Mills County GIS Maps
Mills County, Iowa, has 14,484 residents across 17,993 parcels and covers 437.4 square miles. The population declined 3.8% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for Mills County is 19129.
Glenwood is the county's largest population center. Mills County also includes 7 zip codes, 6 public school districts and 31 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.
Mills County Trends
- Population
- 14,484▾
- Median Home Value
- $228,700▴
- K-12 Enrollment
- 8,111▾
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.
Mills 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.
Mills County Parcels
Mills County has 17,993 mapped parcels covering 279,640 acres. The median assessed value is $88,566. The median lot size is 16.85 acres. 8,158 parcels are 10 acres or larger. The records carry 7,187 distinct owner names. Owner names and assessed values are on nearly every parcel. Lot sizes reach 77.9%. Browse the interactive Mills County Parcel viewer here.
Mills County Parcel Data Coverage
| Field | Parcels | Coverage |
|---|---|---|
| Parcel ID | 17,992 | 100% |
| Owner name | 17,986 | 99.9% |
| Owner mailing address | 0 | 0% |
| Site address | 7,375 | 41.0% |
| Land use code | 0 | 0% |
| Land use description | 0 | 0% |
| Assessed value | 17,852 | 99.2% |
| Land value | 0 | 0% |
| Improvement value | 0 | 0% |
| Acreage | 14,008 | 77.9% |
| Parcel boundary | 17,992 | 100% |
| Download all Mills County parcels. | ||
Field coverage measured across all Mills County parcel records.
Mills County Population
Mills County had 14,484 residents in 2020. That was 3.8% lower than in 2010. Mills County had 63 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 33 people per square mile. Some of the county's most populated postal areas include Glenwood, Malvern and Glenwood.
Population Trend in Mills County IA
Mills County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Mills County Zip Codes
Mills County has 7 zip codes. Some of the county's most populated zip codes include Glenwood (51534), Malvern (51551) and Glenwood (51561). Glenwood is the largest zip by population, with about 9,342 residents or 64% of the county total. Together, the three largest zips account for about 83% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Mills County IA
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 51534 | Glenwood | 9,342 | ▴ 1.1% |
| 51551 | Malvern | 1,783 | ▾ -2.5% |
| 51561 | Glenwood | 907 | ▾ -37.7% |
| 51571 | Silver City | 635 | ▾ -2.2% |
| 51540 | Hastings | 469 | ▴ 4.5% |
| Download all zip code data | |||
Mills County Zip Code populations and trends per most recent census data.
Mills County Demographics
Mills County has a median age of 42.6, which makes the county a little older than Iowa overall. About 23.1% 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 29.4% of the population, which points to a solid working-age base. About 32% of adults have a bachelor's degree or higher, above the statewide figure of 30.9%. The county is mostly White by population, though Hispanic, Asian, Black and multiracial residents are also part of the local mix.
Key Demographics for Mills County IA
Median Age
42.6
Under 18
23.1%
Age 65+
19.9%
Bachelor's+
32%
Mills County School Districts
Mills County is served by 6 public school districts with 8,111 students enrolled in 2024. The largest districts on the county map are Lewis Central Community, Glenwood Community and Shenandoah Community. Those three districts account for about 79% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, based on district totals from 2017 to 2024.
Largest School Districts by Enrollment in Mills County IA
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Lewis Central Community School District | 3,143 | 38.7% | ▾ -0.1% |
| Glenwood Community School District | 2,001 | 24.7% | ▾ -4.1% |
| Shenandoah Community School District | 1,227 | 15.1% | ▴ 7.4% |
| Treynor Community School District | 817 | 10.1% | ▴ 0.1% |
| Fremont-Mills Community School District | 475 | 5.9% | ▾ -2.5% |
| Download all school district data | |||
Mills County school district enrollment and trends per most recent NCES reporting data.
Mills County Housing & Real Estate
Mills County has a median home value of $228,700 and a median gross rent of $888. About 84% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run above the Iowa median, while rents come in below the state average. In March 2026, the median listing price was $340,863 and homes spent about 55 days on the market.
Mills County Housing Mix
Mills County housing mix: owner, renter and vacant units.
Mills County Housing Trends
Mills County median home value and rent trend (last 5 years).
Businesses in Mills County, IA
Mills County has 615 business listings across 273 categories. The largest categories in Mills County business listings are Churches & Religious Organizations (22, 3.6%), Contractors (12, 2.0%), and Community & Nonprofits (11, 1.8%). The full Mills County business listings dataset includes names, categories, addresses and contact details where available. Mills County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Mills County, IA
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 22 | 3.6% |
| Contractors | 12 | 2.0% |
| Community & Nonprofits | 11 | 1.8% |
| Parks & Recreation | 11 | 1.8% |
| Convenience Stores | 10 | 1.6% |
| Gas Stations | 10 | 1.6% |
| Real Estate Agents | 8 | 1.3% |
| Auto Repair | 8 | 1.3% |
| Beauty Salons | 7 | 1.1% |
| Farm | 7 | 1.1% |
Mills County Business Listings
| Business | Category | City |
|---|---|---|
| Art House Iowa | Accommodation | Malvern |
| Ram Memorial Field | Active Life | Glenwood |
| Romantix | Adult Entertainment | Council Bluffs |
| My Girls Ink | Advertising Agency | Malvern |
| AGRILAND FS Malvern | Agricultural Cooperatives | Malvern |
| AgriVision Equipment | Agricultural Service | Pacific Junction |
| Bunge North America | Agriculture | Council Bluffs |
| The Salty Heifer Cafe | American Restaurants | Malvern |
| Lusco Farms Rescue | Animal Rescue Service | Malvern |
| S&B Kountry Kennel | Animal Shelters | Mills County |
| Download Mills County business listings | ||
Mills County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Mills County Basemaps
Mills 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 Mills County Data Package
This page shows a preview of what's included in the Mills 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.
One-time · instant download · 30-day refund guarantee · See full package details
Preview a Live Package Demo
See exactly what is included in a county data package. Inspect how files are organized, the interactive data explorer and how maps and analytics are laid out. The demo loads a real sample package from Iowa — explore the full structure before you buy.
No email or download required. Opens in a preview window on this page.
Nearby Counties
Browse county data pages for the counties that border Mills County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.