Caldwell County, Missouri Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 90th-largest in Missouri
The population of Caldwell County, Missouri is 8,890 as of the 2023 American Community Survey, making it the 90th-largest county in Missouri. The median household income is $62,520, the median home value is $156,700, and the median age is 42.7.
The population of Caldwell County has declined 4.5% since 2010 (9,428 → 9,000), a -0.33% annualized rate.
8,890
Population
-0.33%
Annual growth
21
People / sq mi
$62,520
Median Income
$156,700
Median Home Value
Caldwell County covers 426 sq mi of land at 20.8 people per square mile.
About Caldwell County, MO
Caldwell County is a county in Missouri with a population of 8,890. It ranks #90 among counties in Missouri by population. The median age is 42.7, older than the national median. The population is 50.9% male and 49.1% female.
The median household income in Caldwell County is $62,520, below the US median of $74,580. 8.5% of residents live below the federal poverty level. Home values sit at a median of $156,700, with monthly rent averaging $628. The homeownership rate of 81.0% is higher than the national rate of 64.8%.
Educational attainment in Caldwell County reflects 18.4% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 8.6% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 32.6 minutes each way.
Caldwell County Population History (2010-2024)
The county of Caldwell County had a population of 9,428 in 2010 and 9,000 in 2024, a -4.5% growth over 14 years. The peak was 9,428 in 2010. Average annual growth rate: -0.33%.
9,000
Population (2024)
9,428
Population (2010)
9,428
Peak (2010)
-0.33%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 9,428 |
| 2011 | 9,276 |
| 2012 | 9,085 |
| 2013 | 9,036 |
| 2014 | 8,992 |
| 2015 | 8,996 |
| 2016 | 9,043 |
| 2017 | 9,056 |
| 2018 | 9,073 |
| 2019 | 9,039 |
| 2020 | 8,821 |
| 2021 | 8,900 |
| 2022 | 8,939 |
| 2023 | 8,976 |
| 2024 | 9,000 |
Race & Ethnicity
| White | 93.1% |
| Black or African American | 1.2% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.9% |
| Two or More Races | 0.0% |
Age & Sex
42.7
Median Age
49.1%
Female
50.9%
Male
20.1%
Age 65+
Age Distribution
Children (under 15): 19.0% · Seniors (65+): 20.1%
Income & Poverty
| Median household income | $62,520$-6,400 vs state |
| Mean household income | $77,596 |
| Per-capita income | $31,963 |
| Poverty rate | 8.5%+0.1% vs state |
| Unemployment rate | 2.6% |
| Employment-to-population | 55.1% |
Top Industries by Employment
The largest employment sector in Caldwell County is professional & business services, accounting for 21.2% of workers.
How residents commute
0.1%
Drive alone
0.7%
Carpool
79.1%
Public transit
8.6%
Work from home
32.6 min
Avg commute
Housing
$156,700$-58,900 vs state
Median home value
$628
Median rent
81.0%
Homeownership rate
4,269
Total housing units
84.1%
Occupied
15.9%
Vacant
19.0%
Renter-occupied
Social & access
89.3%
With health insurance
89.7%
With broadband internet
25.7%
Foreign-born
10.2%
Veterans (18+)
14.0%
With a disability
97.9%
Speak language other than English at home
Education
90.8%
High School+
18.4%
Bachelor's+
Largest cities in Missouri
Other counties in Missouri
Part of Missouri
Metro areas in Missouri
County rankings
Frequently Asked Questions
Caldwell County, Missouri has a population of 8,890 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 90th-largest county in Missouri. Population density is 21 people per square mile.
The population of Caldwell County has declined 4.5% since 2010 (9,428 → 9,000), a -0.33% annualized rate.
The median household income in Caldwell County, Missouri is $62,520, with mean (average) household income of $77,596 and per-capita income of $31,963. 8.5% of residents live below the federal poverty level.
In Caldwell County, the largest racial and ethnic groups are White (93.1%), Hispanic or Latino (1.9%), Black or African American (1.2%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Caldwell County, Missouri is 42.7 years. Residents are 49.1% female and 50.9% male.
The median home value in Caldwell County is $156,700 and median monthly rent is $628. 81.0% of occupied housing units are owner-occupied. The county has 4,269 total housing units, 15.9% of which are vacant.
The largest employment sector in Caldwell County, Missouri is professional, scientific, and management services, employing 21.2% of workers. The unemployment rate is 2.6%.
Kansas City is among the largest cities associated with Caldwell County, Missouri, with a population of 508,233.
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Statewide data for Missouri
Population, race, income, age, and trends across Missouri
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.