Comanche County | |
|---|---|
Comanche County Museum in Coldwater (2010) | |
Location within the U.S. state of Kansas | |
Kansas's location within the U.S. | |
| Coordinates: 37°11′N 99°16′W / 37.183°N 99.267°W | |
| Country | |
| State | |
| Founded | February 26, 1867 |
| Named for | Comanche Native Americans |
| Seat | Coldwater |
| Largest city | Coldwater |
| Area | |
| • Total | 790 sq mi (2,000 km2) |
| • Land | 788 sq mi (2,040 km2) |
| • Water | 1.4 sq mi (4 km2) 0.2% |
| Population (2020) | |
| • Total | 1,689 |
| • Density | 2.1/sq mi (0.8/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Area code | 620 |
| Congressional district | 4th |
| Website | comanchecoks.org |
Comanche County (county code CM) is a county in the U.S. state of Kansas. In 2020, 1,689 people lived there. Its county seat is Coldwater. Coldwater is also the biggest city in Comanche County. Comanche County is named after the Comanche Native Americans.
The U.S. Census Bureau says that the county has a total area of 790 square miles (2,000 km2). Of that, 788 square miles (2,040 km2) is land and 1.4 square miles (3.6 km2) (0.2%) is water.

| Historical population | |||
|---|---|---|---|
| Census | Pop. | %± | |
| 1880 | 372 | — | |
| 1890 | 2,549 | 585.2% | |
| 1900 | 1,619 | −36.5% | |
| 1910 | 3,281 | 102.7% | |
| 1920 | 5,302 | 61.6% | |
| 1930 | 5,238 | −1.2% | |
| 1940 | 4,412 | −15.8% | |
| 1950 | 3,888 | −11.9% | |
| 1960 | 3,271 | −15.9% | |
| 1970 | 2,702 | −17.4% | |
| 1980 | 2,554 | −5.5% | |
| 1990 | 2,313 | −9.4% | |
| 2000 | 1,967 | −15.0% | |
| 2010 | 1,891 | −3.9% | |
| 2020 | 1,689 | −10.7% | |
| U.S. Decennial Census 1790–1960 1900–1990 1990–2000 2010–2020 | |||
| Year | Republican | Democratic | Third Parties |
|---|---|---|---|
| 2020 | 83.2% 762 | 13.8% 126 | 3.1% 28 |
| 2016 | 82.5% 715 | 11.8% 102 | 5.8% 50 |
| 2012 | 82.7% 767 | 15.4% 143 | 1.9% 18 |
| 2008 | 78.5% 765 | 19.9% 194 | 1.5% 15 |
| 2004 | 78.5% 770 | 20.4% 200 | 1.1% 11 |
| 2000 | 75.6% 760 | 21.0% 211 | 3.5% 35 |
| 1996 | 61.3% 691 | 26.4% 298 | 12.2% 138 |
| 1992 | 49.5% 636 | 25.3% 325 | 25.2% 324 |
| 1988 | 65.7% 738 | 33.4% 375 | 0.9% 10 |
| 1984 | 76.8% 993 | 22.0% 285 | 1.2% 15 |
| 1980 | 65.5% 877 | 29.3% 393 | 5.2% 70 |
| 1976 | 52.7% 719 | 46.2% 630 | 1.1% 15 |
| 1972 | 77.2% 1,052 | 20.6% 281 | 2.2% 30 |
| 1968 | 62.7% 906 | 31.2% 451 | 6.2% 89 |
| 1964 | 45.5% 694 | 53.7% 818 | 0.8% 12 |
| 1960 | 71.9% 1,187 | 27.9% 460 | 0.3% 5 |
| 1956 | 72.4% 1,238 | 27.0% 461 | 0.6% 11 |
| 1952 | 79.0% 1,443 | 20.5% 374 | 0.6% 10 |
| 1948 | 61.9% 1,077 | 37.4% 650 | 0.8% 13 |
| 1944 | 61.5% 1,048 | 37.7% 642 | 0.9% 15 |
| 1940 | 59.5% 1,322 | 39.6% 880 | 0.9% 20 |
| 1936 | 39.4% 932 | 60.4% 1,428 | 0.1% 3 |
| 1932 | 43.9% 945 | 54.6% 1,175 | 1.5% 32 |
| 1928 | 80.0% 1,554 | 19.8% 385 | 0.2% 4 |
| 1924 | 60.3% 1,049 | 24.8% 432 | 14.9% 260 |
| 1920 | 63.1% 1,121 | 34.4% 612 | 2.5% 45 |
| 1916 | 38.6% 732 | 50.7% 963 | 10.8% 204 |
| 1912 | 13.1% 148 | 33.3% 377 | 53.7% 609 |
| 1908 | 59.7% 392 | 37.3% 245 | 3.0% 20 |
| 1904 | 63.4% 272 | 30.1% 129 | 6.5% 28 |
| 1900 | 54.9% 249 | 42.7% 194 | 2.4% 11 |
| 1896 | 44.9% 142 | 54.4% 172 | 0.6% 2 |
| 1892 | 45.5% 259 | 54.5% 310 | |
| 1888 | 50.7% 490 | 39.7% 384 | 9.6% 93 |
