Neosho County | |
|---|---|
James and Ella Truitt House in Chanute (2017) | |
Location within the U.S. state of Kansas | |
Kansas's location within the U.S. | |
| Coordinates: 37°40′57″N 95°17′51″W / 37.6825°N 95.2975°W | |
| Country | |
| State | |
| Founded | June 3, 1861 |
| Named for | Neosho River |
| Seat | Erie |
| Largest city | Chanute |
| Area | |
| • Total | 578 sq mi (1,500 km2) |
| • Land | 571 sq mi (1,480 km2) |
| • Water | 6.3 sq mi (16 km2) 1.1% |
| Population (2020) | |
| • Total | 15,904 |
| • Density | 27.9/sq mi (10.8/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional district | 2nd |
| Website | www |
Neosho County (standard abbreviation: NO) is a county in the south east of the U.S. state of Kansas. In 2020, 15,904 people lived there. The county seat is Erie.
In 1861, Neosho County was created.
The first railroad was built through Neosho County in 1870.
The U.S. Census Bureau says that the county has a total area of 578 square miles (1,500 km2). Of that, 571 square miles (1,480 km2) is land and 6.3 square miles (16 km2) (1.1%) is water.
| Historical population | |||
|---|---|---|---|
| Census | Pop. | %± | |
| 1860 | 88 | — | |
| 1870 | 10,206 | 11,497.7% | |
| 1880 | 15,121 | 48.2% | |
| 1890 | 18,561 | 22.7% | |
| 1900 | 19,254 | 3.7% | |
| 1910 | 23,754 | 23.4% | |
| 1920 | 24,000 | 1.0% | |
| 1930 | 22,665 | −5.6% | |
| 1940 | 22,210 | −2.0% | |
| 1950 | 20,348 | −8.4% | |
| 1960 | 19,455 | −4.4% | |
| 1970 | 18,812 | −3.3% | |
| 1980 | 18,967 | 0.8% | |
| 1990 | 17,035 | −10.2% | |
| 2000 | 16,997 | −0.2% | |
| 2010 | 16,512 | −2.9% | |
| 2020 | 15,904 | −3.7% | |
| U.S. Decennial Census 1790-1960 1900-1990 1990-2000 2010-2020 | |||

Neosho County is a very Republican county. However, like the rest of Southeast Kansas counties, Democrats have not done poorly.
| Year | Republican | Democratic | Third Parties |
|---|---|---|---|
| 2020 | 72.3% 4,970 | 26.1% 1,796 | 1.6% 111 |
| 2016 | 70.2% 4,431 | 23.8% 1,501 | 6.1% 382 |
| 2012 | 65.9% 4,272 | 31.6% 2,050 | 2.4% 158 |
| 2008 | 62.2% 4,473 | 35.6% 2,563 | 2.2% 156 |
| 2004 | 65.1% 4,705 | 33.5% 2,424 | 1.4% 102 |
| 2000 | 58.3% 4,014 | 37.6% 2,588 | 4.1% 284 |
| 1996 | 49.4% 3,409 | 36.6% 2,527 | 13.9% 961 |
| 1992 | 37.1% 2,926 | 35.5% 2,799 | 27.5% 2,168 |
| 1988 | 51.8% 3,739 | 47.1% 3,402 | 1.1% 81 |
| 1984 | 64.1% 4,968 | 34.6% 2,679 | 1.3% 102 |
| 1980 | 57.1% 4,613 | 36.2% 2,923 | 6.7% 541 |
| 1976 | 50.3% 4,038 | 47.9% 3,842 | 1.8% 144 |
| 1972 | 65.1% 5,034 | 33.1% 2,559 | 1.9% 145 |
| 1968 | 52.9% 3,950 | 36.5% 2,725 | 10.6% 789 |
| 1964 | 41.7% 3,458 | 57.8% 4,795 | 0.5% 43 |
| 1960 | 62.7% 5,877 | 36.8% 3,451 | 0.5% 43 |
| 1956 | 66.0% 5,886 | 33.7% 3,005 | 0.3% 29 |
| 1952 | 68.6% 6,595 | 31.1% 2,987 | 0.3% 32 |
| 1948 | 56.7% 5,072 | 42.1% 3,770 | 1.2% 105 |
| 1944 | 62.5% 5,420 | 37.3% 3,233 | 0.3% 26 |
| 1940 | 59.4% 6,556 | 40.1% 4,419 | 0.5% 56 |
| 1936 | 50.6% 5,777 | 49.1% 5,611 | 0.4% 41 |
| 1932 | 42.3% 4,212 | 56.4% 5,616 | 1.4% 137 |
| 1928 | 72.3% 6,603 | 26.9% 2,459 | 0.8% 74 |
| 1924 | 58.7% 5,106 | 26.1% 2,274 | 15.2% 1,319 |
| 1920 | 60.8% 5,150 | 37.7% 3,195 | 1.4% 122 |
| 1916 | 43.9% 4,053 | 52.9% 4,891 | 3.2% 295 |
| 1912 | 30.2% 1,580 | 38.1% 1,993 | 31.8% 1,662 |
| 1908 | 53.2% 2,929 | 43.3% 2,386 | 3.6% 196 |
| 1904 | 62.1% 3,134 | 30.3% 1,530 | 7.6% 382 |
| 1900 | 50.9% 2,424 | 47.9% 2,279 | 1.2% 56 |
| 1896 | 45.2% 2,177 | 54.0% 2,601 | 0.8% 38 |
| 1892 | 47.8% 2,000 | 52.2% 2,183 | |
| 1888 | 49.7% 2,134 | 26.6% 1,144 | 23.7% 1,019 |

37°34′N 95°17′W / 37.567°N 95.283°W