |
| 2000 | Washington County | Indiana | 513.7 | 516.6 | 0.6% |
Read the differences behind ranks 1901–2000
The median land area among these 100 entries is 529.621 mi². The first and last entries span 28.06 square miles. This median describes the entries on this page, not the full national dataset. Pagination is a browsing boundary, not a distinct geographic region.
A difference of one position means only that two entries are adjacent in this ordering. Their actual size difference can be tiny or substantial. Compare the measurements as well as the rank, and use the original square-meter fields when rounded labels appear equal.
Where the entries on this page are located
- North Carolina8 entries · 8% of this page
- Missouri7 entries · 7% of this page
- Tennessee7 entries · 7% of this page
- Iowa6 entries · 6% of this page
- Michigan6 entries · 6% of this page
- Ohio6 entries · 6% of this page
The remaining 29 jurisdictions contribute 60 entries. The list above shows the six most represented, with alphabetical ordering when counts tie.
These counts describe representation in this slice of the ranking. They do not measure a state’s share of national land or population. Compare the first and last county equivalents on this page to inspect land, water, and total area separately.
Read the geographic explanation behind this ranking, or return to the ranking overview for the national distribution and guidance on selecting a measurement.
Land rankings use original ALAND square meters; total-area rankings use ALAND + AWATER. Exact ties use ascending GEOID. Displayed square-mile values are rounded. Read the methodology.