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Linn County
Linn County
County
	Linn County Courthouse in Mound City (2020)
	Location within the U.S. state of Kansas
	Kansas's location within the U.S.
	Coordinates: 38°13′00″N 94°51′00″W / 38.2167°N 94.85°W
Country	United States
State	Kansas
Founded	February 26, 1867
Named for	Lewis F. Linn
Seat	Mound City
Largest city	Pleasanton
Area
• Total	606 sq mi (1,570 km2)
• Land	594 sq mi (1,540 km2)
• Water	12 sq mi (30 km2) 2.0%
Population (2020)
• Total	9,591
• Estimate (2021)	9,747
• Density	16.1/sq mi (6.2/km2)
Time zone	UTC−6 (Central)
• Summer (DST)	UTC−5 (CDT)
Congressional district	2nd
Website	LinnCountyKS.com

Linn County is a county in the U.S. state of Kansas, located in along the eastern edge of Kansas, and is part of the Kansas City metropolitan area.^[3] Its county seat is Mound City,^[4] and its most populous city is Pleasanton. As of the 2020 census, the county population was 9,591.^[1] The county was named for Lewis Linn, a U.S. Senator from Missouri.^[5]^[6]

History

Early history

For many millennia, the Great Plains of North America was inhabited by nomadic Native Americans. From the 16th century to 18th century, the Kingdom of France claimed ownership of large parts of North America. In 1762, after the French and Indian War, France secretly ceded New France to Spain, per the Treaty of Fontainebleau.

19th century

In 1802, Spain returned most of the land to France, but keeping title to about 7,500 square miles. In 1803, most of the land for modern day Kansas was acquired by the United States from France as part of the 828,000 square mile Louisiana Purchase for 2.83 cents per acre.

Explorers in the early 19th century came across abandoned mining sites along a creek south of the Marais des Cygnes river. The background of these early miners remains a mystery; but, it inspired early residents of the region to name this waterway "Mine Creek."^[7]

Geography

According to the U.S. Census Bureau, the county has a total area of 606 square miles (1,570 km²), of which 594 square miles (1,540 km²) is land and 12 square miles (31 km²) (2.0%) is water.^[8]

Adjacent counties

Miami County (north)
Bates County, Missouri (east)
Vernon County, Missouri (southeast)
Bourbon County (south)
Allen County (southwest)
Anderson County (west)
Franklin County (northwest)

National protected area

Marais des Cygnes National Wildlife Refuge

Demographics

Historical population
Census	Pop.	Note	%±
1860	6,336		—
1870	12,174		92.1%
1880	15,298		25.7%
1890	17,215		12.5%
1900	16,689		−3.1%
1910	14,735		−11.7%
1920	13,815		−6.2%
1930	13,534		−2.0%
1940	11,969		−11.6%
1950	10,053		−16.0%
1960	8,274		−17.7%
1970	7,770		−6.1%
1980	8,234		6.0%
1990	8,254		0.2%
2000	9,570		15.9%
2010	9,656		0.9%
2020	9,591		−0.7%
2023 (est.)	9,860	^[9]	2.8%
U.S. Decennial Census^[10] 1790-1960^[11] 1900-1990^[12] 1990-2000^[13] 2010-2020^[1]

Linn County is included in the Kansas City, MO-KS Metropolitan Statistical Area.

As of the 2000 census,^[14] there were 9,570 people, 3,807 households, and 2,748 families residing in the county. The population density was 16 people per square mile (6.2 people/km²). There were 4,720 housing units at an average density of 8 per square mile (3.1/km²). The racial makeup of the county was 97.50% White, 0.63% Black or African American, 0.48% Native American, 0.14% Asian, 0.04% Pacific Islander, 0.16% from other races, and 1.06% from two or more races. Hispanic or Latino of any race were 0.91% of the population.

There were 3,807 households, out of which 28.90% had children under the age of 18 living with them, 62.70% were married couples living together, 6.20% had a female householder with no husband present, and 27.80% were non-families. 24.00% of all households were made up of individuals, and 13.00% had someone living alone who was 65 years of age or older. The average household size was 2.48 and the average family size was 2.94.

In the county, the population was spread out, with 25.00% under the age of 18, 6.70% from 18 to 24, 24.30% from 25 to 44, 25.70% from 45 to 64, and 18.30% who were 65 years of age or older. The median age was 41 years. For every 100 females there were 100.00 males. For every 100 females age 18 and over, there were 97.60 males.

The median income for a household in the county was $35,906, and the median income for a family was $42,571. Males had a median income of $31,720 versus $22,287 for females. The per capita income for the county was $17,009. About 7.80% of families and 11.00% of the population were below the poverty line, including 14.20% of those under age 18 and 9.60% of those age 65 or over.

