County · Missouri
Clinton County, Missouri
Clinton County, Missouri. Clinton County had 21,661 residents in 2025 by the Census Bureau's estimate, up 2.3% since 2020, in line with Missouri (+1.9%). It holds 10 places (8 cities, villages and boroughs and 2 census-designated) and 5 census tracts. GEOID 29049.
Clinton 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
21,661
Census Bureau estimate (no margin published)
2020 Census count: 21,184 · ACS 2020-2024: 21,414
Median household income
$70,627
±$2,764 (90% margin)
Missouri: $70,702
Median home value
$226,800
±$11,202 (90% margin)
Missouri: $230,300
Median gross rent
$1,008
±$69 (90% margin)
Missouri: $1,033
How many people live in Clinton County, and is it growing?
The 2020 Census counted 21,184 residents in Clinton County. The Census Bureau estimates 21,661 for July 1, 2025, up 2.3% since 2020, in line with Missouri (+1.9%). The 2020-2024 American Community Survey puts the population at 21,414 over 419 square miles of land.
| Measure | Clinton County | Missouri | Change since 2015-2019 |
|---|---|---|---|
| Total population | 21,414 | 6,191,814 | +914 |
| Households | 8,329±253 | 2,508,227 | no clear change |
| Average household size | 2.52±0.08 | 2.40 | no clear change |
| Housing units | 9,077±46 | 2,825,287 | +76 |
Clinton County's population since 2000
From 18,979 in 2000 to 21,661 in 2025: up 14.1%. 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 Clinton County?
Clinton County holds 10 places: 8 cities, villages and boroughs (incorporated places) and 2 census-designated places. The largest is Cameron with 7,341 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Cameron | 8,513 | $61,791 |
|---|---|---|
| Lathrop | 2,271 | $67,178 |
| Plattsburg | 2,222 | $63,423 |
| Gower | 1,533 | $83,750 |
| Trimble | 573 | $65,563 |
| Lake ArrowheadGEOID 2939852 | 363 | $34,886 |
| TurneyGEOID 2974176 | 114 | $63,542 |
| Holt | 471 | $73,125 |
| GraysonGEOID 2928882 | 61 | not published |
| Osborn | 374 | $52,054 |
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 Clinton County?
The median resident of Clinton County is 42.0 years old; 23.2% are under 18 and 18.9% are 65 or older. The largest group is non-Hispanic white residents at 91.9%, then non-Hispanic residents of two or more races at 4.2%. 1.1% of residents were born outside the United States.
| Measure | Clinton County | Missouri | Change since 2015-2019 |
|---|---|---|---|
| Median age | 42.0±1.3 | 39.0 | no clear change |
| Under 18 years | 23.2%±0.2 pts | 22.3% | – |
| 65 years and over | 18.9%±0.2 pts | 17.9% | – |
| Hispanic or Latino (any race) | 2.6% | 5.2% | +0.5 pts |
| White alone, not Hispanic | 91.9%±0.6 pts | 76.3% | −1.8 pts |
| Black or African American alone, not Hispanic | 0.8%±0.2 pts | 10.9% | −0.7 pts |
| Asian alone, not Hispanic | 0.2%±0.2 pts | 2.1% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.1%±0.1 pts | 0.2% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.2 pts | 0.1% | – |
| Two or more races, not Hispanic | 4.2%±0.6 pts | 4.8% | – |
| Some other race alone, not Hispanic | 0.1%±0.2 pts | 0.4% | – |
| Born outside the United States | 1.1%±0.5 pts | 4.5% | no clear change |
| Speak a language other than English at home (age 5+) | 2.4%±0.6 pts | 6.7% | – |
| Civilian veterans (age 18+) | 8.3%±1.3 pts | 7.3% | – |
| With a disability | 15.3%±1.7 pts | 14.9% | – |
| No health insurance coverage | 8.8%±1.9 pts | 8.8% | no clear change |
| High school graduate or higher (age 25+) | 92.5%±1.4 pts | 91.9% | – |
| Bachelor's degree or higher (age 25+) | 22.1%±2.3 pts | 32.4% | no clear change |
| Graduate or professional degree (age 25+) | 7.8%±1.5 pts | 12.6% | – |
| Moved from another state in the past year | 1.8%±0.7 pts | 2.5% | – |
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 Clinton County earn?
