Dallas County, Missouri Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 62nd-largest in Missouri
The population of Dallas County, Missouri is 17,344 as of the 2023 American Community Survey, making it the 62nd-largest county in Missouri. The median household income is $53,177, the median home value is $151,200, and the median age is 42.5.
The population of Dallas County has grown 6.9% since 2010 (16,723 → 17,877), a +0.48% annualized rate.
17,344
Population
+0.48%
Annual growth
32
People / sq mi
$53,177
Median Income
$151,200
Median Home Value
Dallas County covers 541 sq mi of land at 32.1 people per square mile.
About Dallas County, MO
Dallas County is a county in Missouri with a population of 17,344. It ranks #62 among counties in Missouri by population. The median age is 42.5, older than the national median. The population is 49.1% male and 50.9% female.
The median household income in Dallas County is $53,177, below the US median of $74,580. 17.0% of residents live below the federal poverty level. Home values sit at a median of $151,200, with monthly rent averaging $685. The homeownership rate of 76.1% is higher than the national rate of 64.8%.
Educational attainment in Dallas County reflects 14.8% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 6.5% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 34.4 minutes each way.
Dallas County Population History (2010-2024)
The county of Dallas County had a population of 16,723 in 2010 and 17,877 in 2024, a 6.9% growth over 14 years. The peak was 17,877 in 2024. Average annual growth rate: 0.48%.
17,877
Population (2024)
16,723
Population (2010)
17,877
Peak (2024)
0.48%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 16,723 |
| 2011 | 16,689 |
| 2012 | 16,703 |
| 2013 | 16,468 |
| 2014 | 16,349 |
| 2015 | 16,362 |
| 2016 | 16,418 |
| 2017 | 16,755 |
| 2018 | 16,828 |
| 2019 | 16,984 |
| 2020 | 17,132 |
| 2021 | 17,344 |
| 2022 | 17,610 |
| 2023 | 17,793 |
| 2024 | 17,877 |
Race & Ethnicity
| White | 95.2% |
| Black or African American | 0.2% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 3.6% |
| Two or More Races | 0.0% |
Age & Sex
42.5
Median Age
50.9%
Female
49.1%
Male
20.8%
Age 65+
Age Distribution
Children (under 15): 19.9% · Seniors (65+): 20.8%
Income & Poverty
| Median household income | $53,177$-15,743 vs state |
| Mean household income | $68,856 |
| Per-capita income | $27,078 |
| Poverty rate | 17.0%+8.6% vs state |
| Unemployment rate | 2.0% |
| Employment-to-population | 48.4% |
Top Industries by Employment
The largest employment sector in Dallas County is professional & business services, accounting for 26.1% of workers.
How residents commute
0.0%
Drive alone
0.1%
Carpool
74.8%
Public transit
6.5%
Work from home
34.4 min
Avg commute
Housing
$151,200$-64,400 vs state
Median home value
$685
Median rent
76.1%
Homeownership rate
7,610
Total housing units
87.0%
Occupied
13.0%
Vacant
23.9%
Renter-occupied
Social & access
83.8%
With health insurance
92.2%
With broadband internet
35.7%
Foreign-born
9.6%
Veterans (18+)
21.4%
With a disability
95.1%
Speak language other than English at home
Education
90.3%
High School+
14.8%
Bachelor's+
Largest cities in Missouri
Other counties in Missouri
Part of Missouri
Metro areas in Missouri
County rankings
Frequently Asked Questions
Dallas County, Missouri has a population of 17,344 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 62nd-largest county in Missouri. Population density is 32 people per square mile.
The population of Dallas County has grown 6.9% since 2010 (16,723 → 17,877), a +0.48% annualized rate.
The median household income in Dallas County, Missouri is $53,177, with mean (average) household income of $68,856 and per-capita income of $27,078. 17.0% of residents live below the federal poverty level.
In Dallas County, the largest racial and ethnic groups are White (95.2%), Hispanic or Latino (3.6%), Black or African American (0.2%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Dallas County, Missouri is 42.5 years. Residents are 50.9% female and 49.1% male.
The median home value in Dallas County is $151,200 and median monthly rent is $685. 76.1% of occupied housing units are owner-occupied. The county has 7,610 total housing units, 13.0% of which are vacant.
The largest employment sector in Dallas County, Missouri is professional, scientific, and management services, employing 26.1% of workers. The unemployment rate is 2.0%.
Kansas City is among the largest cities associated with Dallas 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.