Demographics of Aitkin County, Minnesota

Aitkin County, Minnesota had 16,252 people on July 1, 2025, by the Census Bureau’s estimate: +544 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.

Aitkin County, in four figures

16,252
Population: July 1, 2025, Vintage 2025 estimate.; +3.5%
Change since July 2020: +544 people.; 56.9 ±0.4
Median age: ACS 2020–⁠2024.; $60,833 ±$1,982
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.

Aitkin County, Minnesota's population grew 3.5% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Aitkin County, Minnesota'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

Aitkin County, Minnesota's population grew 3.5% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Aitkin County, Minnesota'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	15,708	100.0	100.0
2021	15,954	101.6	100.2
2022	16,148	102.8	100.7
2023	16,131	102.7	101.6
2024	16,283	103.7	102.5
2025	16,252	103.5	103.1

3 more columns on a wider screen

Population of Aitkin County, Minnesota on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	15,708	+19	−19	0	+45
2021	15,954	+246	−154	+1	+424
2022	16,148	+194	−150	+9	+298
2023	16,131	−17	−111	+3	+86
2024	16,283	+152	−140	+4	+290
2025	16,252	−31	−143	+4	+111

Age, 2020–2024

The median age is 56.9 ±0.4: for men 57.1 ±0.3 and for women 56.6 ±0.5. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

2 more columns on a wider screen

People in Aitkin County by age, ACS 2020–2024
Age	People	Share	Minnesota	United States
Under 5	587 ±37	3.7% ±0.2	5.8% ±<0.1	5.6% ±<0.1
5 to 17	1,923 ±89	12.0% ±0.6	17.0% ±0.1	16.3% ±<0.1
18 to 24	873 ±90	5.4% ±0.6	8.8% ±0.1	9.1% ±<0.1
25 to 44	2,573 ±94	16.0% ±0.6	26.6% ±0.1	26.9% ±<0.1
45 to 64	4,578 ±128	28.5% ±0.8	24.5% ±0.1	24.8% ±<0.1
65 and over	5,522 ±191	34.4% ±1.2	17.3% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $60,833 ±$1,982, and income per person $36,503 ±$1,330, in 2024 dollars. The median is $89,062 ±$409 in Minnesota and $80,734 ±$166 in the United States.

Households by income

2 more columns on a wider screen

Households in Aitkin County by income, ACS 2020–2024
Household income	Households	Share	Minnesota	United States
Under $25,000	1,524 ±140	21.1% ±1.9	11.7% ±0.2	14.6% ±<0.1
$25,000 to $49,999	1,465 ±121	20.3% ±1.6	14.9% ±0.2	16.7% ±<0.1
$50,000 to $74,999	1,367 ±113	18.9% ±1.5	15.6% ±0.2	15.5% ±<0.1
$75,000 to $99,999	1,037 ±97	14.4% ±1.3	13.2% ±0.1	12.6% ±<0.1
$100,000 to $149,999	1,093 ±113	15.1% ±1.5	19.6% ±0.2	17.5% ±<0.1
$150,000 to $199,999	441 ±58	6.1% ±0.8	11.2% ±0.2	9.6% ±<0.1
$200,000 or more	295 ±45	4.1% ±0.6	13.8% ±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).

2 more columns on a wider screen

Poverty rate in Aitkin County by age, ACS 2020–2024
Age	Below poverty	Rate	Minnesota	United States
All ages	2,075 ±228	13.1% ±1.4	9.3% ±0.2	12.5% ±0.1
Under 18	360 ±87	14.6% ±3.4	10.3% ±0.3	16.1% ±0.1
18 to 59	874 ±125	13.7% ±1.9	9.1% ±0.2	11.6% ±0.1
60 and over	841 ±104	12.1% ±1.4	8.7% ±0.2	11.0% ±<0.1

Housing, 2020–2024

1 more column on a wider screen

Housing in Aitkin County, ACS 2020–2024
Measure	Aitkin County	Minnesota	United States
Housing units	14,253 ±41	2,545,030 ±1,535	143,775,355 ±10,234
Occupied	50.7% ±1.2	90.7% ±0.2	89.9% ±0.1
Vacant	49.3% ±1.1	9.3% ±0.2	10.1% ±0.1
Owner occupied	85.3% ±1.1	72.2% ±0.3	65.2% ±0.3
Renter occupied	14.7% ±1.5	27.8% ±0.2	34.8% ±0.1
Median home value	$255,800 ±$8,382	$329,300 ±$903	$332,700 ±$236
Median gross rent	$869 ±$73	$1,280 ±$7	$1,413 ±$2
Median year built	1982 ±2	1979 ±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

2 more columns on a wider screen

People in Aitkin County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Minnesota	United States
Hispanic or Latino	244 ±0	1.5% ±<0.1	6.4% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	14,857 ±51	92.5% ±0.3	75.9% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	103 ±28	0.6% ±0.2	6.9% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	38 ±18	0.2% ±0.1	5.1% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	225 ±45	1.4% ±0.3	0.7% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	1 to 15	< 0.1% to 0.1%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	108 ±45	0.7% ±0.3	0.5% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	473 ±63	2.9% ±0.4	4.5% ±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).

2 more columns on a wider screen

People in Aitkin County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Minnesota	United States
Born in the state	12,938 ±210	80.6% ±1.3	67.1% ±0.2	57.3% ±<0.1
Born in another state	2,904 ±201	18.1% ±1.3	23.4% ±0.1	26.9% ±<0.1
Born a citizen outside the states	67 ±24	0.4% ±0.1	0.9% ±<0.1	1.7% ±<0.1
Born abroad	147 ±41	0.9% ±0.3	8.7% ±0.1	14.1% ±<0.1
Naturalized citizens	102 ±35	0.6% ±0.2	5.1% ±0.1	7.4% ±<0.1
Not citizens	45 ±20	0.3% ±0.1	3.6% ±0.1	6.8% ±<0.1

Aitkin County among the counties of Minnesota

53rd of 87 by population, July 2025. Every one is listed on the Minnesota page.

Counties of Minnesota near Aitkin County in population, July 2025
County	July 2025	Change since 2020
Dodge County	21,376	+2.3%
Martin County	19,440	−2.8%
Waseca County	18,688	−1.5%
Houston County	18,400	−2.4%
Kanabec County	16,628	+3.6%
Aitkin County	16,252	+3.5%
Sibley County	15,356	+3.6%
Redwood County	15,265	−1.0%
Roseau County	15,246	−0.3%
Wadena County	14,388	+1.9%
Renville County	14,356	−2.3%

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