Tama County GIS Maps
Tama County, Iowa, has 17,135 residents across 21,941 parcels and covers 721 square miles. The population declined 3.6% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for Tama County is 19171.
Tama is the county's largest population center. Tama County also includes 12 zip codes, 9 public school districts and 40 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 parcel data, population, demographics, school enrollment and housing patterns in more detail.
Maps, GIS layers, Parcels and sample data. Paid packages add full layers, analytics and database files.
Tama County Trends
- Population
- 17,135▾
- Median Home Value
- $139,900▴
- K-12 Enrollment
- 7,200▾
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.
Tama 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.
Tama County Parcels
Tama County has 21,941 mapped parcels covering 434,035 acres. Agricultural land accounts for 57.7% of parcels. Residential follows at 26.7% and ag dwell w/land at 5.9%. The records carry 9,025 distinct owner names. Owner names are on nearly every parcel. Browse the interactive Tama County Parcel viewer here.
Tama County Parcel Data Coverage
| Field | Parcels | Coverage |
|---|---|---|
| Parcel ID | 21,941 | 100% |
| Owner name | 21,584 | 98.4% |
| Owner mailing address | 0 | 0% |
| Site address | 9,442 | 43.0% |
| Land use code | 0 | 0% |
| Land use description | 21,584 | 98.4% |
| Assessed value | 0 | 0% |
| Land value | 0 | 0% |
| Improvement value | 0 | 0% |
| Acreage | 0 | 0% |
| Parcel boundary | 21,941 | 100% |
| Download all Tama County parcels. | ||
Field coverage measured across all Tama County parcel records.
Tama County Population
Tama County had 17,135 residents in 2020. That was 3.6% lower than in 2010. Tama County had 968 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 24 people per square mile. Some of the county's most populated postal areas include Tama, Toledo and Traer.
Population Trend in Tama County IA
Tama County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Tama County Zip Codes
Tama County has 12 zip codes. Some of the county's most populated zip codes include Tama (52339), Toledo (52342) and Traer (50675). Tama is the largest zip by population, with about 4,717 residents or 28% of the county total. Together, the three largest zips account for about 60% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Tama County IA
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 52339 | Tama | 4,717 | ▴ 4.7% |
| 52342 | Toledo | 3,192 | ▾ -2.5% |
| 50675 | Traer | 2,372 | ▾ -3.4% |
| 50635 | Gladbrook | 1,375 | ▾ -14.2% |
| 50632 | Gladbrook | 1,032 | ▾ -6.8% |
| Download all zip code data | |||
Tama County Zip Code populations and trends per most recent census data.
Tama County Demographics
Tama County has a median age of 41.8, which makes the county a little older than Iowa overall. About 24% of residents are under 18, while 20.4% 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 19.4% of adults have a bachelor's degree or higher, above the statewide figure of 30.9%. The county is majority White by population, with Hispanic, Asian, Black and multiracial residents making up a meaningful share of the local mix.
Key Demographics for Tama County IA
Median Age
41.8
Under 18
24%
Age 65+
20.4%
Bachelor's+
19.4%
Tama County School Districts
Tama County is served by 9 public school districts with 7,200 students enrolled in 2024. The largest districts on the county map are Benton Community, South Tama County Community and Union Community. Those three districts account for about 55% 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 Tama County IA
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Benton Community School District | 1,614 | 22.4% | — 0% |
| South Tama County Community School District | 1,368 | 19% | ▾ -3.8% |
| Union Community School District | 952 | 13.2% | ▾ -3.4% |
| Grundy Center Community School District | 743 | 10.3% | ▴ 0.1% |
| East Marshall Community School District | 616 | 8.6% | ▾ -8.3% |
| Download all school district data | |||
Tama County school district enrollment and trends per most recent NCES reporting data.
Tama County Housing & Real Estate
Tama County has a median home value of $139,900 and a median gross rent of $865. About 76% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the Iowa median, while rents come in below the state average. In March 2026, the median listing price was $162,575 and homes spent about 94 days on the market.
Tama County Housing Mix
Tama County housing mix: owner, renter and vacant units.
Tama County Housing Trends
Tama County median home value and rent trend (last 5 years).
Businesses in Tama County, IA
Tama County has 704 business listings across 255 categories. The largest categories in Tama County business listings are Churches & Religious Organizations (28, 4.0%), Auto Repair (15, 2.1%), and Landmark And Historical Building (15, 2.1%). The full Tama County business listings dataset includes names, categories, addresses and contact details where available. Tama County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Tama County, IA
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 28 | 4.0% |
| Auto Repair | 15 | 2.1% |
| Landmark And Historical Building | 15 | 2.1% |
| Convenience Stores | 13 | 1.8% |
| Community & Nonprofits | 12 | 1.7% |
| Banks & Credit Unions | 12 | 1.7% |
| Libraries | 11 | 1.6% |
| Medical Offices | 11 | 1.6% |
| Public And Government Association | 10 | 1.4% |
| Agricultural Service | 9 | 1.3% |
Tama County Business Listings
| Business | Category | City |
|---|---|---|
| The 1040 Company | Accountant | Clutier |
| Dysart City Park | Active Life | Dysart |
| Tama County Farm Bureau | Agricultural Cooperatives | Toledo |
| Goos Implement Ltd | Agricultural Service | Gladbrook |
| Heartland Co-op | Agriculture | Lincoln |
| New Century FS Inc - Toledo | Agriculture Association | Toledo |
| Traer Municipal Airport | Airport | Traer |
| Traer Ambulance Service | Ambulance And Ems Services | Traer |
| The Pump | American Restaurants | Tama |
| Backwater Wildlife Solutions | Animal Rescue Service | Chelsea |
| Download Tama County business listings | ||
Tama County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Tama County Basemaps
Tama 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 Tama County Data Package
This page shows a preview of what's included in the Tama 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 parcels, 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 Tama County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.