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Population Review

Clay County, Minnesota Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates · 16th-largest in Minnesota

The population of Clay County, Minnesota is 65,628 as of the 2023 American Community Survey, making it the 16th-largest county in Minnesota. The median household income is $77,664, the median home value is $256,000, and the median age is 33.5.

The population of Clay County has grown 13.0% since 2010 (59,144 → 66,848), a +0.88% annualized rate.

Clay County within Minnesota · Source: US Census TIGER/Line via us-atlas

65,628

Population

+0.88%

Annual growth

63

People / sq mi

$77,664

Median Income

$256,000

Median Home Value

Clay County covers 1,045 sq mi of land at 62.8 people per square mile.

About Clay County, MN

Clay County is distinguished by its share of foreign-born residents, 54.2% of the population. With 65,628 residents, Clay County is a county in Minnesota. It ranks #16 among counties in Minnesota by population.

The typical household earns $77,664 a year, near the US median of $78,538. The poverty rate, 7.0%, is on the lower side for US counties and below the national 12.4%. Home values run above average at $256,000, with typical rent around $1,000.

The population is unusually well-credentialed for US counties — 39.0% of adults have a four-year degree, above the national 35.0%. About 11.0% of workers primarily work from home, below the national 14.0%, and the average commute runs about 20 minutes each way.

The large foreign-born share is a defining thread in Clay County, shaping language, household composition, and the labor force behind the economic figures above.

Clay County Population History (2010-2024)

The county of Clay County had a population of 59,144 in 2010 and 66,848 in 2024, a 13.0% growth over 14 years. The peak was 66,848 in 2024. Average annual growth rate: 0.88%.

2024 · 67K20102024
Clay County population, 2010–2024 · Source: U.S. Census Bureau — decennial census & Population Estimates

66,848

Population (2024)

59,144

Population (2010)

66,848

Peak (2024)

0.88%

Avg Annual Growth

YearPopulation
201059,144
201159,937
201260,229
201360,567
201461,297
201562,235
201663,090
201763,844
201864,079
201964,441
202065,359
202165,674
202265,989
202366,425
202466,848

Race & Ethnicity

White86.3%
Black or African American4.8%
Asian0.1%
Hispanic or Latino (any race)2.6%
Two or More Races0.2%

Age & Sex

33.5

Median Age

50.2%

Female

49.8%

Male

13.9%

Age 65+

Age Distribution

Under 5
6.5%
5–9
7.3%
10–14
7.0%
15–19
8.3%
20–24
9.6%
25–34
13.2%
35–44
13.5%
45–54
10.4%
55–59
5.0%
60–64
5.2%
65–74
7.8%
75–84
4.0%
85+
2.1%

Children (under 15): 20.8% · Seniors (65+): 13.9%

Income & Poverty

Median household income$77,664$-9,892 vs state
Mean household income$96,841
Per-capita income$38,791
Poverty rate7.0%+1.5% vs state
Unemployment rate2.7%
Employment-to-population67.8%

Top Industries by Employment

Professional & business services
30.6%
Finance & real estate
8.5%
Manufacturing
8.1%
Education & health care
7.5%
Construction
7.0%
Information
6.8%
Public administration
5.4%
Arts, entertainment & food
5.4%

The largest employment sector in Clay County is professional & business services, accounting for 30.6% of workers.

How residents commute

1.2%

Drive alone

3.5%

Carpool

75.2%

Public transit

11.0%

Work from home

19.5 min

Avg commute

Housing

$256,000$-49,500 vs state

Median home value

$1,000

Median rent

66.6%

Homeownership rate

27,241

Total housing units

95.2%

Occupied

4.8%

Vacant

33.4%

Renter-occupied

Social & access

96.4%

With health insurance

94.1%

With broadband internet

54.2%

Foreign-born

5.4%

Veterans (18+)

12.2%

With a disability

92.3%

Speak language other than English at home

Education

95.0%

High School+

39.0%

Bachelor's+

Largest cities in Minnesota

Other counties in Minnesota

Part of Minnesota

Metro areas in Minnesota

County rankings

Frequently Asked Questions

Clay County, Minnesota has a population of 65,628 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 16th-largest county in Minnesota. Population density is 63 people per square mile.

The population of Clay County has grown 13.0% since 2010 (59,144 → 66,848), a +0.88% annualized rate.

The median household income in Clay County, Minnesota is $77,664, with mean (average) household income of $96,841 and per-capita income of $38,791. 7.0% of residents live below the federal poverty level.

In Clay County, the largest racial and ethnic groups are White (86.3%), Black or African American (4.8%), Hispanic or Latino (2.6%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.

The median age in Clay County, Minnesota is 33.5 years. Residents are 50.2% female and 49.8% male.

The median home value in Clay County is $256,000 and median monthly rent is $1,000. 66.6% of occupied housing units are owner-occupied. The county has 27,241 total housing units, 4.8% of which are vacant.

The largest employment sector in Clay County, Minnesota is professional, scientific, and management services, employing 30.6% of workers. The unemployment rate is 2.7%.

Minneapolis is among the largest cities associated with Clay County, Minnesota, with a population of 426,845.

Data from the American Community Survey (ACS) 5-Year estimates.

Source: U.S. Census Bureau ACS, 2026.