Marinette County Demographics

A map of Marinette County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	39,286	38,754	93.4%	92.6%
Hispanic	1,233	1,079	2.9%	2.6%
Multiracial	1,109	1,360	2.6%	3.2%
Black	194	192	0.5%	0.5%
Asian	147	180	0.3%	0.4%
Native American/Other	77	307	0.2%	0.7%

Marinette County, Wisconsin has an estimated population of 42,046, a less than 1% change from the 41,872 recorded in the 2020 Census. The population is 93.4% White, 2.9% Hispanic, 2.6% Multiracial, 0.5% Black, 0.3% Asian, and 0.2% Native American/Other. This demographic dot map shows the population of Marinette County, with one dot drawn for each person counted by the Census, color-coded by race.

Marinette has become less racially diverse since the 2020 Census. It is considerably less diverse than Wisconsin overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Marinette County, that probability was 14.2% in 2020 and 12.5% in the most recent ACS estimates.

Marinette County is ranked the 36th most populous county in Wisconsin, out of 72 counties. Marinette County was ranked the 36th most populous county in the 2020 Census.

Marinette County's White Population

39,286 residents of Marinette County, or 93.4% of the population, identify as White. The share of White residents in Marinette County is considerably higher than in Wisconsin overall, where 78.6% of the population is White. Marinette County ranks 17th statewide in terms of White residents as a share of the population, out of 72 counties.

Since the 2020 Census, Marinette County's White population has grown by an estimated 1.4%. White residents' share of Marinette County's population has increased from 92.6% to 93.4%.

Marinette County is more White than neighboring Oconto County (93.3% White), Menominee County (91.1% White), Dickinson County (92.3% White), and Menominee County (13% White). Marinette County is less White than neighboring Florence County (94.9% White).

Marinette County's Black Population

194 residents of Marinette County, or 0.5% of the population, identify as Black. The share of Black residents in Marinette County is lower than in Wisconsin overall, where 5.9% of the population is Black. Marinette County ranks 49th statewide in terms of Black residents as a share of the population, out of 72 counties.

Since the 2020 Census, Marinette County's Black population has grown by an estimated 1.0%. Black residents' share of Marinette County's population has remained roughly unchanged at 0.5%.

Marinette County is more Black than neighboring Oconto County (0.1% Black), Menominee County (0.4% Black), Florence County (0.3% Black), and Dickinson County (0.3% Black). Marinette County is less Black than neighboring Menominee County (0.8% Black).

Marinette County's Asian Population

147 residents of Marinette County, or 0.3% of the population, identify as Asian. The share of Asian residents in Marinette County is slightly lower than in Wisconsin overall, where 2.9% of the population is Asian. Marinette County ranks 45th statewide in terms of Asian residents as a share of the population, out of 72 counties.

Since the 2020 Census, Marinette County's Asian population has declined by an estimated 18.3%. Asian residents' share of Marinette County's population has remained roughly unchanged at 0.3%.

Marinette County is more Asian than neighboring Oconto County (0.2% Asian), Florence County (0% Asian), and Menominee County (0% Asian). Marinette County is less Asian than neighboring Menominee County (0.4% Asian).

Marinette County's Hispanic Population

1,233 residents of Marinette County, or 2.9% of the population, identify as Hispanic. The share of Hispanic residents in Marinette County is lower than in Wisconsin overall, where 8% of the population is Hispanic. Marinette County ranks 46th statewide in terms of Hispanic residents as a share of the population, out of 72 counties.

Since the 2020 Census, Marinette County's Hispanic population has grown by an estimated 14.3%. Hispanic residents' share of Marinette County's population has remained roughly unchanged at 2.9%.

Marinette County is more Hispanic than neighboring Oconto County (2.3% Hispanic), Menominee County (2.4% Hispanic), Florence County (0.5% Hispanic), and Dickinson County (2% Hispanic). Marinette County is less Hispanic than neighboring Menominee County (5.1% Hispanic).

Marinette County's Native American/Other Population

77 residents of Marinette County, or 0.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Marinette County is comparable to the share in Wisconsin overall, where 0.9% of the population is Native American/Other. Marinette County ranks 33rd statewide in terms of Native American/Other residents as a share of the population, out of 72 counties.

Since the 2020 Census, Marinette County's Native American/Other population has declined by an estimated 74.9%. Native American/Other residents' share of Marinette County's population has remained roughly unchanged at 0.2%.

Marinette County is less Native American/Other than neighboring Oconto County (1.2% Native American/Other), Menominee County (2.1% Native American/Other), Florence County (1.6% Native American/Other), Dickinson County (1.1% Native American/Other), and Menominee County (79% Native American/Other).

Marinette County's Multiracial Population

1,109 residents of Marinette County, or 2.6% of the population, identify as Multiracial. The share of Multiracial residents in Marinette County is comparable to the share in Wisconsin overall, where 3.7% of the population is Multiracial. Marinette County ranks 24th statewide in terms of Multiracial residents as a share of the population, out of 72 counties.

Since the 2020 Census, Marinette County's Multiracial population has declined by an estimated 18.5%. Multiracial residents' share of Marinette County's population has decreased from 3.2% to 2.6%.

Marinette County is more Multiracial than neighboring Menominee County (2.1% Multiracial). Marinette County is less Multiracial than neighboring Oconto County (2.9% Multiracial), Menominee County (3.6% Multiracial), Florence County (2.8% Multiracial), and Dickinson County (4% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.