Marquette County, Michigan Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 30th-largest in Michigan
The population of Marquette County, Michigan is 66,430 as of the 2023 American Community Survey, making it the 30th-largest county in Michigan. The median household income is $64,675, the median home value is $202,000, and the median age is 39.2.
The population of Marquette County has grown 1.3% since 2010 (67,080 → 67,979), a +0.10% annualized rate.
66,430
Population
+0.10%
Annual growth
37
People / sq mi
$64,675
Median Income
$202,000
Median Home Value
Marquette County covers 1,809 sq mi of land at 36.7 people per square mile.
About Marquette County, MI
Marquette County is a county in Michigan with a population of 66,430. It ranks #30 among counties in Michigan by population. The median age is 39.2, in line with the national median. The population is 50.7% male and 49.3% female.
The median household income in Marquette County is $64,675, below the US median of $74,580. 7.1% of residents live below the federal poverty level. Home values sit at a median of $202,000, with monthly rent averaging $923. The homeownership rate of 71.2% is higher than the national rate of 64.8%.
Educational attainment in Marquette County reflects 35.8% of adults 25 and older holding a bachelor's degree or higher, near the national average of 34.3%. Roughly 6.7% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 18.6 minutes each way.
Marquette County Population History (2010-2024)
The county of Marquette County had a population of 67,080 in 2010 and 67,979 in 2024, a 1.3% growth over 14 years. The peak was 67,979 in 2024. Average annual growth rate: 0.10%.
67,979
Population (2024)
67,080
Population (2010)
67,979
Peak (2024)
0.10%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 67,080 |
| 2011 | 67,462 |
| 2012 | 67,840 |
| 2013 | 67,792 |
| 2014 | 67,798 |
| 2015 | 67,357 |
| 2016 | 66,563 |
| 2017 | 66,524 |
| 2018 | 66,406 |
| 2019 | 66,689 |
| 2020 | 66,544 |
| 2021 | 66,278 |
| 2022 | 67,103 |
| 2023 | 67,654 |
| 2024 | 67,979 |
Race & Ethnicity
| White | 91.5% |
| Black or African American | 1.5% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 3.2% |
| Two or More Races | 0.0% |
Age & Sex
39.2
Median Age
49.3%
Female
50.7%
Male
20.0%
Age 65+
Age Distribution
Children (under 15): 14.8% · Seniors (65+): 20.0%
Income & Poverty
| Median household income | $64,675$-6,474 vs state |
| Mean household income | $80,432 |
| Per-capita income | $34,471 |
| Poverty rate | 7.1%-1.7% vs state |
| Unemployment rate | 2.9% |
| Employment-to-population | 55.8% |
Top Industries by Employment
The largest employment sector in Marquette County is professional & business services, accounting for 28.7% of workers.
How residents commute
0.4%
Drive alone
5.0%
Carpool
76.5%
Public transit
6.7%
Work from home
18.6 min
Avg commute
Housing
$202,000$-15,600 vs state
Median home value
$923
Median rent
71.2%
Homeownership rate
33,553
Total housing units
83.1%
Occupied
16.9%
Vacant
28.8%
Renter-occupied
Social & access
96.3%
With health insurance
93.8%
With broadband internet
20.9%
Foreign-born
8.9%
Veterans (18+)
15.3%
With a disability
97.5%
Speak language other than English at home
Education
95.5%
High School+
35.8%
Bachelor's+
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County rankings
Frequently Asked Questions
Marquette County, Michigan has a population of 66,430 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 30th-largest county in Michigan. Population density is 37 people per square mile.
The population of Marquette County has grown 1.3% since 2010 (67,080 → 67,979), a +0.10% annualized rate.
The median household income in Marquette County, Michigan is $64,675, with mean (average) household income of $80,432 and per-capita income of $34,471. 7.1% of residents live below the federal poverty level.
In Marquette County, the largest racial and ethnic groups are White (91.5%), Hispanic or Latino (3.2%), Black or African American (1.5%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Marquette County, Michigan is 39.2 years. Residents are 49.3% female and 50.7% male.
The median home value in Marquette County is $202,000 and median monthly rent is $923. 71.2% of occupied housing units are owner-occupied. The county has 33,553 total housing units, 16.9% of which are vacant.
The largest employment sector in Marquette County, Michigan is professional, scientific, and management services, employing 28.7% of workers. The unemployment rate is 2.9%.
Detroit is among the largest cities associated with Marquette County, Michigan, with a population of 636,644.
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Population, race, income, age, and trends across Michigan
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.