Marion County | |
---|---|
![]() Marion County Courthouse | |
![]() Location within the U.S. state of Ohio | |
![]() Ohio's location within the U.S. | |
Coordinates: 40°35′N 83°10′W / 40.59°N 83.16°W | |
Country | ![]() |
State | ![]() |
Founded | May 1, 1824 |
Named for | Francis Marion |
Seat | Marion |
Largest city | Marion |
Area | |
• Total | 404 sq mi (1,050 km2) |
• Land | 404 sq mi (1,050 km2) |
• Water | 0.4 sq mi (1 km2) 0.1% |
Population (2020) | |
• Total | 65,359 |
• Density | 160/sq mi (62/km2) |
Time zone | UTC−5 (Eastern) |
• Summer (DST) | UTC−4 (EDT) |
Congressional district | 4th |
Website | www |
Marion County is a county in the U.S. state of Ohio. In 2020, 65,359 people lived there.[1] The county seat is Marion.[2]
The county was founded on May 1, 1824[3] and is named for General Francis "The Swamp Fox" Marion, a South Carolinian officer in the Revolutionary War.[4]
The U.S. Census Bureau says that the county has a total area of 404 square miles (1,050 km2). Of that 404 square miles (1,050 km2) is land and 0.4 square miles (1.0 km2) (0.1%) is water.[5] It is the fifth-smallest county in Ohio by total area.
Historical population | |||
---|---|---|---|
Census | Pop. | %± | |
1830 | 6,551 | — | |
1840 | 14,765 | 125.4% | |
1850 | 12,618 | −14.5% | |
1860 | 15,490 | 22.8% | |
1870 | 16,184 | 4.5% | |
1880 | 20,565 | 27.1% | |
1890 | 24,727 | 20.2% | |
1900 | 28,678 | 16.0% | |
1910 | 33,971 | 18.5% | |
1920 | 42,004 | 23.6% | |
1930 | 45,420 | 8.1% | |
1940 | 44,898 | −1.1% | |
1950 | 49,959 | 11.3% | |
1960 | 60,221 | 20.5% | |
1970 | 64,724 | 7.5% | |
1980 | 67,974 | 5.0% | |
1990 | 64,274 | −5.4% | |
2000 | 66,217 | 3.0% | |
2010 | 66,501 | 0.4% | |
2020 | 65,359 | −1.7% | |
U.S. Decennial Census[6] 1790-1960[7] 1900-1990[8] 1990-2000[9] 2010-2020[1] |
The 2020 United States Census says that there were 65,359 people, 24,932 households, and 16,035 families living in the county.[1][10]
The 2010 United States Census says that there were 66,501 people, 24,691 households, and 16,837 families living in the county.[11]