County Maps US

Door County, Wisconsin

A county in Wisconsin, ranked 44 of 72 by population.

CountyFIPS 55029

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

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Population
30,616
+488 (+1.6%) since 2020
Land area
481.9
square miles. A further 79.7% of the total area is water
Population density
63.5
people per square mile, computed rather than published
County seat
Sturgeon Bay
Seat of county government.
Established
1851
174 years ago
Largest city
Sturgeon Bay city
Population 9,917.

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 Door 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 Door County, Wisconsin 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 709 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 Door County ranks

Position among the 72 counties of Wisconsin, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn WisconsinNationally
Population30,61644th of 721,427th of 3,144
Land area481.9 sq mi59th of 722,151st of 3,144
Population density63.5 per sq mi31st of 721,265th of 3,144
Median household income$74,79531st of 72856th of 3,143

Full data for Door County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population30,616Vintage 2025 Population Estimates
Population in 202030,128Vintage 2025 Population Estimates
2020 estimates base?30,073Vintage 2025 Population Estimates
Land area481.9 sq mi2025 Gazetteer Files
Water area1,888 sq mi2025 Gazetteer Files
Total area2,370 sq mi2025 Gazetteer Files
Population density?63.5 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$74,795American Community Survey 2020-2024 5-Year Estimates
Median home value$342,600American Community Survey 2020-2024 5-Year Estimates
Median age54.3American Community Survey 2020-2024 5-Year Estimates
Households14,986American Community Survey 2020-2024 5-Year Estimates
Housing units24,436American 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
-201
189 births, 390 deaths
Net migration
+241
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 8 areas bordering Door 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
Leelanau CountyMichigan53 mi22,982
Kewaunee CountyWisconsin48 mi20,758
Delta CountyMichigan36 mi36,582
Marinette CountyWisconsin32 mi42,574
Menominee CountyMichigan29 mi22,941
Benzie CountyMichigan7.1 mi18,568
Oconto CountyWisconsin6.0 mi40,195
Brown CountyWisconsin0.2 mi275,803

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

All 72 counties of Wisconsin

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

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