Isanti County, Minnesota
Isanti County, Minnesota, has 44,386 residents (July 2025 estimate). Its county seat is Cambridge. It uses Central Time and covers 436 sq mi (1,129 km²) of land.
- Resident population, July 2025
- 44,386
- Land area
- 436 sq mi (1,129 km²)
- County seat or government
- Cambridge
- Time zone
- Central TimeUTC-06:00 in January; UTC-05:00 in July
- Median household income
- $87,440 ± $4,140
- Median home value
- $306,200 ± $8,780
- Median rent, with utilities
- $1,273 ± $63
- Homes lived in by their owners
- 83.7% ± 1.9 points
- County type
- County
- Metro or micro area
- Minneapolis-St. Paul-Bloomington, MN-WI metro areaOutlying county
- Water area
- 15.9 sq mi (41.2 km²)
- State
- Minnesota
- County code (FIPS)
- 27059
- Coordinates (central point)
- 45.562431, -93.296339
These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.
Time zones in Isanti County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| Central TimeAmerica/Chicago | UTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.
ZIP Code areas, largest first
- 5537118,103 people
- 5539817,688 people
- 5500816,729 people
- 5504014,837 people
- 5505614,753 people
- 563539,546 people
- 550798,508 people
- 550708,441 people
- 550063,694 people
- 550803,180 people
- 563583,107 people
- 55017799 people
All 13
- 5502931 people
13 ZIP Code areas overlap Isanti County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.
Official county information
Isanti County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
Townships in Isanti County, largest first
- Bradford Township3,473 people
- Cambridge Township2,534 people
- Stanford Township2,457 people
- Athens Township2,203 people
- Spencer Brook Township1,952 people
- Isanti Township1,871 people
- North Branch Township1,779 people
- Springvale Township1,762 people
- Wyanett Township1,739 people
- Stanchfield Township1,071 people
- Oxford Township910 people
- Maple Ridge Township802 people
All 13
- Dalbo Township794 people
People counts are American Community Survey 2020–2024 5-year estimates. All townships in Minnesota, by county
School districts in Isanti County, largest first
- Elk River School District82,523 people
- St. Francis Area Schools34,557 people
- Cambridge-Isanti Public School District32,911 people
- Princeton Public School District22,358 people
- North Branch Public Schools21,393 people
- Milaca Public School District12,502 people
- Braham Public School District5,828 people
- Ogilvie Public School District3,535 people
Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.
Cities, towns and communities, largest first
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Cambridge, Minnesota (city)10,307 people
- St. Francis, Minnesota (city)8,372 people
- Isanti, Minnesota (city)7,210 people
- Braham, Minnesota (city)1,732 people
- Stanchfield, Minnesota (CDP)100 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Chisago County, Minnesota19 mi east
- Anoka County, Minnesota20 mi south
- Sherburne County, Minnesota24 mi west
- Kanabec County, Minnesota27 mi north
- Mille Lacs County, Minnesota30 mi northwest
- Pine County, Minnesota45 mi northeast
Before using this answer on a form
Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.
Find the county where you are now, check its ZIP area, or check the time zone where you are.
Areas that only touch the edge
These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.