Jackson County | |
|---|---|
Jackson County Courthouse (2023) | |
Location within the U.S. state of Kansas | |
Kansas's location within the U.S. | |
| Coordinates: 39°24′N 95°50′W / 39.400°N 95.833°W | |
| Country | |
| State | |
| Founded | February 11, 1859 |
| Named for | Andrew Jackson |
| Seat | Holton |
| Largest city | Holton |
| Area | |
| • Total | 658 sq mi (1,700 km2) |
| • Land | 656 sq mi (1,700 km2) |
| • Water | 1.8 sq mi (5 km2) 0.3% |
| Population (2020) | |
| • Total | 13,232 |
| • Density | 20.2/sq mi (7.8/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional districts | 1st, 2nd |
| Website | jacksoncountyks.com |
Jackson County (county code JA) is a county in the U.S. state of Kansas. In 2020, 13,232 people lived there. Its county seat is Holton. Holton is also the biggest city in Jackson County. The county was first named Calhoun County. This was named after pro-slavery South Carolina Senator John C. Calhoun. The county was renamed in 1859 for President Andrew Jackson. The Prairie Band Potawatomi Indian Reservation is in the county, and it makes up about 18.5% of the county's area.
The U.S. Census Bureau says that the county has an area of 658 square miles (1,700 km2). Of that, 656 square miles (1,700 km2) is land and 1.8 square miles (4.7 km2) (0.3%) is water.
| Historical population | |||
|---|---|---|---|
| Census | Pop. | %± | |
| 1860 | 1,936 | — | |
| 1870 | 6,053 | 212.7% | |
| 1880 | 10,718 | 77.1% | |
| 1890 | 14,626 | 36.5% | |
| 1900 | 17,117 | 17.0% | |
| 1910 | 16,861 | −1.5% | |
| 1920 | 15,495 | −8.1% | |
| 1930 | 14,776 | −4.6% | |
| 1940 | 13,382 | −9.4% | |
| 1950 | 11,098 | −17.1% | |
| 1960 | 10,309 | −7.1% | |
| 1970 | 10,342 | 0.3% | |
| 1980 | 11,644 | 12.6% | |
| 1990 | 11,525 | −1.0% | |
| 2000 | 12,657 | 9.8% | |
| 2010 | 13,462 | 6.4% | |
| 2020 | 13,232 | −1.7% | |
| U.S. Decennial Census 1790-1960 1900-1990 1990-2000 2010-2020 | |||

Jackson County is included in the Topeka, KS Metropolitan Statistical Area.
Jackson County has supported the Republican Party candidate in every presidential election from 1936 onward. Democratic Party candidates for president have only won the county twice since 1888, in 1912 & 1932.
| Year | Republican | Democratic | Third Parties |
|---|---|---|---|
| 2020 | 68.6% 4,517 | 28.6% 1,881 | 2.8% 186 |
| 2016 | 67.7% 3,939 | 26.0% 1,512 | 6.3% 367 |
| 2012 | 63.4% 3,527 | 34.2% 1,901 | 2.4% 133 |
| 2008 | 61.0% 3,811 | 36.9% 2,308 | 2.1% 134 |
| 2004 | 63.4% 3,730 | 35.1% 2,064 | 1.6% 94 |
| 2000 | 57.2% 3,001 | 37.9% 1,990 | 4.9% 259 |
| 1996 | 49.1% 2,682 | 36.3% 1,983 | 14.6% 795 |
| 1992 | 35.5% 1,970 | 29.5% 1,639 | 35.0% 1,943 |
| 1988 | 54.4% 2,759 | 44.6% 2,261 | 1.1% 55 |
| 1984 | 66.9% 3,466 | 32.2% 1,667 | 0.9% 46 |
| 1980 | 63.3% 3,211 | 30.3% 1,537 | 6.4% 322 |
| 1976 | 54.9% 2,725 | 42.9% 2,129 | 2.3% 114 |
| 1972 | 72.0% 3,363 | 25.5% 1,191 | 2.5% 118 |
| 1968 | 60.7% 2,678 | 27.8% 1,225 | 11.5% 508 |
| 1964 | 53.8% 2,334 | 45.5% 1,971 | 0.7% 31 |
| 1960 | 67.5% 3,279 | 32.2% 1,567 | 0.3% 15 |
| 1956 | 71.7% 3,469 | 28.0% 1,356 | 0.3% 12 |
| 1952 | 75.3% 4,161 | 24.6% 1,358 | 0.1% 8 |
| 1948 | 61.3% 3,166 | 37.9% 1,958 | 0.8% 41 |
| 1944 | 69.7% 3,665 | 29.8% 1,567 | 0.5% 25 |
| 1940 | 63.9% 4,306 | 35.6% 2,397 | 0.5% 34 |
| 1936 | 52.9% 3,680 | 46.9% 3,265 | 0.2% 14 |
| 1932 | 48.1% 3,271 | 50.6% 3,442 | 1.3% 86 |
| 1928 | 74.6% 4,811 | 24.8% 1,602 | 0.6% 40 |
| 1924 | 71.1% 4,391 | 23.0% 1,419 | 5.9% 367 |
| 1920 | 70.2% 3,753 | 29.2% 1,562 | 0.6% 31 |
| 1916 | 53.4% 3,451 | 45.1% 2,914 | 1.5% 94 |
| 1912 | 26.2% 1,027 | 39.9% 1,565 | 33.9% 1,331 |
| 1908 | 58.7% 2,201 | 39.8% 1,494 | 1.5% 58 |
| 1904 | 70.0% 2,547 | 25.3% 919 | 4.7% 171 |
| 1900 | 56.2% 2,291 | 42.8% 1,745 | 1.1% 43 |
| 1896 | 52.1% 2,158 | 47.2% 1,955 | 0.8% 33 |
| 1892 | 52.9% 1,825 | 47.1% 1,623 | |
| 1888 | 59.9% 1,979 | 36.9% 1,220 | 3.2% 105 |
