Montgomery County GIS Maps
Montgomery County, Iowa, has 10,330 residents across 10,171 parcels and covers 424.1 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 Montgomery County is 19137.
Red Oak is the county's largest population center. Montgomery County also includes 6 zip codes, 5 public school districts and 26 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.
Montgomery County Trends
- Population
- 10,330▾
- Median Home Value
- $109,900▴
- K-12 Enrollment
- 2,081▾
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.
Montgomery 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.
Montgomery County Parcels
Montgomery County has 10,171 mapped parcels covering 251,528 acres. The median assessed value is $77,530. The median lot size is 38.00 acres. 6,826 parcels are 10 acres or larger. The records carry 3,133 distinct owner names. Owner names and assessed values are on nearly every parcel. Lot sizes reach 77.7%. Browse the interactive Montgomery County Parcel viewer here.
Montgomery County Parcel Data Coverage
| Field | Parcels | Coverage |
|---|---|---|
| Parcel ID | 10,171 | 100% |
| Owner name | 10,164 | 99.9% |
| Owner mailing address | 0 | 0% |
| Site address | 2,882 | 28.3% |
| Land use code | 0 | 0% |
| Land use description | 0 | 0% |
| Assessed value | 10,125 | 99.5% |
| Land value | 0 | 0% |
| Improvement value | 0 | 0% |
| Acreage | 7,902 | 77.7% |
| Parcel boundary | 10,171 | 100% |
| Download all Montgomery County parcels. | ||
Field coverage measured across all Montgomery County parcel records.
Montgomery County Population
Montgomery County had 10,330 residents in 2020. That was 3.8% lower than in 2010. Montgomery County had 1,441 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 Red Oak, Villisca and Stanton.
Population Trend in Montgomery County IA
Montgomery County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Montgomery County Zip Codes
Montgomery County has 6 zip codes. Some of the county's most populated zip codes include Red Oak (51566), Villisca (50864) and Stanton (51573). Red Oak is the largest zip by population, with about 6,772 residents or 66% of the county total. Together, the three largest zips account for about 94% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Montgomery County IA
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 51566 | Red Oak | 6,772 | ▾ -3.7% |
| 50864 | Villisca | 1,872 | ▾ -9% |
| 51573 | Stanton | 1,075 | ▾ -1.6% |
| 51533 | Emerson | 816 | ▾ -8.8% |
| 51532 | Elliott | 604 | ▾ -2.9% |
| Download all zip code data | |||
Montgomery County Zip Code populations and trends per most recent census data.
Montgomery County Demographics
Montgomery County has a median age of 43.8, which makes the county a little older than Iowa overall. About 22.6% of residents are under 18, while 22.8% 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 27.1% of the population, which points to a solid working-age base. About 18.7% 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 Montgomery County IA
Median Age
43.8
Under 18
22.6%
Age 65+
22.8%
Bachelor's+
18.7%
Montgomery County School Districts
Montgomery County is served by 5 public school districts with 2,081 students enrolled in 2024. The largest districts on the county map are Red Oak Community, Griswold Community and Stanton 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, but it is slightly lower than it was in 2017.
Largest School Districts by Enrollment in Montgomery County IA
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Red Oak Community School District | 932 | 44.8% | ▾ -8% |
| Griswold Community School District | 420 | 20.2% | ▾ -3.7% |
| Stanton Community School District | 298 | 14.3% | ▴ 6% |
| Villisca Community School District | 243 | 11.7% | ▾ -4.3% |
| Essex Community School District | 188 | 9% | ▾ -12.6% |
| Download all school district data | |||
Montgomery County school district enrollment and trends per most recent NCES reporting data.
Montgomery County Housing & Real Estate
Montgomery County has a median home value of $109,900 and a median gross rent of $782. About 72% 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 $162,500 and homes spent about 75 days on the market.
Montgomery County Housing Mix
Montgomery County housing mix: owner, renter and vacant units.
Montgomery County Housing Trends
Montgomery County median home value and rent trend (last 5 years).
Businesses in Montgomery County, IA
Montgomery County has 554 business listings across 240 categories. The largest categories in Montgomery County business listings are Churches & Religious Organizations (23, 4.2%), Banks & Credit Unions (11, 2.0%), and Medical Offices (11, 2.0%). The full Montgomery County business listings dataset includes names, categories, addresses and contact details where available. Montgomery County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Montgomery County, IA
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 23 | 4.2% |
| Banks & Credit Unions | 11 | 2.0% |
| Medical Offices | 11 | 2.0% |
| Auto Repair | 11 | 2.0% |
| Parks & Recreation | 9 | 1.6% |
| Gas Stations | 8 | 1.4% |
| Discount Store | 8 | 1.4% |
| Elementary School | 7 | 1.3% |
| Gift Shop | 7 | 1.3% |
| Farm | 7 | 1.3% |
Montgomery County Business Listings
| Business | Category | City |
|---|---|---|
| 3B Skatepark | Active Life | Red Oak |
| Janet K Wheat DC | Acupuncture | Red Oak |
| NEW Cooperative | Agricultural Production | Red Oak |
| Nodaway Valley Equipment | Agricultural Service | Villisca |
| Red Oak Municipal Airport | Airport | Red Oak |
| Buck Snort Restaurant | American Restaurants | Red Oak |
| Piggies Paradise | Animal Rescue Service | Red Oak |
| Montgomery County Animal Shelter | Animal Shelters | Red Oak |
| ReDesigned | Antique Store | Red Oak |
| Sears Appliance Repair | Appliance Repair Service | Red Oak |
| Download Montgomery County business listings | ||
Montgomery County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Montgomery County Basemaps
Montgomery 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 Montgomery County Data Package
This page shows a preview of what's included in the Montgomery 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 Montgomery County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.