ZIP Codes of Lenawee County, MI

Population & People
Population & People
Total Population
101,472
Household Income
Household Income
Median Income
$76,322
Housing
Housing
Total Housing Units
44,819
Business & Economy
Business & Economy
Total Businesses
1,829
Employment
Employment
Employment Rate
55.34%
Education
Education
Bachelor's Degree+
23.11%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 19 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:19 ZIP Codes (18 Standard, 1 PO Box, 0 Unique) [See All]
Area Codes:517 / 734
Timezone:Eastern (GMT -05:00)
Local Time:2:12:33 PM
Population:101,472 [See All]
FIPS:26091
CBSA:Adrian, MI
Land Area:821 sq mi
Water Area:11 sq mi
Coordinates:41.9124, -84.0724
Quick Link:
https://www.zip-codes.com/county/mi-lenawee.asp
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Michigan's #21 most populous county
101,472 residents across 19 ZIPs — #21 of 83 Michigan counties.

Standout ZIPs in this County


Most Populous
Adrian · 41,087 people
40.5% of county total
Highest Income
Britton · $94,950 median
1.2× county average
Largest Land Area
Adrian · 121.6 sq mi
Spans the most ground
Fastest Growth
Cement City · 22.7% (10-yr)
2,394 → 2,938 residents
Most Educated
Manitou Beach · 34.0% bachelor's+
813 of 2,391 adults 25+

Things worth knowing about Lenawee County


101,472 residents live across 19 ZIPs covering 821 sq mi, served by 19 distinct USPS-recognized cities.

Population moved from 101,898 to 101,472 from 2014 to 2024 — a -0.4% change. 8 ZIPs gained residents, 11 lost.

The county's wealthiest ZIP 49229 (Britton, $94,950 median) and poorest ZIP 49247 (Hudson, $59,787) are 28.3 miles apart — a 1.6× income gap across local geography.

Median home values vary 2.1× across this county — from $129,400 in 49256 (Morenci) to $274,900 in 49265 (Onsted).

Density varies 14× across the county — from 24 people/sq mi in 49248 (Jasper) to 338 in 49221 (Adrian).

Educational attainment ranges from 7.1% bachelor's+ in 49279 (Sand Creek) to 34.0% in 49253 (Manitou Beach) — the breadth of educational profiles across the area.

Within Michigan, this is the #21 most populous of 83 counties and ranks #23 for median household income .

Weighted by population, the typical household earns about $71,883 across the county — reflecting what a typical resident sees, not a simple ZIP average.

23.1% of adults age 25+ hold a bachelor's degree or higher (16,524 of 71,512 reporting).

18 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.

All ZIP Codes in Lenawee County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
49221AdrianStandard41,087$65,977121.6-1.7%
49286TecumsehStandard14,128$72,42959.2-1.8%
49228BlissfieldStandard5,467$82,70379.5-3.7%
49247HudsonStandard5,205$59,78783.6-10.9%
49265OnstedStandard5,157$77,93134.4-2.4%
49236ClintonStandard5,026$79,78340.14.5%
49256MorenciStandard3,797$62,88061.7-2.8%
49229BrittonStandard3,540$94,95049.515.7%
49253Manitou BeachStandard3,009$89,06926.30.1%
49233Cement CityStandard2,938$81,25022.622.7%
49220AddisonStandard2,439$72,50033.112.5%
49235ClaytonStandard2,115$64,21951.1-4.4%
49287TiptonStandard1,958$88,06827.39.0%
49238DeerfieldStandard1,914$75,05425.3-1.4%
49268PalmyraStandard1,108$80,83323.037.6%
49279Sand CreekStandard965$71,36426.657.2%
49248JasperStandard787$81,25032.9-9.9%
49276RigaStandard703$73,75022.8-37.8%
49289WestonPO Box1290.0-37.1%

Adjacent & Nearby Counties