Lenawee County GIS Maps
Lenawee County, Michigan, has 99,423 residents and covers 749.6 square miles. The population declined 0.5% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for Lenawee County is 26091.
Adrian is the county's largest population center. Lenawee County also includes 18 zip codes, 14 public school districts and 45 municipalities. Those boundaries help explain why population, schools, and housing can look different from one part of the county to another. The map below shows how those county lines, zip codes, and school districts fit together, and the sections that follow use that same geography to show population, demographics, school enrollment and housing patterns in more detail.
Maps, GIS layers and sample data. Paid packages add full layers, analytics and database files.
Lenawee County Trends
- Population
- 99,423▾
- Median Home Value
- $181,100▴
- K-12 Enrollment
- 16,220▾
County analytics dashboards with historical trends & projections included in package downloads.
Free starter access previews county maps, lightweight GIS, and sample data. Paid packages unlock full GIS layers, analytics, and database files.
Lenawee County Maps
The maps below show a few of the county map styles included in our downloads. County packages include map exports in JPEG, PNG, SVG, PDF and GeoTIFF formats plus more than 20 GIS layers for mapping, research and analysis. Available layers include zip codes, area codes, subdivisions, school districts, political boundaries, roads, water features, points of interest and more.
County packages also include historical county demographics, business intelligence, analytical dashboards, AI-ready prompts, markdown files and related reference data. Everything is organized to save hours of manual work collecting current data, cleaning it and joining it together. That makes it easier to move faster on analytics, due diligence, business planning and location research. Paid packages are built for commercial use, but some package contents include source-specific attribution or notice guidance. Review Licensing & Data Source Notices.
Lenawee County Population
Lenawee County had 99,423 residents in 2020. That was 0.5% lower than in 2010. Lenawee County added 533 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 133 people per square mile. Some of the county's most populated postal areas include Adrian, Tecumseh and Hudson.
Population Trend in Lenawee County MI
Lenawee County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Lenawee County Zip Codes
Lenawee County has 18 zip codes. Some of the county's most populated zip codes include Adrian (49221), Tecumseh (49286) and Hudson (49247). Adrian is the largest zip by population, with about 41,315 residents or 42% of the county total. Together, the three largest zips account for about 62% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Lenawee County MI
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 49221 | Adrian | 41,315 | ▴ 0% |
| 49286 | Tecumseh | 14,991 | ▴ 1.3% |
| 49247 | Hudson | 5,720 | ▾ -0.8% |
| 49228 | Blissfield | 5,432 | ▾ -2% |
| 49265 | Onsted | 5,055 | ▴ 2% |
| Download all zip code data | |||
Lenawee County Zip Code populations and trends per most recent census data.
Lenawee County Demographics
Lenawee County has a median age of 42.2, which makes the county a little older than Michigan overall. About 20.7% of residents are under 18, while 19.9% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 25 to 44 at about 29.6% of the population, which points to a solid working-age base. About 22.3% of adults have a bachelor's degree or higher, above the statewide figure of 31.8%. The county is mostly White by population, though Hispanic, Asian, Black and multiracial residents are also part of the local mix.
Key Demographics for Lenawee County MI
Median Age
42.2
Under 18
20.7%
Age 65+
19.9%
Bachelor's+
22.3%
Lenawee County School Districts
Lenawee County is served by 14 public school districts with 16,220 students enrolled in 2024. The largest districts on the county map are Adrian City, Tecumseh Public Schools and Madison. Those three districts account for about 41% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, but it is slightly lower than it was in 2017.
Largest School Districts by Enrollment in Lenawee County MI
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Adrian City School District | 2,657 | 16.4% | ▾ -1% |
| Tecumseh Public Schools | 2,387 | 14.7% | ▾ -3.8% |
| Madison School District | 1,580 | 9.7% | ▾ -2.5% |
| Columbia School District | 1,428 | 8.8% | ▾ -0.2% |
| Hudson Area Schools | 1,368 | 8.4% | ▴ 3.8% |
| Download all school district data | |||
Lenawee County school district enrollment and trends per most recent NCES reporting data.
Lenawee County Housing & Real Estate
Lenawee County has a median home value of $181,100 and a median gross rent of $965. About 79% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the Michigan median, while rents come in below the state average. In March 2026, the median listing price was $269,450 and homes spent about 53 days on the market.
Lenawee County Housing Mix
Lenawee County housing mix: owner, renter and vacant units.
Lenawee County Housing Trends
Lenawee County median home value and rent trend (last 5 years).
Businesses in Lenawee County, MI
Lenawee County has 3,998 business listings across 595 categories. The largest categories in Lenawee County business listings are Churches & Religious Organizations (153, 3.8%), Gas Stations (65, 1.6%), and Farm (63, 1.6%). The full Lenawee County business listings dataset includes names, categories, addresses and contact details where available. Lenawee County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Lenawee County, MI
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 153 | 3.8% |
| Gas Stations | 65 | 1.6% |
| Farm | 63 | 1.6% |
| Contractors | 53 | 1.3% |
| Lake | 50 | 1.3% |
| Parks & Recreation | 50 | 1.3% |
| Insurance Agencies | 49 | 1.2% |
| Medical Offices | 46 | 1.2% |
| Pizza Restaurants | 46 | 1.2% |
| Community & Nonprofits | 46 | 1.2% |
Lenawee County Business Listings
| Business | Category | City |
|---|---|---|
| Friendship Place | Accommodation | Adrian |
| Knox Accounting And Tax Service | Accountant | Adrian |
| Burnham Beeches Equestrian Centre | Active Life | Britton |
| Phoenix Rising Wellness Centers | Acupuncture | Manitou Beach |
| Anna's Adult Novelties | Adult Entertainment | Adrian |
| Tag Advertising Group | Advertising Agency | Blissfield |
| Lenawee County Farm Bureau | Agricultural Cooperatives | Adrian |
| Redline Equipment Adrian | Agricultural Service | Adrian |
| Farmers Antique Tractor & Engine Association | Agriculture | Adrian |
| Lenawee County Airport | Airport | Adrian |
| Download Lenawee County business listings | ||
Lenawee County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Lenawee County Basemaps
Lenawee County map and data packages include a set of useful basemaps to help you get started quickly. These include a custom light grey canvas, USGS topo, imagery and other reference layers that make it easier to build clear, meaningful county maps using the included GIS layers, your own data or both. Pre-rendered map tiles for the light grey basemap are included so you can use them offline or host them on your own CDN.
Get the Full Lenawee County Data Package
This page shows a preview of what's included in the Lenawee County data package. The full package gives you a ready-to-use county data system with GIS layers, historical data, maps, database files and planning tools that save hours of manual data gathering, cleanup and joins. Everything is organized to help you skip data wrangling and start analysis faster.
- 20+ GIS layers for zip codes, school districts, roads, water, boundaries and more
- Historical county demographics, housing, income and trend data
- ZIP code population files and school district enrollment history
- Database files, markdowns, AI-ready prompts and documentation
- Map exports in PNG, JPEG, PDF, SVG and GeoTIFF formats
- Offline-ready data explorer, map and analytics tools
Paid packages support commercial use, client work, and derived outputs. Some package contents may include source-specific attribution or provider notices. See Licensing & Data Source Notices.
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Nearby Counties
Browse county data pages for the counties that border Lenawee County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.