Marinette County Population

1880–2026

42,758

2026 projection

2.1% since 2020 (increase)

010K20K30K40K50K18801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Marinette County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202642,758+1840.43%
202542,574+1840.43%
202442,390+2810.67%
202342,109+1380.33%
202241,971+1110.27%
202141,860-270.06%
202041,887+1,6314.05%
201940,256-1450.36%
201840,401+600.15%
201740,341+430.11%

Showing 10 of 29 years.

Marinette County Demographics

48.7median age

Median age

Female49.6 yrs
Male48 yrs

Adults

34,114
10,636 seniors (65+) · 31% of adults23,478 other adults

Sex

Female 49.2% · 20,672Male 50.8% · 21,374

Population by age

MaleFemale85+ years, male: 55085+ years, female: 74480–84 years, male: 49680–84 years, female: 64175–79 years, male: 90975–79 years, female: 97570–74 years, male: 1,27070–74 years, female: 1,27265–69 years, male: 1,95265–69 years, female: 1,82760–64 years, male: 1,91560–64 years, female: 1,98855–59 years, male: 1,78555–59 years, female: 1,59550–54 years, male: 1,30650–54 years, female: 1,22045–49 years, male: 1,13345–49 years, female: 1,02840–44 years, male: 1,34440–44 years, female: 1,06335–39 years, male: 1,15235–39 years, female: 1,20930–34 years, male: 1,08730–34 years, female: 98725–29 years, male: 1,01625–29 years, female: 1,02220–24 years, male: 93920–24 years, female: 94615–19 years, male: 1,17215–19 years, female: 1,12210–14 years, male: 1,19110–14 years, female: 9415–9 years, male: 1,1875–9 years, female: 1,1280–4 years, male: 9700–4 years, female: 96485+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K1.5K1.5K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 420 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Marinette County Income

$63,809median household income

Median household income

$63,809

Half of households earn more, half earn less

Median earnings

$47,766

Typical yearly pay for a worker 25 or older.

Poverty rate

9.8%

About 1 in 10 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Marinette County Marital Status

56% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married56%55%57%
Never married23%27%19%
Divorced13%14%11%
Widowed7%3%11%
Separated1%<1%1%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

8 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year