Anderson County | |
|---|---|
Anderson County Courthouse in Garnett (2016) | |
Location within the U.S. state of Kansas | |
Kansas's location within the U.S. | |
| Coordinates: 38°12′N 95°17′W / 38.200°N 95.283°W | |
| Country | |
| State | |
| Founded | August 25, 1855 |
| Named for | Joseph C. Anderson |
| Seat | Garnett |
| Largest city | Garnett |
| Area | |
| • Total | 584 sq mi (1,510 km2) |
| • Land | 580 sq mi (1,500 km2) |
| • Water | 7.1 sq mi (18 km2) 0.7% |
| Population (2020) | |
| • Total | 7,836 |
| • Density | 13.5/sq mi (5.2/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Area code | 785 |
| Congressional district | 3rd |
| Website | AndersonCountyKS.org |
Anderson County (county code AN) is a county in East Central Kansas, in the Central United States. In 2020, 7,836 people lived there. Its county seat is Garnett. Garnett is also the biggest city in Anderson County.
In 1855, Anderson County was created. It was named after Joseph C. Anderson.
In 1887, the first photograph of a tornado was taken in Anderson county.
The U.S. Census Bureau says that the county has a total area of 584 square miles (1,510 km2). Of that, 580 square miles (1,500 km2) is land and 4.1 square miles (11 km2) (0.7%) is water.
Sources: National Atlas, U.S. Census Bureau
| Historical population | |||
|---|---|---|---|
| Census | Pop. | %± | |
| 1860 | 2,400 | — | |
| 1870 | 5,220 | 117.5% | |
| 1880 | 9,057 | 73.5% | |
| 1890 | 14,203 | 56.8% | |
| 1900 | 13,938 | −1.9% | |
| 1910 | 13,829 | −0.8% | |
| 1920 | 12,986 | −6.1% | |
| 1930 | 13,355 | 2.8% | |
| 1940 | 11,658 | −12.7% | |
| 1950 | 10,267 | −11.9% | |
| 1960 | 9,035 | −12.0% | |
| 1970 | 8,501 | −5.9% | |
| 1980 | 8,749 | 2.9% | |
| 1990 | 7,803 | −10.8% | |
| 2000 | 8,110 | 3.9% | |
| 2010 | 8,102 | −0.1% | |
| 2020 | 7,836 | −3.3% | |
| U.S. Decennial Census 1790-1960 1900-1990 1990-2000 2010-2020 | |||

| Year | Republican | Democratic | Third Parties |
|---|---|---|---|
| 2024 | 78.9% 2,998 | 19.3% 732 | 1.9% 72 |
| 2020 | 77.2% 2,929 | 20.6% 782 | 2.1% 81 |
| 2016 | 72.7% 2,435 | 20.1% 672 | 7.3% 243 |
| 2012 | 68.7% 2,276 | 28.5% 944 | 2.9% 95 |
| 2008 | 65.1% 2,362 | 32.4% 1,175 | 2.5% 89 |
| 2004 | 64.7% 2,500 | 33.5% 1,295 | 1.8% 68 |
| 2000 | 57.0% 1,984 | 38.2% 1,327 | 4.8% 167 |
| 1996 | 46.7% 1,636 | 39.0% 1,367 | 14.4% 503 |
| 1992 | 33.0% 1,218 | 32.0% 1,178 | 35.0% 1,291 |
| 1988 | 54.3% 1,781 | 44.7% 1,466 | 1.1% 36 |
| 1984 | 67.1% 2,462 | 31.5% 1,155 | 1.4% 50 |
| 1980 | 62.6% 2,363 | 31.0% 1,170 | 6.4% 240 |
| 1976 | 48.7% 1,872 | 49.1% 1,886 | 2.2% 86 |
| 1972 | 70.9% 2,718 | 27.0% 1,035 | 2.2% 83 |
| 1968 | 56.8% 2,168 | 32.6% 1,242 | 10.6% 404 |
| 1964 | 44.8% 1,692 | 54.4% 2,058 | 0.8% 30 |
| 1960 | 62.4% 2,665 | 37.2% 1,589 | 0.5% 20 |
| 1956 | 69.0% 3,080 | 30.7% 1,369 | 0.3% 14 |
| 1952 | 73.2% 3,672 | 26.6% 1,333 | 0.3% 13 |
| 1948 | 56.9% 2,787 | 42.3% 2,071 | 0.9% 44 |
| 1944 | 64.9% 3,060 | 35.0% 1,649 | 0.2% 7 |
| 1940 | 64.4% 3,886 | 35.0% 2,114 | 0.6% 33 |
| 1936 | 54.6% 3,452 | 43.8% 2,767 | 1.6% 99 |
| 1932 | 39.6% 2,408 | 58.9% 3,580 | 1.5% 88 |
| 1928 | 64.9% 3,562 | 34.2% 1,874 | 0.9% 49 |
| 1924 | 61.0% 3,101 | 27.9% 1,421 | 11.1% 563 |
| 1920 | 62.8% 3,068 | 35.0% 1,708 | 2.2% 108 |
| 1916 | 44.0% 2,386 | 50.5% 2,739 | 5.6% 304 |
| 1912 | 19.9% 618 | 43.9% 1,365 | 36.2% 1,125 |
| 1908 | 51.3% 1,722 | 45.0% 1,512 | 3.8% 126 |
| 1904 | 58.3% 1,891 | 32.1% 1,043 | 9.6% 312 |
| 1900 | 50.4% 1,846 | 48.0% 1,757 | 1.6% 60 |
| 1896 | 47.6% 1,780 | 50.5% 1,890 | 1.9% 72 |
| 1892 | 51.1% 1,638 | 48.9% 1,570 | |
| 1888 | 55.1% 1,843 | 28.7% 960 | 16.2% 540 |