Half of Clinton County's 8,329 households earn less than $70,627 a year (±$2,764), against $70,702 in Missouri. In 2015-2019 the median was $77,166 in 2024 dollars, so it fell by $6,539 after inflation. 12.3% of residents live below the poverty line.
| Measure | Clinton County | Missouri | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $70,627±$2,764 | $70,702 | −$6,539 |
| Mean household income | $89,325±$5,561 | $96,247 | – |
| Per capita income | $35,789±$2,110 | $39,695 | no clear change |
| People below the poverty line | 12.3%±2.9 pts | 12.6% | no clear change |
| Children under 18 below the poverty line | 12.0%±6.3 pts | 15.8% | no clear change |
| Households receiving SNAP | 7.8%±1.9 pts | 9.8% | – |
| Households with a broadband subscription | 86.0%±2.3 pts | 89.3% | – |
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 Clinton County?
Owners occupy 75.7% of Clinton County's occupied homes and renters 24.3%. The median owner-occupied home is valued at $226,800 by its owner (±$11,202). The median renter pays $1,008 a month including utilities, and 26.5% of renters pay 35% or more of their income on rent.
| Measure | Clinton County | Missouri | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $226,800±$11,202 | $230,300 | +$30,258 |
| Median gross rent | $1,008±$69 | $1,033 | no clear change |
| Renters paying 35% or more of income on rent | 26.5%±6.9 pts | 36.6% | no clear change |
| Median monthly owner costs, with a mortgage | $1,573±$62 | $1,524 | – |
| Owner-occupied homes | 75.7%±3.4 pts | 68.1% | no clear change |
| Housing units | 9,077±46 | 2,825,287 | +76 |
| Homeowner vacancy rate | 1.2%±1.2 pts | 0.9% | – |
| Rental vacancy rate | 3.3%±3.5 pts | 5.0% | – |
| Single-family detached homes | 83.3%±3.0 pts | 70.5% | – |
| Mobile homes | 3.5%±1.1 pts | 5.2% | – |
| Built 2020 or later | 2.1%±0.9 pts | 1.6% | – |
| Built 1939 or earlier | 19.7%±2.9 pts | 13.3% | – |
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 Clinton County building?
Builders took permits for 82 new housing units across Clinton County in 2025 (78 single-family), 3.8 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 Clinton County get to work?
80.1% of Clinton County's workers drive alone and 10.0% work from home. The average trip to work takes 28.6 minutes. The unemployment rate in 2020-2024 averaged 3.0%.
| Measure | Clinton County | Missouri | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 60.5%±2.0 pts | 63.1% | – |
| Unemployment rate | 3.0%±1.4 pts | 4.0% | no clear change |
| Drove alone to work | 80.1%±2.7 pts | 74.8% | – |
| Carpooled | 8.2%±2.2 pts | 8.1% | – |
| Public transportation | 0.0%±0.4 pts | 0.8% | – |
| Walked | 1.1%±0.6 pts | 1.8% | – |
| Worked from home | 10.0%±2.0 pts | 13.0% | +5.1 pts |
| Mean travel time to work | 28.6 min±2.2 | 23.5 min | −4.1 min |
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 Clinton County's census tracts?
Clinton County is divided into 5 census tracts. Among those with a reliable estimate, median household income runs from $66,607 (Tract 9601) to $79,946 (Tract 9602.02).
| Tract 960129049960100 | 5,441±271 | $66,607 |
|---|---|---|
| Tract 9602.0129049960201 | 3,125±380 | $70,690 |
| Tract 9602.0229049960202 | 3,789±392 | $79,946 |
| Tract 960329049960300 | 4,366±303 | $70,071 |
| Tract 960429049960400 | 4,693±326 | $75,625 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Clinton County compare with Missouri's other counties?
| Measure | Rank |
|---|---|
| Population | 53rd of 115 |
| Growth 2020-2025 | 48th of 115 |
| Residents per square mile | 37th of 115 |
| Median household income | 20th of 115 |
| Median home value | 18th of 115 |
| Median gross rent | 10th of 115 |
| Poverty rate | 81st of 115 |
| Bachelor's degree or higher | 38th of 115 |
| Median age | 45th of 115 |
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 Clinton 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.