Demographics of Miller County, Arkansas

Miller County, Arkansas had 42,357 people on July 1, 2025, by the Census Bureau’s estimate: −229 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.

Miller County, in four figures

42,357
Population: July 1, 2025, Vintage 2025 estimate.; −0.5%
Change since July 2020: −229 people.; 39.3 ±0.9
Median age: ACS 2020–⁠2024.; $48,836 ±$3,086
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.

Miller County, Arkansas's population shrank 0.5% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Miller County, Arkansas'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

Miller County, Arkansas's population shrank 0.5% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Miller County, Arkansas'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	42,586	100.0	100.0
2021	42,460	99.7	100.2
2022	42,501	99.8	100.7
2023	42,472	99.7	101.6
2024	42,360	99.5	102.5
2025	42,357	99.5	103.1

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Population of Miller County, Arkansas on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	42,586	−10	−6	0	−16
2021	42,460	−126	−121	−5	−29
2022	42,501	+41	−86	−26	+169
2023	42,472	−29	−87	+24	+42
2024	42,360	−112	−110	+11	−10
2025	42,357	−3	−166	−38	+198

Age, 2020–2024

The median age is 39.3 ±0.9: for men 37.2 ±1.4 and for women 41.3 ±1.4. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Miller County by age, ACS 2020–2024
Age	People	Share	Arkansas	United States
Under 5	2,435 ±75	5.7% ±0.2	5.9% ±<0.1	5.6% ±<0.1
5 to 17	7,464 ±439	17.6% ±1.0	17.2% ±0.1	16.3% ±<0.1
18 to 24	3,655 ±441	8.6% ±1.0	9.4% ±0.1	9.1% ±<0.1
25 to 44	10,878 ±561	25.7% ±1.3	25.7% ±0.1	26.9% ±<0.1
45 to 64	10,682 ±473	25.2% ±1.1	24.3% ±0.1	24.8% ±<0.1
65 and over	7,246 ±515	17.1% ±1.2	17.6% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $48,836 ±$3,086, and income per person $28,381 ±$1,807, in 2024 dollars. The median is $60,773 ±$467 in Arkansas and $80,734 ±$166 in the United States.

Households by income

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Households in Miller County by income, ACS 2020–2024
Household income	Households	Share	Arkansas	United States
Under $25,000	4,416 ±504	27.0% ±3.0	19.9% ±0.3	14.6% ±<0.1
$25,000 to $49,999	3,954 ±538	24.2% ±3.2	22.0% ±0.3	16.7% ±<0.1
$50,000 to $74,999	3,056 ±449	18.7% ±2.7	17.4% ±0.3	15.5% ±<0.1
$75,000 to $99,999	1,601 ±269	9.8% ±1.6	12.8% ±0.2	12.6% ±<0.1
$100,000 to $149,999	1,978 ±328	12.1% ±2.0	15.0% ±0.3	17.5% ±<0.1
$150,000 to $199,999	740 ±217	4.5% ±1.3	6.2% ±0.2	9.6% ±<0.1
$200,000 or more	614 ±166	3.8% ±1.0	6.7% ±0.2	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 Miller County by age, ACS 2020–2024
Age	Below poverty	Rate	Arkansas	United States
All ages	10,093 ±1,103	24.6% ±2.7	16.0% ±0.2	12.5% ±0.1
Under 18	3,225 ±490	33.5% ±4.5	21.1% ±0.5	16.1% ±0.1
18 to 59	5,142 ±676	23.9% ±3.0	15.3% ±0.3	11.6% ±0.1
60 and over	1,726 ±319	17.3% ±3.1	12.6% ±0.3	11.0% ±<0.1

Housing, 2020–2024

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Housing in Miller County, ACS 2020–2024
Measure	Miller County	Arkansas	United States
Housing units	19,844 ±47	1,394,673 ±514	143,775,355 ±10,234
Occupied	82.4% ±2.0	86.5% ±0.3	89.9% ±0.1
Vacant	17.6% ±2.0	13.5% ±0.3	10.1% ±0.1
Owner occupied	64.4% ±2.4	66.4% ±0.4	65.2% ±0.3
Renter occupied	35.6% ±2.7	33.6% ±0.3	34.8% ±0.1
Median home value	$153,900 ±$13,559	$188,000 ±$1,754	$332,700 ±$236
Median gross rent	$892 ±$47	$947 ±$6	$1,413 ±$2
Median year built	1983 ±3	1987 ±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 Miller County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Arkansas	United States
Hispanic or Latino	1,754 ±0	4.1% ±<0.1	9.0% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	27,869 ±297	65.8% ±0.7	67.4% ±0.2	57.4% ±<0.1
Black alone, not Hispanic	10,673 ±279	25.2% ±0.7	14.6% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	326 ±22	0.8% ±0.1	1.6% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	258 ±86	0.6% ±0.2	0.3% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 28	0% to 0.1%	0.4% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	7 to 153	< 0.1% to 0.4%	0.3% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	1,400 ±430	3.3% ±1.0	6.3% ±0.2	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 Miller County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Arkansas	United States
Born in the state	12,441 ±955	29.4% ±2.3	60.4% ±0.2	57.3% ±<0.1
Born in another state	29,089 ±942	68.7% ±2.2	33.5% ±0.2	26.9% ±<0.1
Born a citizen outside the states	81 to 243	0.2% to 0.6%	0.7% ±<0.1	1.7% ±<0.1
Born abroad	668 ±207	1.6% ±0.5	5.4% ±0.1	14.1% ±<0.1
Naturalized citizens	426 ±179	1.0% ±0.4	1.9% ±0.1	7.4% ±<0.1
Not citizens	104 to 380	0.2% to 0.9%	3.6% ±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%.

Miller County among the counties of Arkansas

17th of 75 by population, July 2025. Every one is listed on the Arkansas page.

Counties of Arkansas near Miller County in population, July 2025
County	July 2025	Change since 2020
Jefferson County	62,987	−5.7%
Crawford County	62,657	+4.1%
Greene County	47,411	+3.4%
Crittenden County	46,210	−3.9%
Baxter County	42,982	+3.1%
Miller County	42,357	−0.5%
Independence County	38,785	+2.2%
Boone County	38,628	+3.3%
Mississippi County	37,828	−6.7%
Union County	36,926	−5.2%
Hot Spring County	33,451	+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