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
The poverty rate is what most separates Dallas County from the typical county: 17.0% of residents live below the federal poverty line, against 12.4% nationally. Dallas County is a county in Missouri with a population of 17,344.
The typical household earns $53,177, below the US median of $78,538. The poverty rate is 17.0%, above the national 12.4%. Median home value is $151,200, with typical rent around $685.
College attainment is 14.8%, below the national 35.0%. Remote work is below the national 14.0% at 6.5%, and the average commute runs about 34 minutes each way.
The elevated poverty rate is the context for the rest of the profile in Dallas County: it pulls on median income, housing tenure, and the share of residents with a college degree.
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.
Dallas County, MO Climate
Dallas County, MO has an average annual temperature of 12.9°C (55°F) and receives about 1077 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
12.9°C
Avg Temp
1077
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -1° / 30° | 42 mm |
| February | 2° / 36° | 52 mm |
| March | 8° / 46° | 93 mm |
| April | 13° / 55° | 101 mm |
| May | 18° / 64° | 126 mm |
| June | 22° / 72° | 114 mm |
| July | 25° / 78° | 84 mm |
| August | 25° / 76° | 91 mm |
| September | 20° / 69° | 113 mm |
| October | 14° / 57° | 102 mm |
| November | 7° / 45° | 91 mm |
| December | 2° / 35° | 68 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 Dallas County, MO
The most comfortable months to visit Dallas County, MO are typically September, June and August, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 32°C high). The coldest is January (near -7°C low). May is usually the wettest month.
Where to stay near Dallas County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.