Isanti County, Minnesota Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 24th-largest in Minnesota
The population of Isanti County, Minnesota is 41,934 as of the 2023 American Community Survey, making it the 24th-largest county in Minnesota. The median household income is $86,573, the median home value is $283,200, and the median age is 40.1.
The population of Isanti County has grown 15.4% since 2010 (37,856 → 43,687), a +1.03% annualized rate.
41,934
Population
+1.03%
Annual growth
96
People / sq mi
$86,573
Median Income
$283,200
Median Home Value
Isanti County covers 436 sq mi of land at 96.2 people per square mile.
About Isanti County, MN
Homeownership is the standout figure in Isanti County: 83.8% of homes are owner-occupied, higher than the national rate. With 41,934 residents, Isanti County is a county in Minnesota. It ranks #24 among counties in Minnesota by population.
Earnings sit at the high end: a median household income of $86,573, above the US median of $78,538. Only 5.2% of residents live in poverty, below the national 12.4%. Home values run above average at $283,200, with typical rent around $1,241.
19.6% of adults 25 and older hold a bachelor’s degree, below the national average of 35.0%. A solid 11.3% of workers are based at home, below the national 14.0%, and the average commute runs about 33 minutes each way.
The ownership rate anchors the housing story in Isanti County, and tends to move with the age structure and home-value figures above.
Isanti County Population History (2010-2024)
The county of Isanti County had a population of 37,856 in 2010 and 43,687 in 2024, a 15.4% growth over 14 years. The peak was 43,687 in 2024. Average annual growth rate: 1.03%.
43,687
Population (2024)
37,856
Population (2010)
43,687
Peak (2024)
1.03%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 37,856 |
| 2011 | 38,200 |
| 2012 | 38,150 |
| 2013 | 38,066 |
| 2014 | 38,273 |
| 2015 | 38,281 |
| 2016 | 38,763 |
| 2017 | 39,537 |
| 2018 | 39,846 |
| 2019 | 40,447 |
| 2020 | 41,390 |
| 2021 | 41,964 |
| 2022 | 42,725 |
| 2023 | 43,212 |
| 2024 | 43,687 |
Race & Ethnicity
| White | 92.5% |
| Black or African American | 1.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.6% |
| Two or More Races | 0.0% |
Age & Sex
40.1
Median Age
49.4%
Female
50.6%
Male
16.8%
Age 65+
Age Distribution
Children (under 15): 19.2% · Seniors (65+): 16.8%
Income & Poverty
| Median household income | $86,573$-983 vs state |
| Mean household income | $101,811 |
| Per-capita income | $40,123 |
| Poverty rate | 5.2%-0.3% vs state |
| Unemployment rate | 2.8% |
| Employment-to-population | 64.6% |
Top Industries by Employment
The largest employment sector in Isanti County is professional & business services, accounting for 22.3% of workers.
How residents commute
0.6%
Drive alone
1.5%
Carpool
77.9%
Public transit
11.3%
Work from home
32.5 min
Avg commute
Housing
$283,200$-22,300 vs state
Median home value
$1,241
Median rent
83.8%
Homeownership rate
16,976
Total housing units
93.5%
Occupied
6.5%
Vacant
16.2%
Renter-occupied
Social & access
94.6%
With health insurance
95.2%
With broadband internet
15.5%
Foreign-born
8.0%
Veterans (18+)
12.7%
With a disability
96.8%
Speak language other than English at home
Education
92.3%
High School+
19.6%
Bachelor's+
Largest cities in Minnesota
Other counties in Minnesota
Part of Minnesota
Metro areas in Minnesota
County rankings
Frequently Asked Questions
Isanti County, Minnesota has a population of 41,934 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 24th-largest county in Minnesota. Population density is 96 people per square mile.
The population of Isanti County has grown 15.4% since 2010 (37,856 → 43,687), a +1.03% annualized rate.
The median household income in Isanti County, Minnesota is $86,573, with mean (average) household income of $101,811 and per-capita income of $40,123. 5.2% of residents live below the federal poverty level.
In Isanti County, the largest racial and ethnic groups are White (92.5%), Hispanic or Latino (1.6%), Black or African American (1.0%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Isanti County, Minnesota is 40.1 years. Residents are 49.4% female and 50.6% male.
The median home value in Isanti County is $283,200 and median monthly rent is $1,241. 83.8% of occupied housing units are owner-occupied. The county has 16,976 total housing units, 6.5% of which are vacant.
The largest employment sector in Isanti County, Minnesota is professional, scientific, and management services, employing 22.3% of workers. The unemployment rate is 2.8%.
Minneapolis is among the largest cities associated with Isanti County, Minnesota, with a population of 426,845.
Isanti County, MN Climate
Isanti County, MN has an average annual temperature of 6°C (43°F) and receives about 735 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
6°C
Avg Temp
735
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -12° / 10° | 21 mm |
| February | -8° / 17° | 18 mm |
| March | -2° / 29° | 37 mm |
| April | 7° / 45° | 57 mm |
| May | 14° / 58° | 83 mm |
| June | 19° / 66° | 112 mm |
| July | 21° / 70° | 97 mm |
| August | 20° / 68° | 101 mm |
| September | 15° / 59° | 86 mm |
| October | 8° / 47° | 60 mm |
| November | -1° / 30° | 38 mm |
| December | -9° / 16° | 25 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Isanti County, MN
The most comfortable months to visit Isanti County, MN are typically July, August and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 28°C high). The coldest is January (near -18°C low). June is usually the wettest month.
Where to stay near Isanti County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.