Demographics of Adair County, Missouri

Adair County, Missouri had 25,684 people on July 1, 2025, by the Census Bureau’s estimate: +408 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.

Adair County, in four figures

25,684
Population: July 1, 2025, Vintage 2025 estimate.; +1.6%
Change since July 2020: +408 people.; 30.2 ±0.7
Median age: ACS 2020–⁠2024.; $61,536 ±$4,691
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.

Adair County, Missouri's population grew 1.6% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Adair 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

Adair County, Missouri's population grew 1.6% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Adair 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	25,276	100.0	100.0
2021	25,187	99.6	100.2
2022	25,124	99.4	100.7
2023	25,168	99.6	101.6
2024	25,617	101.3	102.5
2025	25,684	101.6	103.1

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Population of Adair 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	25,276	−38	+12	+4	−56
2021	25,187	−89	+12	+54	−167
2022	25,124	−63	−19	+102	−134
2023	25,168	+44	+63	+129	−149
2024	25,617	+449	+75	+251	+126
2025	25,684	+67	+72	+204	−209

Age, 2020–2024

The median age is 30.2 ±0.7: for men 30.2 ±0.7 and for women 30.1 ±1.6. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Adair County by age, ACS 2020–2024
Age	People	Share	Missouri	United States
Under 5	1,454 ±100	5.7% ±0.4	5.8% ±<0.1	5.6% ±<0.1
5 to 17	3,286 ±274	13.0% ±1.1	16.6% ±0.1	16.3% ±<0.1
18 to 24	6,425 ±568	25.4% ±2.2	9.1% ±0.1	9.1% ±<0.1
25 to 44	5,144 ±291	20.3% ±1.1	26.0% ±0.1	26.9% ±<0.1
45 to 64	5,099 ±313	20.2% ±1.2	24.6% ±0.1	24.8% ±<0.1
65 and over	3,893 ±300	15.4% ±1.2	17.9% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $61,536 ±$4,691, and income per person $34,223 ±$3,689, 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 Adair County by income, ACS 2020–2024
Household income	Households	Share	Missouri	United States
Under $25,000	2,202 ±304	24.1% ±3.2	15.8% ±0.2	14.6% ±<0.1
$25,000 to $49,999	1,670 ±262	18.3% ±2.8	19.6% ±0.2	16.7% ±<0.1
$50,000 to $74,999	1,672 ±269	18.3% ±2.9	17.4% ±0.2	15.5% ±<0.1
$75,000 to $99,999	1,271 ±214	13.9% ±2.3	13.2% ±0.2	12.6% ±<0.1
$100,000 to $149,999	1,294 ±200	14.2% ±2.1	17.1% ±0.2	17.5% ±<0.1
$150,000 to $199,999	430 ±119	4.7% ±1.3	8.2% ±0.1	9.6% ±<0.1
$200,000 or more	587 ±130	6.4% ±1.4	8.7% ±0.1	13.4% ±0.1

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 Adair County by age, ACS 2020–2024
Age	Below poverty	Rate	Missouri	United States
All ages	5,155 ±551	22.0% ±2.4	12.6% ±0.2	12.5% ±0.1
Under 18	608 ±163	13.0% ±3.4	15.8% ±0.4	16.1% ±0.1
18 to 59	3,869 ±430	28.4% ±2.9	12.0% ±0.2	11.6% ±0.1
60 and over	678 ±191	13.2% ±3.6	10.9% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Adair County, ACS 2020–2024
Measure	Adair County	Missouri	United States
Housing units	11,389 ±36	2,825,287 ±1,043	143,775,355 ±10,234
Occupied	80.1% ±2.8	88.8% ±0.2	89.9% ±0.1
Vacant	19.9% ±2.8	11.2% ±0.2	10.1% ±0.1
Owner occupied	61.0% ±1.7	68.1% ±0.3	65.2% ±0.3
Renter occupied	39.0% ±3.2	31.9% ±0.2	34.8% ±0.1
Median home value	$165,700 ±$10,140	$230,300 ±$880	$332,700 ±$236
Median gross rent	$772 ±$43	$1,033 ±$6	$1,413 ±$2
Median year built	1973 ±2	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 Adair County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Missouri	United States
Hispanic or Latino	755 ±0	3.0% ±<0.1	5.2% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	22,028 ±95	87.1% ±0.4	76.3% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	1,123 ±112	4.4% ±0.4	10.9% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	526 ±179	2.1% ±0.7	2.1% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	78 ±37	0.3% ±0.1	0.2% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 23	0% to 0.1%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 6	0% to < 0.1%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	789 ±243	3.1% ±1.0	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 Adair County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Missouri	United States
Born in the state	16,459 ±602	65.1% ±2.4	65.6% ±0.2	57.3% ±<0.1
Born in another state	7,398 ±607	29.2% ±2.4	29.1% ±0.1	26.9% ±<0.1
Born a citizen outside the states	22 to 118	0.1% to 0.5%	0.8% ±<0.1	1.7% ±<0.1
Born abroad	1,374 ±282	5.4% ±1.1	4.5% ±0.1	14.1% ±<0.1
Naturalized citizens	145 to 455	0.6% to 1.8%	2.3% ±0.1	7.4% ±<0.1
Not citizens	1,074 ±245	4.2% ±1.0	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%.

Adair County among the counties of Missouri

43rd of 115 by population, July 2025. Every one is listed on the Missouri page.

Counties of Missouri near Adair County in population, July 2025
County	July 2025	Change since 2020
Marion County	28,525	+0.2%
Stoddard County	28,284	−1.3%
Dunklin County	26,855	−4.8%
Texas County	25,994	+6.9%
Miller County	25,817	+4.2%
Adair County	25,684	+1.6%
Audrain County	24,528	−1.0%
Randolph County	24,513	+0.2%
McDonald County	23,992	+3.1%
Washington County	23,810	+1.6%
Ray County	23,398	+1.1%

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