County · Kansas
Linn County, Kansas
Linn County, Kansas. Linn County had 9,950 residents in 2025 by the Census Bureau's estimate, up 3.6% since 2020, faster than Kansas (+1.3%). It holds 19 places (7 cities, villages and boroughs, 11 towns and townships and 1 census-designated) and 3 census tracts. GEOID 20107.
Linn County is one of the 14 counties of the Kansas City, MO-KS metropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
9,950
Census Bureau estimate (no margin published)
2020 Census count: 9,591 · ACS 2020-2024: 9,767
Median household income
$59,069
±$3,266 (90% margin)
Kansas: $74,275
Median home value
$173,600
±$14,994 (90% margin)
Kansas: $217,200
Median gross rent
$691
±$48 (90% margin)
Kansas: $1,060
How many people live in Linn County, and is it growing?
The 2020 Census counted 9,591 residents in Linn County. The Census Bureau estimates 9,950 for July 1, 2025, up 3.6% since 2020, faster than Kansas (+1.3%). The 2020-2024 American Community Survey puts the population at 9,767 over 594 square miles of land.
| Measure | Linn County | Kansas | Change since 2015-2019 |
|---|---|---|---|
| Total population | 9,767 | 2,947,197 | +96 |
| Households | 4,348±179 | 1,174,060 | no clear change |
| Average household size | 2.24±0.09 | 2.44 | no clear change |
| Housing units | 5,222±51 | 1,293,635 | −394 |
Linn County's population since 2000
From 9,570 in 2000 to 9,950 in 2025: up 4.0%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Linn County?
Linn County holds 19 places: 7 cities, villages and boroughs (incorporated places), 11 towns and townships (county subdivisions with their own government) and 1 census-designated place. The largest is Lincoln Township, Linn County with 2,730 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Lincoln Township, Linn County | 2,525 | $56,310 |
|---|---|---|
| Potosi Township | 1,876 | $61,481 |
| Mound City Township | 1,327 | $63,542 |
| Pleasanton | 1,208 | $49,565 |
| La Cygne | 1,050 | $58,882 |
| Linn Valley | 956 | $51,279 |
| Liberty Township, Linn CountyGEOID 2010740200 | 921 | $98,750 |
| Scott Township, Linn CountyGEOID 2010763550 | 796 | $104,063 |
| Mound City | 647 | $60,563 |
| Paris TownshipGEOID 2010754375 | 503 | $35,893 |
| Centerville Township, Linn CountyGEOID 2010712350 | 483 | $97,396 |
| Sheridan Township, Linn County | 450 | $43,333 |
| Blue Mound Township | 432 | $44,943 |
| ParkerGEOID 2054500 | 241 | $79,125 |
| Blue Mound | 219 | $60,625 |
| Prescott | 207 | $42,708 |
| Stanton Township, Linn CountyGEOID 2010767875 | 148 | not published |
| Valley Township, Linn CountyGEOID 2010772925 | 130 | $87,788 |
| CentervilleGEOID 2012325 | 78 | not published |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Linn County?
The median resident of Linn County is 45.7 years old; 22.0% are under 18 and 22.8% are 65 or older. The largest group is non-Hispanic white residents at 91.0%, then non-Hispanic residents of two or more races at 3.6%. 0.4% of residents were born outside the United States.
| Measure | Linn County | Kansas | Change since 2015-2019 |
|---|---|---|---|
| Median age | 45.7±0.6 | 37.4 | +1.3 |
| Under 18 years | 22.0%±0.4 pts | 23.8% | – |
| 65 years and over | 22.8%±0.5 pts | 17.0% | – |
| Hispanic or Latino (any race) | 3.1% | 13.6% | +0.4 pts |
| White alone, not Hispanic | 91.0%±1.0 pts | 72.7% | −2.5 pts |
| Black or African American alone, not Hispanic | 1.4%±0.3 pts | 5.2% | – |
| Asian alone, not Hispanic | 0.2%±0.2 pts | 2.9% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.2%±0.2 pts | 0.4% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.1%±0.1 pts | 0.1% | – |
| Two or more races, not Hispanic | 3.6%±1.0 pts | 4.8% | – |
| Some other race alone, not Hispanic | 0.3%±0.5 pts | 0.4% | – |
| Born outside the United States | 0.4%±0.2 pts | 7.4% | no clear change |
| Speak a language other than English at home (age 5+) | 1.5%±0.7 pts | 12.1% | – |
| Civilian veterans (age 18+) | 8.2%±1.6 pts | 6.8% | – |
| With a disability | 18.1%±2.0 pts | 13.5% | – |
| No health insurance coverage | 9.8%±2.1 pts | 8.8% | no clear change |
| High school graduate or higher (age 25+) | 94.2%±1.9 pts | 92.0% | – |
| Bachelor's degree or higher (age 25+) | 22.7%±2.7 pts | 35.6% | +6.5 pts |
| Graduate or professional degree (age 25+) | 7.0%±1.9 pts | 13.4% | – |
| Moved from another state in the past year | 1.0%±0.5 pts | 3.0% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Linn County earn?
