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Population Review

Lenawee County, Michigan Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates · 21st-largest in Michigan

The population of Lenawee County, Michigan is 98,823 as of the 2023 American Community Survey, making it the 21st-largest county in Michigan. The median household income is $67,013, the median home value is $181,100, and the median age is 42.2.

The population of Lenawee County has declined 1.9% since 2010 (99,642 → 97,746), a -0.14% annualized rate.

Lenawee County within Michigan · Source: US Census TIGER/Line via us-atlas

98,823

Population

-0.14%

Annual growth

132

People / sq mi

$67,013

Median Income

$181,100

Median Home Value

Lenawee County covers 750 sq mi of land at 131.8 people per square mile.

About Lenawee County, MI

Homeownership is the standout figure in Lenawee County: 78.6% of homes are owner-occupied, higher than the national rate. Lenawee County is a county in Michigan with a population of 98,823. It ranks #21 among counties in Michigan by population.

Household earnings are middling, with a median of $67,013 — below the US median of $78,538. About 8.2% of residents live below the federal poverty level, below the national 12.4%. Homes carry a median value of $181,100, with typical rent around $965.

Roughly 22.3% of adults have a bachelor’s, below the national 35.0%. About 8.3% of the workforce is home-based, below the national 14.0%, and the average commute runs about 27 minutes each way.

The ownership rate anchors the housing story in Lenawee County, and tends to move with the age structure and home-value figures above.

Lenawee County Population History (2010-2024)

The county of Lenawee County had a population of 99,642 in 2010 and 97,746 in 2024, a -1.9% growth over 14 years. The peak was 99,642 in 2010. Average annual growth rate: -0.14%.

2010 · 100K20102024
Lenawee County population, 2010–2024 · Source: U.S. Census Bureau — decennial census & Population Estimates

97,746

Population (2024)

99,642

Population (2010)

99,642

Peak (2010)

-0.14%

Avg Annual Growth

YearPopulation
201099,642
201199,370
201299,041
201398,850
201498,774
201598,432
201698,595
201798,511
201898,118
201998,519
202099,318
202199,105
202298,284
202397,621
202497,746

Race & Ethnicity

White89.0%
Black or African American2.3%
Asian0.0%
Hispanic or Latino (any race)1.7%
Two or More Races0.0%

Age & Sex

42.2

Median Age

49.3%

Female

50.7%

Male

19.9%

Age 65+

Age Distribution

Under 5
5.1%
5–9
5.6%
10–14
6.1%
15–19
6.6%
20–24
6.3%
25–34
11.5%
35–44
12.1%
45–54
12.7%
55–59
6.6%
60–64
7.6%
65–74
12.0%
75–84
5.8%
85+
2.1%

Children (under 15): 16.8% · Seniors (65+): 19.9%

Income & Poverty

Median household income$67,013$-4,136 vs state
Mean household income$83,678
Per-capita income$33,914
Poverty rate8.2%-0.6% vs state
Unemployment rate3.1%
Employment-to-population54.3%

Top Industries by Employment

Professional & business services
24.2%
Manufacturing
20.3%
Education & health care
8.2%
Finance & real estate
7.2%
Construction
6.5%
Retail trade
4.3%
Arts, entertainment & food
4.3%
Public administration
4.0%

The largest employment sector in Lenawee County is professional & business services, accounting for 24.2% of workers.

How residents commute

0.2%

Drive alone

2.8%

Carpool

81.0%

Public transit

8.3%

Work from home

27.2 min

Avg commute

Housing

$181,100$-36,500 vs state

Median home value

$965

Median rent

78.6%

Homeownership rate

43,747

Total housing units

88.7%

Occupied

11.3%

Vacant

21.4%

Renter-occupied

Social & access

94.4%

With health insurance

94.0%

With broadband internet

22.8%

Foreign-born

6.8%

Veterans (18+)

14.2%

With a disability

95.4%

Speak language other than English at home

Education

91.4%

High School+

22.3%

Bachelor's+

Largest cities in Michigan

Other counties in Michigan

Part of Michigan

Metro areas in Michigan

County rankings

Frequently Asked Questions

Lenawee County, Michigan has a population of 98,823 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 21st-largest county in Michigan. Population density is 132 people per square mile.

The population of Lenawee County has declined 1.9% since 2010 (99,642 → 97,746), a -0.14% annualized rate.

The median household income in Lenawee County, Michigan is $67,013, with mean (average) household income of $83,678 and per-capita income of $33,914. 8.2% of residents live below the federal poverty level.

In Lenawee County, the largest racial and ethnic groups are White (89.0%), Black or African American (2.3%), Hispanic or Latino (1.7%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.

The median age in Lenawee County, Michigan is 42.2 years. Residents are 49.3% female and 50.7% male.

The median home value in Lenawee County is $181,100 and median monthly rent is $965. 78.6% of occupied housing units are owner-occupied. The county has 43,747 total housing units, 11.3% of which are vacant.

The largest employment sector in Lenawee County, Michigan is professional, scientific, and management services, employing 24.2% of workers. The unemployment rate is 3.1%.

Detroit is among the largest cities associated with Lenawee County, Michigan, with a population of 636,644.


Lenawee County, MI Climate

Lenawee County, MI has an average annual temperature of 9.1°C (48°F) and receives about 879 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.

9.1°C

Avg Temp

879

Precip (mm/yr)

Jul

Hottest Month

Jan

Coldest Month

-15°-5°5°15°25°35°96mmJFMAMJJASOND
Avg temp (°C) Precipitation (mm)
Lenawee County, MI — monthly temperature & precipitation (1970–2000 normals) · Source: WorldClim 2.1
MonthAvg (°C/°F)Precip
January-5° / 23°47 mm
February-4° / 25°44 mm
March2° / 36°67 mm
April8° / 47°84 mm
May15° / 59°84 mm
June20° / 68°96 mm
July22° / 72°81 mm
August21° / 70°88 mm
September17° / 63°86 mm
October11° / 51°64 mm
November4° / 39°73 mm
December-2° / 28°65 mm

1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.

Best time to visit Lenawee County, MI

The most comfortable months to visit Lenawee County, MI are typically August, July and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 29°C high). The coldest is January (near -10°C low). June is usually the wettest month.

AugustJulyJune

Where to stay near Lenawee County

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Top-rated places to stay near Lenawee County

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Data from the American Community Survey (ACS) 5-Year estimates.

Source: U.S. Census Bureau ACS, 2026.