Demographics of Benton County, Missouri

Benton County, Missouri had 20,536 people on July 1, 2025, by the Census Bureau’s estimate: +1,105 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.

Benton County, in four figures

20,536
Population: July 1, 2025, Vintage 2025 estimate.; +5.7%
Change since July 2020: +1,105 people.; 54.5 ±0.3
Median age: ACS 2020–⁠2024.; $52,567 ±$3,278
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.

Benton County, Missouri's population grew 5.7% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Benton 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

Benton County, Missouri's population grew 5.7% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Benton 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	19,431	100.0	100.0
2021	19,963	102.7	100.2
2022	20,239	104.2	100.7
2023	20,568	105.9	101.6
2024	20,536	105.7	102.5
2025	20,536	105.7	103.1

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Population of Benton 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	19,431	+34	−46	0	+89
2021	19,963	+532	−203	−1	+782
2022	20,239	+276	−241	−5	+490
2023	20,568	+329	−197	+1	+514
2024	20,536	−32	−230	+4	+192
2025	20,536	0	−243	+3	+244

Age, 2020–2024

The median age is 54.5 ±0.3: for men 54.3 ±0.4 and for women 54.9 ±0.3. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Benton County by age, ACS 2020–2024
Age	People	Share	Missouri	United States
Under 5	806 ±31	4.0% ±0.2	5.8% ±<0.1	5.6% ±<0.1
5 to 17	2,680 ±224	13.3% ±1.1	16.6% ±0.1	16.3% ±<0.1
18 to 24	1,254 ±174	6.2% ±0.9	9.1% ±0.1	9.1% ±<0.1
25 to 44	3,231 ±236	16.0% ±1.2	26.0% ±0.1	26.9% ±<0.1
45 to 64	5,858 ±324	29.1% ±1.6	24.6% ±0.1	24.8% ±<0.1
65 and over	6,322 ±396	31.4% ±2.0	17.9% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $52,567 ±$3,278, and income per person $32,477 ±$5,132, 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 Benton County by income, ACS 2020–2024
Household income	Households	Share	Missouri	United States
Under $25,000	2,227 ±346	26.0% ±3.9	15.8% ±0.2	14.6% ±<0.1
$25,000 to $49,999	1,827 ±257	21.3% ±2.9	19.6% ±0.2	16.7% ±<0.1
$50,000 to $74,999	1,678 ±243	19.6% ±2.7	17.4% ±0.2	15.5% ±<0.1
$75,000 to $99,999	1,126 ±187	13.1% ±2.1	13.2% ±0.2	12.6% ±<0.1
$100,000 to $149,999	1,144 ±220	13.3% ±2.5	17.1% ±0.2	17.5% ±<0.1
$150,000 to $199,999	352 ±114	4.1% ±1.3	8.2% ±0.1	9.6% ±<0.1
$200,000 or more	219 ±84	2.6% ±1.0	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 Benton County by age, ACS 2020–2024
Age	Below poverty	Rate	Missouri	United States
All ages	3,946 ±631	19.9% ±3.2	12.6% ±0.2	12.5% ±0.1
Under 18	952 ±231	27.8% ±6.1	15.8% ±0.4	16.1% ±0.1
18 to 59	1,679 ±348	19.9% ±3.9	12.0% ±0.2	11.6% ±0.1
60 and over	1,315 ±258	16.4% ±3.1	10.9% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Benton County, ACS 2020–2024
Measure	Benton County	Missouri	United States
Housing units	13,594 ±37	2,825,287 ±1,043	143,775,355 ±10,234
Occupied	63.1% ±2.2	88.8% ±0.2	89.9% ±0.1
Vacant	36.9% ±2.2	11.2% ±0.2	10.1% ±0.1
Owner occupied	83.8% ±1.4	68.1% ±0.3	65.2% ±0.3
Renter occupied	16.2% ±2.5	31.9% ±0.2	34.8% ±0.1
Median home value	$177,900 ±$14,266	$230,300 ±$880	$332,700 ±$236
Median gross rent	$773 ±$55	$1,033 ±$6	$1,413 ±$2
Median year built	1985 ±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 Benton County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Missouri	United States
Hispanic or Latino	411 ±0	2.0% ±<0.1	5.2% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	18,460 ±245	91.6% ±1.2	76.3% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	193 ±54	1.0% ±0.3	10.9% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	9 to 55	< 0.1% to 0.3%	2.1% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	30 to 140	0.1% to 0.7%	0.2% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 104	0% to 0.5%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	17 to 175	0.1% to 0.9%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	828 ±236	4.1% ±1.2	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 Benton County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Missouri	United States
Born in the state	12,548 ±562	62.3% ±2.8	65.6% ±0.2	57.3% ±<0.1
Born in another state	7,196 ±555	35.7% ±2.8	29.1% ±0.1	26.9% ±<0.1
Born a citizen outside the states	220 ±82	1.1% ±0.4	0.8% ±<0.1	1.7% ±<0.1
Born abroad	187 ±82	0.9% ±0.4	4.5% ±0.1	14.1% ±<0.1
Naturalized citizens	69 to 225	0.3% to 1.1%	2.3% ±0.1	7.4% ±<0.1
Not citizens	9 to 71	< 0.1% 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%.

Benton County among the counties of Missouri

54th of 115 by population, July 2025. Every one is listed on the Missouri page.

Counties of Missouri near Benton County in population, July 2025
County	July 2025	Change since 2020
Saline County	23,265	−0.3%
Crawford County	22,929	−0.4%
Henry County	22,671	+3.2%
Morgan County	22,418	+6.8%
Clinton County	21,661	+2.1%
Benton County	20,536	+5.7%
Nodaway County	20,174	−4.0%
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%

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