Residential delivery area · Oregon
ZIP Code 97838: Hermiston, OR
ZIP code 97838 uses the postal name Hermiston, Oregon and lies mostly in Umatilla County (74% of its land) with the rest in Morrow County (Census 2020 ZIP-county file). About 29,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $69,599 (Census Bureau, ACS 2020-2024). By Census place, 4% of its land lies in Hermiston; 96% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Hermiston · its only residential ZIP
- County
- Umatilla County (74%); Morrow County (26%)
- Census places
- Hermiston
- Micro area
- Hermiston-Pendleton, OR
- House district
- OR-2 119th Congress
- State
- Oregon
- Time zone
- Pacific
- Land area
- 202.5 sq mi · 141 people per sq mi
Where is ZIP code 97838?
97838 centers on 45.851°, -119.288° and covers 202.5 square miles of land plus 10.9 of water. It borders 11 ZIP codes: 97882, 97875, 99346, 97844, 97826, 99337, 99363, 97818, 97839, 97835 and more.
The map draws ZIP code areas only. For the streets inside 97838, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 97838 compare with the rest of Umatilla County?
| Measure | 97838 | In Umatilla County | In OR |
|---|---|---|---|
| People (ACS 2020-2024) | 28,512 | 2nd of 14 | 59th of 428 |
| Median household income | $70k | 5th of 8 | 152nd of 226 |
| Median home value | $307k | 3rd of 8 | 220th of 257 |
Its median household income is higher than in 46% of U.S. residential ZIP codes, and it is denser than 58% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 97838?
The 2020 Census counted 28,387 people in 97838; the ACS, which samples households over 2020-2024, estimates 28,512. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 28,512
- 2020 Census count
- 28,387
- Households
- 9,894
- Median age
- 34.3
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 97838?
Of the 28,512 people the ACS estimates in 97838, 27.6% are under 18 and 13.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (47.9%), then Hispanic or Latino (46.4%).
- Under 1827.6%
- 18 to 6459.3%
- 65 and older13.2%
- White, not Hispanic47.9%
- Hispanic or Latino46.4%
- Other or two or more4.0%
- Asian, not Hispanic1.1%
- Black, not Hispanic0.7%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 97838 earn?
Median household income is $69,599 (ACS 2020-2024), the 5th highest of the 8 ranked ZIP codes in Umatilla County.
- Median household income
- $69,599±$9,735
- Income per person
- $33,369
- Below the poverty line
- 10.1%
- Unemployed (of the labor force)
- 5.1%
- