Demographics of Dallas County, Missouri

Dallas County, Missouri had 18,025 people on July 1, 2025, by the Census Bureau’s estimate: +892 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Dallas County, in four figures

18,025
Population: July 1, 2025, Vintage 2025 estimate.; +5.2%
Change since July 2020: +892 people.; 41.7 ±1.1
Median age: ACS 2020–⁠2024.; $53,464 ±$7,438
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Dallas County, Missouri's population grew 5.2% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Dallas County, Missouri's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

U.S. Census Bureau — Census Bureau population estimates — counties and Puerto Rico municipios, with components of change

About this chart

The figures

Dallas County, Missouri's population grew 5.2% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Dallas County, Missouri's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	17,133	100.0	100.0
2021	17,348	101.3	100.2
2022	17,602	102.7	100.7
2023	17,765	103.7	101.6
2024	17,858	104.2	102.5
2025	18,025	105.2	103.1

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Population of Dallas County, Missouri on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	17,133	+62	+2	0	+61
2021	17,348	+215	−124	+12	+335
2022	17,602	+254	−54	+8	+290
2023	17,765	+163	−52	+4	+209
2024	17,858	+93	−25	+3	+116
2025	18,025	+167	−34	0	+203

Age, 2020–2024

The median age is 41.7 ±1.1: for men 41.2 ±1.6 and for women 41.9 ±2.4. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Dallas County by age, ACS 2020–2024
Age	People	Share	Missouri	United States
Under 5	1,098 ±45	6.3% ±0.3	5.8% ±<0.1	5.6% ±<0.1
5 to 17	3,045 ±243	17.3% ±1.4	16.6% ±0.1	16.3% ±<0.1
18 to 24	1,141 ±192	6.5% ±1.1	9.1% ±0.1	9.1% ±<0.1
25 to 44	4,126 ±373	23.5% ±2.1	26.0% ±0.1	26.9% ±<0.1
45 to 64	4,448 ±428	25.3% ±2.4	24.6% ±0.1	24.8% ±<0.1
65 and over	3,693 ±387	21.0% ±2.2	17.9% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $53,464 ±$7,438, and income per person $28,002 ±$3,079, in 2024 dollars. The median is $70,702 ±$325 in Missouri and $80,734 ±$166 in the United States.

Households by income

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Households in Dallas County by income, ACS 2020–2024
Household income	Households	Share	Missouri	United States
Under $25,000	1,754 ±404	25.9% ±5.9	15.8% ±0.2	14.6% ±<0.1
$25,000 to $49,999	1,472 ±272	21.7% ±3.9	19.6% ±0.2	16.7% ±<0.1
$50,000 to $74,999	1,312 ±362	19.4% ±5.3	17.4% ±0.2	15.5% ±<0.1
$75,000 to $99,999	535 ±134	7.9% ±2.0	13.2% ±0.2	12.6% ±<0.1
$100,000 to $149,999	1,256 ±261	18.6% ±3.8	17.1% ±0.2	17.5% ±<0.1
$150,000 to $199,999	219 ±86	3.2% ±1.3	8.2% ±0.1	9.6% ±<0.1
$200,000 or more	91 to 349	1.3% to 5.2%	8.7% ±0.1	13.4% ±0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Dallas County by age, ACS 2020–2024
Age	Below poverty	Rate	Missouri	United States
All ages	3,533 ±707	20.5% ±4.1	12.6% ±0.2	12.5% ±0.1
Under 18	1,149 ±339	28.5% ±7.8	15.8% ±0.4	16.1% ±0.1
18 to 59	1,693 ±428	20.9% ±5.1	12.0% ±0.2	11.6% ±0.1
60 and over	691 ±198	13.5% ±3.7	10.9% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Dallas County, ACS 2020–2024
Measure	Dallas County	Missouri	United States
Housing units	7,613 ±19	2,825,287 ±1,043	143,775,355 ±10,234
Occupied	88.9% ±3.4	88.8% ±0.2	89.9% ±0.1
Vacant	11.1% ±3.5	11.2% ±0.2	10.1% ±0.1
Owner occupied	75.9% ±4.0	68.1% ±0.3	65.2% ±0.3
Renter occupied	24.1% ±4.3	31.9% ±0.2	34.8% ±0.1
Median home value	$190,300 ±$16,362	$230,300 ±$880	$332,700 ±$236
Median gross rent	$642 ±$51	$1,033 ±$6	$1,413 ±$2
Median year built	1981 ±3	1978 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Dallas County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Missouri	United States
Hispanic or Latino	398 ±0	2.3% ±<0.1	5.2% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	16,342 ±75	93.1% ±0.4	76.3% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	0 to 66	0% to 0.4%	10.9% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	0 to 8	0% to < 0.1%	2.1% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 40	0% to 0.2%	0.2% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 19	0% to 0.1%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 19	0% to 0.1%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	759 ±85	4.3% ±0.5	4.8% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Dallas County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Missouri	United States
Born in the state	11,124 ±605	63.4% ±3.4	65.6% ±0.2	57.3% ±<0.1
Born in another state	6,175 ±578	35.2% ±3.3	29.1% ±0.1	26.9% ±<0.1
Born a citizen outside the states	35 to 205	0.2% to 1.2%	0.8% ±<0.1	1.7% ±<0.1
Born abroad	33 to 231	0.2% to 1.3%	4.5% ±0.1	14.1% ±<0.1
Naturalized citizens	2 to 192	< 0.1% to 1.1%	2.3% ±0.1	7.4% ±<0.1
Not citizens	0 to 70	0% to 0.4%	2.2% ±0.1	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Dallas County among the counties of Missouri

61st of 115 by population, July 2025. Every one is listed on the Missouri page.

Counties of Missouri near Dallas County in population, July 2025
County	July 2025	Change since 2020
Vernon County	19,946	+1.5%
Wright County	19,671	+8.0%
Perry County	19,093	+0.6%
Ste. Genevieve County	18,689	+1.1%
Andrew County	18,241	+0.7%
Dallas County	18,025	+5.2%
Pike County	17,955	+3.1%
Cooper County	17,136	+3.0%
Bates County	16,512	+2.9%
Moniteau County	15,428	+1.3%
Macon County	15,190	−0.1%

Elsewhere on the site

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Data retrieved September 25, 2026