Government

Presidential elections

Presidential election results

United States presidential election results for Linn County, Kansas^[15]
Year	Republican		Democratic		Third party(ies)
Year	No.	%	No.	%	No.	%
2024	4,093	81.39%	854	16.98%	82	1.63%
2020	4,048	80.22%	896	17.76%	102	2.02%
2016	3,484	78.22%	736	16.52%	234	5.25%
2012	3,177	71.12%	1,170	26.19%	120	2.69%
2008	3,086	66.84%	1,425	30.86%	106	2.30%
2004	3,048	64.29%	1,631	34.40%	62	1.31%
2000	2,513	59.00%	1,587	37.26%	159	3.73%
1996	2,077	49.04%	1,590	37.54%	568	13.41%
1992	1,413	34.20%	1,353	32.75%	1,365	33.04%
1988	2,163	58.60%	1,497	40.56%	31	0.84%
1984	2,795	70.33%	1,152	28.99%	27	0.68%
1980	2,407	64.88%	1,157	31.19%	146	3.94%
1976	1,873	52.00%	1,681	46.67%	48	1.33%
1972	2,593	73.41%	876	24.80%	63	1.78%
1968	2,250	63.11%	893	25.05%	422	11.84%
1964	1,939	52.70%	1,725	46.89%	15	0.41%
1960	2,824	70.18%	1,176	29.22%	24	0.60%
1956	2,991	71.64%	1,177	28.19%	7	0.17%
1952	3,527	73.99%	1,220	25.59%	20	0.42%
1948	2,632	60.45%	1,673	38.42%	49	1.13%
1944	3,185	68.54%	1,442	31.03%	20	0.43%
1940	4,086	66.04%	2,067	33.41%	34	0.55%
1936	3,872	58.78%	2,682	40.72%	33	0.50%
1932	2,647	44.46%	3,216	54.02%	90	1.51%
1928	4,231	75.19%	1,328	23.60%	68	1.21%
1924	3,161	57.91%	1,683	30.84%	614	11.25%
1920	3,189	62.84%	1,764	34.76%	122	2.40%
1916	2,699	45.47%	2,930	49.36%	307	5.17%
1912	858	23.95%	1,283	35.82%	1,441	40.23%
1908	1,950	51.79%	1,657	44.01%	158	4.20%
1904	2,324	62.54%	1,085	29.20%	307	8.26%
1900	2,279	52.23%	2,043	46.83%	41	0.94%
1896	2,153	46.64%	2,424	52.51%	39	0.84%
1892	2,046	49.37%	0	0.00%	2,098	50.63%
1888	2,166	52.51%	802	19.44%	1,157	28.05%

Laws

Following amendment to the Kansas Constitution in 1986, the county remained a prohibition, or "dry", county until 2004, when voters approved the sale of alcoholic liquor by the individual drink with a 30 percent food sales requirement.^[16]

Education

Unified school districts

Communities

List of townships / incorporated cities / unincorporated communities / extinct former communities within Linn County.^[17]

Cities

Unincorporated communities

† means a community is designated a Census-Designated Place (CDP) by the United States Census Bureau.

Ghost towns

Townships

Linn County is divided into eleven townships. None of the cities within the county are considered governmentally independent, and all figures for the townships include those of the cities. In the following table, the population center is the largest city (or cities) included in that township's population total, if it is of a significant size.

Township	FIPS	Population	Population density /km² (/sq mi)	Land area km² (sq mi)	Water area km² (sq mi)	Water %	Geographic coordinates
Blue Mound	07625	500	3 (8)	162 (63)	0 (0)	0.09%	38°5′37″N 95°0′45″W / 38.09361°N 95.01250°W / 38.09361; -95.01250
Centerville	12350	389	2 (5)	206 (79)	0 (0)	0.07%	38°12′39″N 94°59′56″W / 38.21083°N 94.99889°W / 38.21083; -94.99889
Liberty	40200	908	5 (14)	166 (64)	0 (0)	0.17%	38°19′38″N 94°59′26″W / 38.32722°N 94.99056°W / 38.32722; -94.99056
Lincoln	40825	2,251	18 (47)	125 (48)	11 (4)	7.84%	38°21′10″N 94°43′10″W / 38.35278°N 94.71944°W / 38.35278; -94.71944
Mound City	48775	1,421	11 (29)	129 (50)	0 (0)	0.16%	38°7′59″N 94°48′59″W / 38.13306°N 94.81639°W / 38.13306; -94.81639
Paris	54375	494	3 (8)	167 (65)	0 (0)	0.11%	38°13′49″N 94°50′1″W / 38.23028°N 94.83361°W / 38.23028; -94.83361
Potosi	57175	2,080	14 (37)	144 (56)	1 (0)	0.52%	38°10′35″N 94°42′20″W / 38.17639°N 94.70556°W / 38.17639; -94.70556
Scott	63550	641	4 (10)	163 (63)	1 (0)	0.73%	38°18′32″N 94°51′13″W / 38.30889°N 94.85361°W / 38.30889; -94.85361
Sheridan	64700	560	5 (13)	116 (45)	0 (0)	0.19%	38°4′7″N 94°41′9″W / 38.06861°N 94.68583°W / 38.06861; -94.68583
Stanton	67875	169	2 (6)	78 (30)	0 (0)	0.04%	38°3′33″N 94°49′58″W / 38.05917°N 94.83278°W / 38.05917; -94.83278
Valley	72925	157	2 (4)	94 (36)	6 (2)	5.91%	38°16′7″N 94°41′41″W / 38.26861°N 94.69472°W / 38.26861; -94.69472
Sources: "Census 2000 U.S. Gazetteer Files". U.S. Census Bureau, Geography Division. Archived from the original on August 2, 2002.