Umatilla County GIS Maps
Umatilla County, Oregon, has 80,075 residents across 39,894 parcels and covers 3,215.5 square miles. The population grew 5.5% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Umatilla County is 41059.
Hermiston is the county's largest population center. Umatilla County also includes 13 zip codes, 10 public school districts and 21 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.
Umatilla County Trends
- Population
- 80,075▴
- Median Home Value
- $256,100▴
- K-12 Enrollment
- 13,036▾
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.
Umatilla 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.
Umatilla County Parcels
Umatilla County has 39,894 mapped parcels covering 2,219,494 acres. The median lot size is 2.10 acres. 7,822 parcels are 10 acres or larger. The records carry 25,986 distinct owner names. About 12% of parcels list an owner mailing address outside Oregon. Owner names, mailing addresses and lot sizes are on nearly every parcel. Browse the interactive Umatilla County Parcel viewer here.
Umatilla County Parcel Data Coverage
| Field | Parcels | Coverage |
|---|---|---|
| Parcel ID | 39,894 | 100% |
| Owner name | 39,894 | 100% |
| Owner mailing address | 39,841 | 99.9% |
| Site address | 0 | 0% |
| Land use code | 39,894 | 100% |
| Land use description | 0 | 0% |
| Assessed value | 0 | 0% |
| Land value | 0 | 0% |
| Improvement value | 0 | 0% |
| Acreage | 39,894 | 100% |
| Parcel boundary | 39,894 | 100% |
| Download all Umatilla County parcels. | ||
Field coverage measured across all Umatilla County parcel records.
Umatilla County Population
Umatilla County had 80,075 residents in 2020. That was 5.5% higher than in 2010. Umatilla County added 9,527 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 25 people per square mile. Some of the county's most populated postal areas include Hermiston, Pendleton and Milton Freewater.
Population Trend in Umatilla County OR
Umatilla County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Umatilla County Zip Codes
Umatilla County has 13 zip codes. Some of the county's most populated zip codes include Hermiston (97838), Pendleton (97801) and Milton Freewater (97862). Hermiston is the largest zip by population, with about 28,387 residents or 35% of the county total. Together, the three largest zips account for about 77% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Umatilla County OR
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 97838 | Hermiston | 28,387 | ▴ 12% |
| 97801 | Pendleton | 21,882 | ▴ 1.7% |
| 97862 | Milton Freewater | 11,512 | ▾ -1.3% |
| 97882 | Umatilla | 8,271 | ▴ 6.6% |
| 97875 | Stanfield | 2,875 | ▴ 10.2% |
| Download all zip code data | |||
Umatilla County Zip Code populations and trends per most recent census data.
Umatilla County Demographics
Umatilla County has a median age of 36.7, which makes the county a little younger than Oregon overall. About 24.8% of residents are under 18, while 16.2% 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 33.2% of the population, which points to a solid working-age base. About 18% 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 Umatilla County OR
Median Age
36.7
Under 18
24.8%
Age 65+
16.2%
Bachelor's+
18%
Umatilla County School Districts
Umatilla County is served by 10 public school districts with 13,036 students enrolled in 2024. The largest districts on the county map are Hermiston 8, Pendleton 16 and Milton-Freewater 7. Those three districts account for about 75% 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 Umatilla County OR
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Hermiston School District 8 | 5,320 | 40.8% | ▾ -1.8% |
| Pendleton School District 16 | 2,901 | 22.3% | ▴ 0.4% |
| Milton-Freewater School District 7 | 1,547 | 11.9% | ▴ 0.8% |
| Umatilla School District 6 | 1,450 | 11.1% | ▴ 1.5% |
| Stanfield School District 61 | 499 | 3.8% | ▴ 2.9% |
| Download all school district data | |||
Umatilla County school district enrollment and trends per most recent NCES reporting data.
Umatilla County Housing & Real Estate
Umatilla County has a median home value of $256,100 and a median gross rent of $962. About 67% 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 $364,974 and homes spent about 86 days on the market.
Umatilla County Housing Mix
Umatilla County housing mix: owner, renter and vacant units.
Umatilla County Housing Trends
Umatilla County median home value and rent trend (last 5 years).
Businesses in Umatilla County, OR
Umatilla County has 3,052 business listings across 558 categories. The largest categories in Umatilla County business listings are Churches & Religious Organizations (94, 3.1%), Gas Stations (62, 2.0%), and Parks & Recreation (58, 1.9%). The full Umatilla County business listings dataset includes names, categories, addresses and contact details where available. Umatilla County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Umatilla County, OR
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 94 | 3.1% |
| Gas Stations | 62 | 2.0% |
| Parks & Recreation | 58 | 1.9% |
| Landmark And Historical Building | 48 | 1.6% |
| Contractors | 38 | 1.2% |
| Farm | 36 | 1.2% |
| Mexican Restaurants | 36 | 1.2% |
| Hotels | 35 | 1.1% |
| Public And Government Association | 35 | 1.1% |
| Convenience Stores | 34 | 1.1% |
Umatilla County Business Listings
| Business | Category | City |
|---|---|---|
| Milton Freewater Health and Rehabilitation Center | Abuse And Addiction Treatment | Milton-Freewater |
| Tonya's House | Accommodation | Pendleton |
| Dickey & Tremper | Accountant | Pendleton |
| Pendleton Little League Park | Active Life | Pendleton |
| Acupuncture Botanicals Center | Acupuncture | Pendleton |
| Third Day Creations | Advertising Agency | Hermiston |
| M&J Martinez Garden | Agricultural Cooperatives | Milton-Freewater |
| B & C Sheep | Agricultural Production | Hermiston |
| Farm Equipment Headquarters Inc | Agricultural Service | Pendleton |
| River Rock Vineyard | Agriculture | Milton-Freewater |
| Download Umatilla County business listings | ||
Umatilla County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Umatilla County Basemaps
Umatilla 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 Umatilla County Data Package
This page shows a preview of what's included in the Umatilla 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 Umatilla County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.