Mille Lacs County, Minnesota

A county in Minnesota, ranked 39 of 87 by population.

CountyFIPS 27095

Within Minnesota
Mille Lacs County, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data. The dot marks Milaca, the county seat, located via the 2025 Census Gazetteer.

Download SVGFull Minnesota map downloads

Population
27,753
+1,278 (+4.8%) since 2020
Land area
572.3
square miles. A further 16.0% of the total area is water
Population density
48.5
people per square mile, computed rather than published
County seat
Milaca
Seat of county government.
Established
1857
168 years ago
Largest city
Princeton city
Population 5,209 for the whole place, which extends beyond this county.

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 Mille Lacs 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 Mille Lacs 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 361 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 Mille Lacs 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
Population27,75339th of 871,518th of 3,144
Land area572.3 sq mi56th of 871,752nd of 3,144
Population density48.5 per sq mi29th of 871,503rd of 3,144
Median household income$72,72950th of 87997th of 3,143

Full data for Mille Lacs County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population27,753Vintage 2025 Population Estimates
Population in 202026,475Vintage 2025 Population Estimates
2020 estimates base?26,481Vintage 2025 Population Estimates
Land area572.3 sq mi2025 Gazetteer Files
Water area109.3 sq mi2025 Gazetteer Files
Total area681.6 sq mi2025 Gazetteer Files
Population density?48.5 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$72,729American Community Survey 2020-2024 5-Year Estimates
Median home value$258,300American Community Survey 2020-2024 5-Year Estimates
Median age41.2American Community Survey 2020-2024 5-Year Estimates
Households10,672American Community Survey 2020-2024 5-Year Estimates
Housing units13,069American 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
-16
327 births, 343 deaths
Net migration
+90
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 Mille Lacs 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
Kanabec CountyMinnesota33 mi16,628
Morrison CountyMinnesota25 mi34,620
Aitkin CountyMinnesota24 mi16,252
Benton CountyMinnesota18 mi41,744
Isanti CountyMinnesota12 mi44,386
Sherburne CountyMinnesota12 mi104,194
Crow Wing CountyMinnesota6.7 mi69,132

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.