Demographics of Blue Earth County, Minnesota

Blue Earth County, Minnesota had 70,634 people on July 1, 2025, by the Census Bureau’s estimate: +1,432 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.

Blue Earth County, in four figures

70,634
Population: July 1, 2025, Vintage 2025 estimate.; +2.1%
Change since July 2020: +1,432 people.; 31.6 ±0.2
Median age: ACS 2020–⁠2024.; $74,477 ±$2,447
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.

Blue Earth County, Minnesota's population grew 2.1% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Blue Earth 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).

Source: The Census Bureau

About this chart

The figures

Blue Earth County, Minnesota's population grew 2.1% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Blue Earth 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	69,202	100.0	100.0
2021	69,387	100.3	100.2
2022	70,108	101.3	100.7
2023	70,328	101.6	101.6
2024	70,200	101.4	102.5
2025	70,634	102.1	103.1

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Population of Blue Earth 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	69,202	+85	+45	+3	+13
2021	69,387	+185	+152	+86	−108
2022	70,108	+721	+76	+253	+391
2023	70,328	+220	+144	+293	−215
2024	70,200	−128	+69	+244	−441
2025	70,634	+434	+57	+199	+175

Age, 2020–2024

The median age is 31.6 ±0.2: for men 30.9 ±0.3 and for women 32.4 ±0.6. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Blue Earth County by age, ACS 2020–2024
Age	People	Share	Minnesota	United States
Under 5	3,493 ±134	5.0% ±0.2	5.8% ±<0.1	5.6% ±<0.1
5 to 17	10,293 ±394	14.7% ±0.6	17.0% ±0.1	16.3% ±<0.1
18 to 24	15,204 ±909	21.8% ±1.3	8.8% ±0.1	9.1% ±<0.1
25 to 44	16,857 ±529	24.1% ±0.8	26.6% ±0.1	26.9% ±<0.1
45 to 64	13,368 ±456	19.1% ±0.7	24.5% ±0.1	24.8% ±<0.1
65 and over	10,656 ±498	15.3% ±0.7	17.3% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $74,477 ±$2,447, and income per person $37,155 ±$1,139, in 2024 dollars. The median is $89,062 ±$409 in Minnesota and $80,734 ±$166 in the United States.

Households by income

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Households in Blue Earth County by income, ACS 2020–2024
Household income	Households	Share	Minnesota	United States
Under $25,000	4,114 ±494	14.9% ±1.8	11.7% ±0.2	14.6% ±<0.1
$25,000 to $49,999	4,984 ±508	18.1% ±1.8	14.9% ±0.2	16.7% ±<0.1
$50,000 to $74,999	4,822 ±553	17.5% ±2.0	15.6% ±0.2	15.5% ±<0.1
$75,000 to $99,999	4,145 ±399	15.0% ±1.4	13.2% ±0.1	12.6% ±<0.1
$100,000 to $149,999	5,002 ±379	18.1% ±1.4	19.6% ±0.2	17.5% ±<0.1
$150,000 to $199,999	2,655 ±306	9.6% ±1.1	11.2% ±0.2	9.6% ±<0.1
$200,000 or more	1,884 ±220	6.8% ±0.8	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).

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Poverty rate in Blue Earth County by age, ACS 2020–2024
Age	Below poverty	Rate	Minnesota	United States
All ages	10,363 ±1,017	15.7% ±1.5	9.3% ±0.2	12.5% ±0.1
Under 18	1,556 ±289	11.4% ±2.1	10.3% ±0.3	16.1% ±0.1
18 to 59	7,910 ±939	20.4% ±2.3	9.1% ±0.2	11.6% ±0.1
60 and over	897 ±176	6.5% ±1.3	8.7% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Blue Earth County, ACS 2020–2024
Measure	Blue Earth County	Minnesota	United States
Housing units	29,864 ±67	2,545,030 ±1,535	143,775,355 ±10,234
Occupied	92.4% ±1.2	90.7% ±0.2	89.9% ±0.1
Vacant	7.6% ±1.2	9.3% ±0.2	10.1% ±0.1
Owner occupied	61.4% ±1.4	72.2% ±0.3	65.2% ±0.3
Renter occupied	38.6% ±1.6	27.8% ±0.2	34.8% ±0.1
Median home value	$266,700 ±$6,335	$329,300 ±$903	$332,700 ±$236
Median gross rent	$1,123 ±$53	$1,280 ±$7	$1,413 ±$2
Median year built	1978 ±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

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People in Blue Earth County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Minnesota	United States
Hispanic or Latino	3,369 ±0	4.8% ±<0.1	6.4% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	58,955 ±135	84.4% ±0.2	75.9% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	3,337 ±366	4.8% ±0.5	6.9% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	1,596 ±176	2.3% ±0.3	5.1% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	106 ±41	0.2% ±0.1	0.7% ±<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	68 to 202	0.1% to 0.3%	0.5% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	2,373 ±440	3.4% ±0.6	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).

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People in Blue Earth County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Minnesota	United States
Born in the state	53,530 ±728	76.6% ±1.0	67.1% ±0.2	57.3% ±<0.1
Born in another state	12,257 ±683	17.5% ±1.0	23.4% ±0.1	26.9% ±<0.1
Born a citizen outside the states	343 ±116	0.5% ±0.2	0.9% ±<0.1	1.7% ±<0.1
Born abroad	3,741 ±455	5.4% ±0.7	8.7% ±0.1	14.1% ±<0.1
Naturalized citizens	2,123 ±364	3.0% ±0.5	5.1% ±0.1	7.4% ±<0.1
Not citizens	1,618 ±311	2.3% ±0.4	3.6% ±0.1	6.8% ±<0.1

Blue Earth County among the counties of Minnesota

13th of 87 by population, July 2025. Every one is listed on the Minnesota page.

Counties of Minnesota near Blue Earth County in population, July 2025
County	July 2025	Change since 2020
Stearns County	164,110	+3.6%
Scott County	159,017	+5.1%
Wright County	157,559	+11.1%
Carver County	114,379	+6.6%
Sherburne County	104,194	+6.8%
Blue Earth County	70,634	+2.1%
Rice County	69,939	+4.2%
Crow Wing County	69,132	+4.3%
Clay County	67,734	+3.6%
Otter Tail County	61,041	+1.6%
Chisago County	59,142	+4.3%

Elsewhere on the site

Rankings this appears in

No. 13 Counties by population in Minnesota
No. 28 Counties by population growth in Minnesota

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

Compiled automatically from Census Bureau population estimates — counties and Puerto Rico municipios, with components of change and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026