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Isanti County, MN
4 cities and towns and 7 ZIP codes in Isanti County, Minnesota.
Population
42,596
Land area
436sq mi
People per sq mi
98
ZIP codes
7
Cities and towns in Isanti County
Isanti County at a glance
- Isanti County is 36% denser than Minnesota as a whole.
- The median household income is $87,440, close to the Minnesota median.
- A typical owner-occupied home is valued at $306,200 (7% below Minnesota) and median rent is $1,273 a month.
- The biggest population centers are Cambridge (10,307), Isanti (7,210) and Braham (1,732).
Local data for Isanti County, MN
Counts from official public data
Housing and community stats
Isanti County, MN, American Community Survey 2020-2024
Median household income
$87,440
Poverty rate
7.5%
Median home value
$306,200
Prices +2.8% in a year
Median rent
$1,273/mo
Homeownership
83.7%
Bachelor's or higher
20.7%
Median age
40.2
Average commute
30.7 min
Largest reported origins and ancestries: German Americans (11,876), Swedish Americans (5,349), Norwegian Americans (5,293).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
5.6%
Aug 2026, +0.7 pts in a year
Average annual pay
$52,108
11,167 jobs, 2025
Income per person
$56,741
BEA, 2024
Federal spending
$296M
FY 2026, $7,189 per person
PPP loans
$59.42M
1,074 loans, 7,971 jobs reported
Campaign donations
$73.47K
Itemized, 2026 cycle
How people get to work
Isanti County, MN, workers 16 and older. American Community Survey 5-year estimates
- Drove alone76.4%
- Carpooled7.4%
- Public transit0.7%
- Walked1.9%
- Bicycle0.4%
- Taxi, ride-hailing, motorcycle or other1.1%
- Worked from home12.2%
Average one-way commute: 30.7 minutes for people who do not work from home.
Environment and hazard risk
Isanti County, MN, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: wildfire
Storm events since 1996
338
Most often hail
Flood insurance policies
63
0.3% of homes, county
July high / Jan low
82° / 4°F
29.7 inches of rain a year
Hazards, floods and storm historyCheck a flood zone8 historic places
Health statistics
Share of adults in Isanti County, MN, CDC PLACES estimates
Obesity
32.8%
U.S. 33.3% -0.5 pts
Diabetes
10.5%
U.S. 12.1% -1.6 pts
Smoking
16.2%
U.S. 12.8% +3.4 pts
Uninsured (18-64)
8.0%
U.S. 11.1% -3.1 pts
Cities, towns and ZIP codes in Isanti County
Population shown
Frequently asked questions
- What is the largest city in Isanti County, MN?
- Cambridge is the largest city or town in Isanti County, with about 10,307 residents.
- How many ZIP codes are in Isanti County?
- Isanti County includes 7 ZIP Code Tabulation Areas, including 55008, 55017, 55029, 55040, 55070.
- What is the population of Isanti County, MN?
- About 42,596 people live in Isanti County, based on American Community Survey 5-year estimates.
- What counties border Isanti County?
- Isanti County borders Anoka County, Sherburne County, Chisago County, Pine County, Mille Lacs County, Kanabec County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023