Zip Code 97838
Hermiston, Oregon — Umatilla County
📍 ZIP code 97838 is in Hermiston, Umatilla County, Oregon.
ZIP code 97838 is located in Hermiston, Umatilla County, Oregon. It is a zip code in the Pacific (PST/PDT) Time Zone with an estimated population of 27,979. The area code for ZIP code 97838 is 541.
Quick Answer
Zip code 97838 is in Hermiston, Oregon (Umatilla County). It has a population of 27,979, median household income of $76,032, and median home value of $274,400.
Population
27,979
Income
$76,032
Home Value
$274,400
Climate
89°F / 26°F
About Zip Code 97838
Zip code 97838 is located in Hermiston, Oregon, within Umatilla County. Home to approximately 27,979 residents, this area sits at an elevation of 447 ft and falls within the Pacific (PST/PDT) timezone. The local area code is 541.
The median household income is $76,032 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $274,400, and the cost of living index is 101 (1% above the national average of 100).
Summers average a high of 89°F while winters drop to 26°F. The area receives about 9 in of rain and 15 in of snow annually. The zip code covers 164.5 square miles of land area and 10.9 square miles of water.
Key Statistics
27,979
$76,032
$274,400
Pacific (PST/PDT)
541
447 ft
164.5 sq mi
34.8
10,166
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Compare With Nearby Zip Codes
| Metric | 97838 | 97882 | 97875 | 99346 | 97844 | 97826 |
|---|---|---|---|---|---|---|
| City | Hermiston, OR | Umatilla, OR | Stanfield, OR | Plymouth, WA | Irrigon, OR | Echo, OR |
| Population | 27,979 | 8,043 | 2,522 | 269 | 3,569 | 1,154 |
| Median Income | $76,032 | $60,474 | $67,679 | $50,588 | $73,917 | $58,676 |
| Home Value | $274,400 | $192,100 | $204,300 | $214,700 | $211,600 | $410,300 |
| Cost of Living | 101 | 68 | 77 | 81 | 81 | 119 |
| Median Age | 34.8 | 34.7 | 43.2 | 41 | 36.5 | 31.1 |
Cost of Living
100 = National Average. Hermiston's cost of living is 1% above the national average.
vs. State Avg
Above
Affordability
Moderate
Income-to-Home
3.6x
Demographics
Zip code 97838 has a population of 27,979 people with a median age of 34.8. There are 10,166 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Hermiston (97838) population trend from 2010 to 2024
↑ 12.6%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
89°F
26°F
9 in
15 in
Hermiston experiences warm summers with average highs around 89°F. Winters are cool with lows averaging 26°F. The area receives about 15 in of snow per year.
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Housing & Economy
Median Home Value
$274,400
Median Household Income
$76,032
With 10,166 housing units across 164.5 square miles, 97838 has a housing density of 62 units per square mile. The home price-to-income ratio is 3.6x.
Location & Geography
Latitude
45.8530°
Longitude
-119.2873°
Land Area
164.5 sq mi
Water Area
10.9 sq mi
Nearby Zip Codes
Zip codes closest to 97838 (Hermiston, OR) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 97838's $76,032. A way to compare Hermiston to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 97838 (Hermiston, OR). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Hermiston, Oregon?
Hermiston, Oregon uses zip code 97838.
What county is zip code 97838 in?
Zip code 97838 is located in Umatilla County, Oregon.
What is the population of zip code 97838?
The population of zip code 97838 is 27,979 with a median age of 34.8.
Is 97838 in Hermiston, Oregon?
Yes, zip code 97838 is in Hermiston, Umatilla County, Oregon. The area code is 541.
Frequently Asked Questions
What city is zip code 97838 in?
Zip code 97838 is in Hermiston, Oregon. It is part of Umatilla County and uses the Pacific (PST/PDT) timezone.
What is zip code 97838?
Zip code 97838 is a U.S. postal code in Hermiston, Oregon (Umatilla County). It has a population of 27,979 and covers 164.5 square miles.
What is the population of zip code 97838?
The population of zip code 97838 (Hermiston, OR) is 27,979 with a median age of 34.8. There are approximately 10,166 housing units in this area.
What is the median income in zip code 97838?
The median household income in zip code 97838 (Hermiston, OR) is $76,032 per year. The cost of living index is 101 (100 = national average).
What is the average home price in zip code 97838?
The median home value in zip code 97838 (Hermiston, OR) is $274,400. The cost of living index is 101 compared to the national average of 100.
What county is zip code 97838 in?
Zip code 97838 is located in Umatilla County, Oregon. The primary city is Hermiston.
What is the area code for zip code 97838?
Zip code 97838 in Hermiston, OR uses area code 541. It is located in the Pacific (PST/PDT) timezone.
Is zip code 97838 a good place to live?
Zip code 97838 (Hermiston, OR) has a cost of living index of 101 (100 = national average), a median household income of $76,032, and median home values of $274,400. The median age is 34.8. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 97838?
The cost of living index for zip code 97838 (Hermiston, OR) is 101, where 100 represents the national average. This area is above the national average. Median home value: $274,400.
What schools serve zip code 97838?
Zip code 97838 in Hermiston, Oregon is served by the local school district of Umatilla County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.