- county
- FIPS 55075
- Largest town: Marinette
Marinette County, Wisconsin
Marinette County had 42,343 residents in the Census Vintage 2024 estimate, on 1,399.5 square miles of land. It ranks 36th of 72 in Wisconsin by population and 3rd by land area.
- Population
- 42,343
- #36 of 72 in Wisconsin · #1,143 in US
- Area
- 1,399.5 sq mi
- #3 of 72 in Wisconsin · #431 in US
- Density
- 30 / sq mi
- #52 of 72 in Wisconsin · #1,921 in US
- Median household income
- $62,650
- #60 of 72 in Wisconsin · #1,590 in US
Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area
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Marinette County population, land area and income
Marinette County had 42,343 residents in the Census Vintage 2024 estimate, on 1,399.5 square miles of land. It ranks 36th of 72 in Wisconsin by population and 3rd by land area. That works out to 30.3 people per square mile, below the US average of 96.3, and below the national county median.
The median county-equivalent in Wisconsin has 41,821 residents, about the same as Marinette County.
Its SAIPE 2023 median household income of $62,650 is below the national county median among 3,143 counties with an estimate.
National rank among 3,144
Population
42,343
1143rd of 3,144 (US)
Land area
1,399 sq mi
431st of 3,144 (US)
Density
30.3 / sq mi
1921st of 3,144 (US)
Median household income
$62,650
1590th of 3,143 (US)
Rank within Wisconsin (72)
Population
42,343
36th of 72 (WI)
Land area
1,399 sq mi
3rd of 72 (WI)
Density
30.3 / sq mi
52nd of 72 (WI)
Median household income
$62,650
60th of 72 (WI)
How Marinette County's population changed since 2020
Marinette County gained 443 residents between the July 2020 and July 2024 estimates, a rise of 1.1%. That ranks 34th of 72 in Wisconsin for growth. The median Wisconsin county changed by +1.0%, and the state as a whole by +1.1%.
Since the April 2020 estimates base, Marinette County recorded 1,584 births and 2,677 deaths, a natural change of -1,093. Net international migration added +120 and net domestic migration, people moving to or from other US counties, came to +1,412. The largest single component was domestic migration, which added 1,412 people.
Components of change, April 2020 to July 2024
- Births
- 1,584
- Deaths
- 2,677
- Net international migration
- +120
- Net domestic migration
- +1,412
- Change, July 2023 to July 2024
- +230
Where Marinette County is
The Census internal point of Marinette County is at 45.346900, -87.991200. It sits in UTM zone 16N. The map shades Wisconsin's 72 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Marinette County outlined. Dots are towns of 1,000+ people with residents in it.
- < +0.1%
- < +0.7%
- < +1.3%
- < +2.3%
- ≥ +2.3%
Orange pin: Marinette County internal point. Dark pin: Madison.
Internal point
- Decimal
- 45.346900, -87.991200
- DMS
- 45°20'48.84"N 87°59'28.32"W
- UTM
- 16N 422351.2E 5021965.6N
- Geohash
- f013vxnub
- Plus code
- 86QJ82W5+QG
Towns in Marinette County
4 incorporated places of 1,000+ people have residents in Marinette County, 17,245 people together, or 41% of the county. Each figure counts only the part of the town inside Marinette County; towns marked "part" extend into another county. The largest is Marinette with 11,139.
Counties bordering Marinette County
The Census 2024 county adjacency file lists 6 neighbors for Marinette County, including 2 across a state line. The most populous is Oconto County, WI, with 40,037 residents. Distances run between Census internal points in a straight line.
Distance to Madison and the nearest big city
Madison is 171.5 miles SSW of Marinette County's internal point in a straight line. The nearest place of 100,000 or more is Green Bay, WI (population 106,311), 57.0 miles away. The nearest place of 10,000 or more is Marinette, WI (population 11,139), 25.0 miles away.
Marinette County FIPS code
The FIPS code of Marinette County is 55075: state code 55 for Wisconsin plus county code 075. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $62,650.
Questions people ask
What is the population of Marinette County, Wisconsin?
The Census Vintage 2024 estimate for July 1, 2024 is 42,343. That is up 443 people (1.1%) from the July 2020 estimate of 41,900.
What is the FIPS code of Marinette County?
55075. The first two digits (55) are Wisconsin; the last three (075) identify the county.
What is the largest town in Marinette County?
Marinette, with 11,139 residents inside Marinette County in 2024.
Which counties border Marinette County?
6 county-equivalents border it in the Census 2024 adjacency file: Oconto County, WI; Door County, WI; Dickinson County, MI; Menominee County, MI; Forest County, WI; Florence County, WI.
Sources and data as of
Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.
- 01Census Vintage 2024 county population estimates
- 02Census 2024 Gazetteer, counties
- 03Census SAIPE 2023 state and county estimates
- 04Census Vintage 2024 subcounty population estimates
- 05Census 2024 county adjacency file
- 06Census 2024 cartographic boundary file, counties (1:5,000,000)
How every number is computed: methodology. Spotted a wrong figure? Report an error.