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.

Dallas County within Missouri · Source: US Census TIGER/Line via us-atlas

17,344

Population

+0.48%

Annual growth

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%.

Dallas County population, 2010–2024 · Source: U.S. Census Bureau — decennial census & Population Estimates

17,877

Population (2024)

16,723

Population (2010)

17,877

Peak (2024)

0.48%

Avg Annual Growth

Year	Population	Change	Annual %	Source
2010	16,723	-	-	estimate
2011	16,689	-34	-0.20%	estimate
2012	16,703	+14	+0.08%	estimate
2013	16,468	-235	-1.41%	estimate
2014	16,349	-119	-0.72%	estimate
2015	16,362	+13	+0.08%	estimate
2016	16,418	+56	+0.34%	estimate
2017	16,755	+337	+2.05%	estimate
2018	16,828	+73	+0.44%	estimate
2019	16,984	+156	+0.93%	estimate
2020	17,132	+148	+0.87%	estimate
2021	17,344	+212	+1.24%	estimate
2022	17,610	+266	+1.53%	estimate
2023	17,793	+183	+1.04%	estimate
2024	17,877	+84	+0.47%	estimate

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

Under 5

6.6%

5–9

6.5%

10–14

6.8%

15–19

6.2%

20–24

4.4%

25–34

11.3%

35–44

11.5%

45–54

11.4%

55–59

5.5%

60–64

9.0%

65–74

12.7%

75–84

6.8%

85+

1.3%

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

Professional & business services

26.1%

Manufacturing

15.1%

Retail trade

9.6%

Construction

9.1%

Education & health care

6.4%

Arts, entertainment & food

6.1%

Public administration

5.5%

Finance & real estate

4.7%

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

Kansas City (508,233)St. Louis (293,109)Springfield (169,432)Columbia (127,200)Independence (121,944)Lee's Summit (102,583)O'Fallon (92,697)St. Joseph (71,542)St. Charles (71,048)Blue Springs (59,416)All Missouri cities →

Other counties in Missouri

St. Louis County (996,618)Jackson County (717,021)St. Charles County (409,830)Greene County (301,121)St. Louis city (293,109)Clay County (255,566)Jefferson County (228,227)Boone County (185,874)Jasper County (123,532)Cass County (109,393)All Missouri counties →

Part of Missouri

Missouri demographic profile All Missouri data →

Metro areas in Missouri

St. Louis (2,809,414)Kansas City (2,202,006)Springfield (481,671)Columbia (212,850)Joplin (202,258)Jefferson City (150,147)St. Joseph (120,609)Cape Girardeau (97,813)All US metros →

County rankings

US Counties by Population Richest US Counties by Median Household Income Expensive US Counties by Home Value Educated US Counties Counties With Highest Poverty Rates Youngest US Counties by Median Age Oldest US Counties by Median Age Cheapest US Counties by Median Home Value Racially Diverse US Counties Counties With Largest Hispanic Population All 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.