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
Homeownership is the standout figure in Caldwell County: 81.0% of homes are owner-occupied, higher than the national rate. With 8,890 residents, Caldwell County is a county in Missouri.
Median household income is $62,520, below the US median of $78,538. Poverty runs at 8.5%, below the national 12.4%. The typical home is valued at $156,700, with typical rent around $628.
Roughly 18.4% of adults have a bachelor’s, below the national 35.0%. About 8.6% of the workforce is home-based, below the national 14.0%, and the average commute runs about 33 minutes each way.
The ownership rate anchors the housing story in Caldwell County, and tends to move with the age structure and home-value figures above.
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.
Caldwell County, MO Climate
Caldwell County, MO has an average annual temperature of 11.5°C (53°F) and receives about 932 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
11.5°C
Avg Temp
932
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -4° / 25° | 32 mm |
| February | 0° / 31° | 27 mm |
| March | 6° / 42° | 65 mm |
| April | 12° / 53° | 89 mm |
| May | 17° / 63° | 115 mm |
| June | 22° / 72° | 107 mm |
| July | 25° / 77° | 101 mm |
| August | 24° / 75° | 98 mm |
| September | 19° / 67° | 119 mm |
| October | 13° / 55° | 84 mm |
| November | 5° / 41° | 55 mm |
| December | -1° / 30° | 40 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Caldwell County, MO
The most comfortable months to visit Caldwell County, MO are typically June, September and August, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 31°C high). The coldest is January (near -9°C low). September is usually the wettest month.
Where to stay near Caldwell County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.