Marquette County Population

1850–2026

68,312

2026 projection

2.7% since 2020 (increase)

020K40K60K80K186018801900192019401960198020002020

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 Marquette County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202668,312+2480.36%
202568,064+2480.37%
202467,816+2600.38%
202367,556+4940.74%
202267,062+7091.07%
202166,353-1890.28%
202066,542-1470.22%
201966,689+2830.43%
201866,406-1180.18%
201766,524-390.06%

Showing 10 of 32 years.

Marquette County Demographics

39.3median age

Median age

Female39.4 yrs
Male39.3 yrs

Adults

55,363
13,634 seniors (65+) · 25% of adults41,729 other adults

Sex

Female 49.3% · 33,057Male 50.7% · 34,055

Population by age

MaleFemale85+ years, male: 60085+ years, female: 89180–84 years, male: 65480–84 years, female: 72675–79 years, male: 1,24175–79 years, female: 1,12770–74 years, male: 1,90070–74 years, female: 1,76965–69 years, male: 2,31865–69 years, female: 2,40860–64 years, male: 2,24760–64 years, female: 2,12755–59 years, male: 2,00455–59 years, female: 2,02050–54 years, male: 1,82150–54 years, female: 1,71545–49 years, male: 1,75945–49 years, female: 1,63740–44 years, male: 2,14440–44 years, female: 1,85835–39 years, male: 1,99235–39 years, female: 1,86030–34 years, male: 2,06330–34 years, female: 1,77325–29 years, male: 2,20525–29 years, female: 1,87020–24 years, male: 3,67720–24 years, female: 3,80015–19 years, male: 2,58415–19 years, female: 2,69010–14 years, male: 2,02010–14 years, female: 1,8485–9 years, male: 1,4145–9 years, female: 1,3620–4 years, male: 1,4120–4 years, female: 1,57685+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–41K1K2K2K3K3K

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 671 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

Marquette County Income

$65,429median household income

Median household income

$65,429

Half of households earn more, half earn less

Median earnings

$44,978

Typical yearly pay for a worker 25 or older.

Poverty rate

13.9%

About 1 in 7 residents

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

Marquette County Marital Status

48% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married48%47%49%
Never married37%41%33%
Divorced10%10%10%
Widowed5%3%7%
Separated<1%<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