County Maps US

Chisago County, Minnesota

A county in Minnesota, ranked 18 of 87 by population.

CountyFIPS 27025

Within Minnesota
Chisago County, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data.

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Population
59,142
+2,419 (+4.3%) since 2020
Land area
414.9
square miles. A further 6.2% of the total area is water
Population density
143
people per square mile, computed rather than published
County seat
Center City
Seat of county government.
Established
1851
174 years ago
Largest city
North Branch city
Population 12,398.

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.

Satellite view

Aerial imagery of Chisago County with its boundary drawn on top. A map shows you the shape; this shows you what is inside it, and which side of the line a place falls on.

Aerial view of Chisago County, Minnesota from the USGS National Map, with its boundary outlined
Imagery: USGS National Map, USGS Imagery Only, public domain, requested from USGS by your browser when you reach this point on the page, at 656 by 800 pixels. The boundary is the 2025 Census cartographic boundary file, reprojected to Web Mercator to match the imagery. You can also open the USGS National Map viewer.

Where Chisago County ranks

Position among the 87 counties of Minnesota, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn MinnesotaNationally
Population59,14218th of 87904th of 3,144
Land area414.9 sq mi82nd of 872,438th of 3,144
Population density143 per sq mi11th of 87722nd of 3,144
Median household income$99,4008th of 87177th of 3,143

Full data for Chisago County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population59,142Vintage 2025 Population Estimates
Population in 202056,723Vintage 2025 Population Estimates
2020 estimates base?56,624Vintage 2025 Population Estimates
Land area414.9 sq mi2025 Gazetteer Files
Water area27.5 sq mi2025 Gazetteer Files
Total area442.4 sq mi2025 Gazetteer Files
Population density?143 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$99,400American Community Survey 2020-2024 5-Year Estimates
Median home value$351,900American Community Survey 2020-2024 5-Year Estimates
Median age40.8American Community Survey 2020-2024 5-Year Estimates
Households21,364American Community Survey 2020-2024 5-Year Estimates
Housing units22,998American Community Survey 2020-2024 5-Year Estimates

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Population density is computed here, not published: it divides the Vintage 2025 population estimate by the 2025 Gazetteer land area, which are two different Census products. Retrieved 30 August 2026.

How the population changed

The Census Bureau publishes the components behind an estimate, not just the total. For the year to July 2025:

Births minus deaths
+61
592 births, 531 deaths
Net migration
+130
More people moved in than moved out.

Source: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026. Retrieved 30 August 2026.

The 7 areas bordering Chisago County

Ordered by the length of the border actually shared, which the Census Bureau publishes in its county adjacency file and which no other county reference presents.

Bordering areaStateShared borderPopulation
Polk CountyWisconsin35 mi45,803
Isanti CountyMinnesota28 mi44,386
Pine CountyMinnesota15 mi30,472
Washington CountyMinnesota13 mi286,895
Anoka CountyMinnesota7.9 mi381,605
Burnett CountyWisconsin7.1 mi17,223
Kanabec CountyMinnesotaa single point16,628

Source: US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. Retrieved 30 August 2026.

All 87 counties of Minnesota

Open the interactive Minnesota county map, or jump straight to any of them.

Data on this page last rebuilt 30 August 2026. How these figures are produced.