Linn County GIS Maps
Linn County, Missouri, has 11,874 residents and covers 615.6 square miles. The population declined 7% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for Linn County is 29115.
Brookfield is the county's largest population center. Linn County also includes 8 zip codes, 5 public school districts and 30 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.
Linn County Trends
- Population
- 11,874▾
- Median Home Value
- $117,300▴
- K-12 Enrollment
- 2,070▾
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.
Linn 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.
Linn County Population
Linn County had 11,874 residents in 2020. That was 7% lower than in 2010. Linn County had 1,880 fewer people in 2020 than it did in 2000, which points to a long-term population decline. The county is fairly spread out, with about 19 people per square mile. Some of the county's most populated postal areas include Brookfield, Meadville and Bucklin.
Population Trend in Linn County MO
Linn County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Linn County Zip Codes
Linn County has 8 zip codes. Some of the county's most populated zip codes include Brookfield (64628), Meadville (64659) and Bucklin (64631). Brookfield is the largest zip by population, with about 5,527 residents or 47% of the county total. Together, the three largest zips account for about 61% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Linn County MO
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 64628 | Brookfield | 5,527 | ▾ -10% |
| 64659 | Meadville | 863 | ▾ -10.5% |
| 64631 | Bucklin | 836 | ▾ -7.3% |
| 64653 | Linneus | 678 | ▾ -1.3% |
| 64651 | Laclede | 519 | ▾ -8.9% |
| Download all zip code data | |||
Linn County Zip Code populations and trends per most recent census data.
Linn County Demographics
Linn County has a median age of 42.4, which makes the county a little older than Missouri overall. About 23.7% of residents are under 18, while 21.2% 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 27.7% of the population, which points to a solid working-age base. About 20.1% of adults have a bachelor's degree or higher, above the statewide figure of 31.9%. The county is mostly White by population, though Hispanic, Asian, Black and multiracial residents are also part of the local mix.
Key Demographics for Linn County MO
Median Age
42.4
Under 18
23.7%
Age 65+
21.2%
Bachelor's+
20.1%
Linn County School Districts
Linn County is served by 5 public school districts with 2,070 students enrolled in 2024. The largest districts on the county map are Brookfield R-III, Marceline R-V and Meadville R-IV. Those three districts account for about 86% 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 Linn County MO
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Brookfield R-III School District | 923 | 44.6% | ▴ 3.6% |
| Marceline R-V School District | 652 | 31.5% | ▾ -3.4% |
| Meadville R-IV School District | 215 | 10.4% | ▾ -4.4% |
| Linn County R-I School District | 171 | 8.3% | ▾ -0.6% |
| Bucklin R-II School District | 109 | 5.3% | ▾ -2.7% |
| Download all school district data | |||
Linn County school district enrollment and trends per most recent NCES reporting data.
Linn County Housing & Real Estate
Linn County has a median home value of $117,300 and a median gross rent of $612. 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 Missouri median, while rents come in below the state average. In March 2026, the median listing price was $191,000 and homes spent about 73 days on the market.
Linn County Housing Mix
Linn County housing mix: owner, renter and vacant units.
Linn County Housing Trends
Linn County median home value and rent trend (last 5 years).
Businesses in Linn County, MO
Linn County has 570 business listings across 229 categories. The largest categories in Linn County business listings are Churches & Religious Organizations (29, 5.1%), Insurance Agencies (19, 3.3%), and Gas Stations (12, 2.1%). The full Linn County business listings dataset includes names, categories, addresses and contact details where available. Linn County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Linn County, MO
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 29 | 5.1% |
| Insurance Agencies | 19 | 3.3% |
| Gas Stations | 12 | 2.1% |
| Public And Government Association | 11 | 1.9% |
| Farm | 9 | 1.6% |
| Baptist Church | 9 | 1.6% |
| Banks & Credit Unions | 8 | 1.4% |
| Pizza Restaurants | 8 | 1.4% |
| Propane Supplier | 8 | 1.4% |
| Elementary School | 8 | 1.4% |
Linn County Business Listings
| Business | Category | City |
|---|---|---|
| Brookfield Housing Authority | Accommodation | Brookfield |
| Lewis and Wallace | Accountant | Brookfield |
| Beef - 360 | Agricultural Cooperatives | Brookfield |
| E and M Equipment Repair | Agricultural Service | Linneus |
| Linn County - Missouri Farm Bureau | Agriculture | Brookfield |
| Linn County Ambulance District | Ambulance And Ems Services | Brookfield |
| Diner 36 | American Restaurants | Brookfield |
| Green Hills Archers | Amusement Park | Laclede |
| The Time Warp Antiques and Thrift Store | Antique Store | Brookfield |
| Bucklin Outdoor Power Equipment | Appliance Repair Service | Bucklin |
| Download Linn County business listings | ||
Linn County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Linn County Basemaps
Linn 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 Linn County Data Package
This page shows a preview of what's included in the Linn 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 Linn County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.