Half of Linn County's 4,348 households earn less than $59,069 a year (±$3,266), against $74,275 in Kansas. In 2015-2019 it was $60,031 in 2024 dollars; the margins of error cannot tell the two periods apart. 8.4% of residents live below the poverty line.
| Measure | Linn County | Kansas | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $59,069±$3,266 | $74,275 | no clear change |
| Mean household income | $84,539±$7,709 | $100,417 | – |
| Per capita income | $37,708±$3,267 | $40,978 | no clear change |
| People below the poverty line | 8.4%±1.8 pts | 11.3% | −7.9 pts |
| Children under 18 below the poverty line | 6.8%±3.5 pts | 13.1% | −12.3 pts |
| Households receiving SNAP | 8.3%±2.1 pts | 6.8% | – |
| Households with a broadband subscription | 83.7%±3.3 pts | 90.7% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Linn County?
Owners occupy 81.1% of Linn County's occupied homes and renters 18.9%. The median owner-occupied home is valued at $173,600 by its owner (±$14,994). The median renter pays $691 a month including utilities, and 20.2% of renters pay 35% or more of their income on rent.
| Measure | Linn County | Kansas | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $173,600±$14,994 | $217,200 | +$38,101 |
| Median gross rent | $691±$48 | $1,060 | −$130 |
| Renters paying 35% or more of income on rent | 20.2%±6.6 pts | 34.5% | no clear change |
| Median monthly owner costs, with a mortgage | $1,445±$84 | $1,689 | – |
| Owner-occupied homes | 81.1%±2.8 pts | 67.2% | no clear change |
| Housing units | 5,222±51 | 1,293,635 | −394 |
| Homeowner vacancy rate | 0.3%±0.3 pts | 0.9% | – |
| Rental vacancy rate | 2.6%±2.4 pts | 6.2% | – |
| Single-family detached homes | 81.2%±2.9 pts | 71.8% | – |
| Mobile homes | 12.3%±2.6 pts | 4.0% | – |
| Built 2020 or later | 0.9%±0.7 pts | 1.4% | – |
| Built 1939 or earlier | 19.2%±3.5 pts | 15.4% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Linn County building?
Builders took permits for 71 new housing units across Linn County in 2025 (71 single-family), 7.1 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Linn County get to work?
76.9% of Linn County's workers drive alone and 8.1% work from home. The average trip to work takes 34.7 minutes. The unemployment rate in 2020-2024 averaged 4.4%.
| Measure | Linn County | Kansas | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 57.5%±2.4 pts | 66.1% | – |
| Unemployment rate | 4.4%±1.9 pts | 3.9% | no clear change |
| Drove alone to work | 76.9%±3.9 pts | 75.4% | – |
| Carpooled | 11.1%±3.0 pts | 8.7% | – |
| Public transportation | 0.6%±0.9 pts | 0.4% | – |
| Walked | 2.3%±1.2 pts | 2.3% | – |
| Worked from home | 8.1%±2.7 pts | 11.8% | no clear change |
| Mean travel time to work | 34.7 min±2.5 | 19.7 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Linn County's census tracts?
Linn County is divided into 3 census tracts. Among those with a reliable estimate, median household income runs from $56,713 (Tract 9551.02) to $82,016 (Tract 9551.01).
| Tract 9551.0120107955101 | 2,731±287 | $82,016 |
|---|---|---|
| Tract 9551.0220107955102 | 2,718±65 | $56,713 |
| Tract 955220107955200 | 4,318±296 | $57,946 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Linn County compare with Kansas's other counties?
| Measure | Rank |
|---|---|
| Population | 40th of 105 |
| Growth 2020-2025 | 4th of 105 |
| Residents per square mile | 39th of 105 |
| Median household income | 82nd of 105 |
| Median home value | 22nd of 105 |
| Median gross rent | 81st of 104 |
| Poverty rate | 80th of 102 |
| Bachelor's degree or higher | 64th of 105 |
| Median age | 18th of 105 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Linn County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.