Malheur County GIS Maps
Malheur County, Oregon, has 31,571 residents across 18,498 parcels and covers 9,887.7 square miles. The population grew 0.8% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Malheur County is 41045.
Ontario is the county's largest population center. Malheur County also includes 14 zip codes, 11 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.
Malheur County Trends
- Population
- 31,571▴
- Median Home Value
- $221,300▴
- K-12 Enrollment
- 6,093▴
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.
Malheur 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.
Malheur County Parcels
Malheur County has 18,498 mapped parcels covering 6,311,369 acres. The median lot size is 38.11 acres. 7,484 parcels are 10 acres or larger. The records carry 9,688 distinct owner names. About 20% of parcels list an owner mailing address outside Oregon. Owner names, mailing addresses, site addresses and lot sizes are on nearly every parcel. Browse the interactive Malheur County Parcel viewer here.
Malheur County Parcel Data Coverage
| Field | Parcels | Coverage |
|---|---|---|
| Parcel ID | 18,498 | 100% |
| Owner name | 18,498 | 100% |
| Owner mailing address | 18,497 | 99.9% |
| Site address | 18,498 | 100% |
| Land use code | 0 | 0% |
| Land use description | 0 | 0% |
| Assessed value | 0 | 0% |
| Land value | 0 | 0% |
| Improvement value | 0 | 0% |
| Acreage | 18,498 | 100% |
| Parcel boundary | 18,498 | 100% |
| Download all Malheur County parcels. | ||
Field coverage measured across all Malheur County parcel records.
Malheur County Population
Malheur County had 31,571 residents in 2020. That was 0.8% higher than in 2010. Malheur County had 44 fewer people in 2020 than it did in 2000, which points to a long-term population decline. Ontario is the largest city in the county, but it accounts for only about 37% of the total population. The county is fairly spread out, with about 3 people per square mile. Some of the county's most populated postal areas include Ontario, Nyssa and Vale.
Population Trend in Malheur County OR
Malheur County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Malheur County Zip Codes
Malheur County has 14 zip codes. Some of the county's most populated zip codes include Ontario (97914), Nyssa (97913) and Vale (97918). Ontario is the largest zip by population, with about 19,534 residents or 62% 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 Malheur County OR
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 97914 | Ontario | 19,534 | ▴ 1.7% |
| 97913 | Nyssa | 5,597 | ▴ 1.2% |
| 97918 | Vale | 4,514 | ▾ -0.5% |
| 97901 | Adrian | 687 | ▾ -0.7% |
| 97910 | Jordan Valley | 591 | ▾ -7.8% |
| Download all zip code data | |||
Malheur County Zip Code populations and trends per most recent census data.
Malheur County Demographics
Malheur County has a median age of 36.2, which makes the county a little younger than Oregon overall. About 25.2% of residents are under 18, while 17% 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 31.7% of the population, which points to a solid working-age base. About 15.5% of adults have a bachelor's degree or higher, above the statewide figure of 36.2%. The county has a more diverse population mix, with no single race or ethnicity accounting for all of the local story.
Key Demographics for Malheur County OR
Median Age
36.2
Under 18
25.2%
Age 65+
17%
Bachelor's+
15.5%
Malheur County School Districts
Malheur County is served by 11 public school districts with 6,093 students enrolled in 2024. The largest districts on the county map are Ontario 8, Nyssa 26 and Vale 84. Those three districts account for about 85% of public school enrollment in the map area. Total enrollment has grown modestly since 2017 across the districts shown on the county map.
Largest School Districts by Enrollment in Malheur County OR
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Ontario School District 8 | 2,170 | 35.6% | ▾ -1.9% |
| Nyssa School District 26 | 2,115 | 34.7% | ▴ 40.6% |
| Vale School District 84 | 912 | 15% | ▾ -2.5% |
| Adrian School District 61 | 293 | 4.8% | ▴ 5% |
| Harper School District 66 | 258 | 4.2% | ▴ 3.2% |
| Download all school district data | |||
Malheur County school district enrollment and trends per most recent NCES reporting data.
Malheur County Housing & Real Estate
Malheur County has a median home value of $221,300 and a median gross rent of $819. About 63% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the Oregon median, while rents come in below the state average. In March 2026, the median listing price was $332,000 and homes spent about 53 days on the market.
Malheur County Housing Mix
Malheur County housing mix: owner, renter and vacant units.
Malheur County Housing Trends
Malheur County median home value and rent trend (last 5 years).
Businesses in Malheur County, OR
Malheur County has 1,528 business listings across 398 categories. The largest categories in Malheur County business listings are Structure And Geography (82, 5.4%), Lake (51, 3.3%), and Churches & Religious Organizations (42, 2.7%). The full Malheur County business listings dataset includes names, categories, addresses and contact details where available. Malheur County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Malheur County, OR
| Category | Businesses | Share |
|---|---|---|
| Structure And Geography | 82 | 5.4% |
| Lake | 51 | 3.3% |
| Churches & Religious Organizations | 42 | 2.7% |
| River | 37 | 2.4% |
| Landmark And Historical Building | 24 | 1.6% |
| Gas Stations | 22 | 1.4% |
| Mountain | 21 | 1.4% |
| Farm | 18 | 1.2% |
| Banks & Credit Unions | 17 | 1.1% |
| Coffee Shops | 16 | 1.0% |
Malheur County Business Listings
| Business | Category | City |
|---|---|---|
| Town House Apartments | Accommodation | Ontario |
| Vale Bookkeeping Service | Accountant | Vale |
| Producers Livestock Marketing | Agricultural Cooperatives | Vale |
| Nyssa Tractor and Implement | Agricultural Service | Nyssa |
| Dentinger Feed and Seed | Agriculture | Vale |
| Ontario Airport KONO | Airline | Ontario |
| Ontario Municipal Airport | Airport | Ontario |
| Eastern Oregon Hypnosis | Alternative Medicine | Ontario |
| Treasure Valley Paramedics | Ambulance And Ems Services | Ontario |
| Plaza Inn Restaurant | American Restaurants | Ontario |
| Download Malheur County business listings | ||
Malheur County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Malheur County Basemaps
Malheur 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 Malheur County Data Package
This page shows a preview of what's included in the Malheur 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 Malheur County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.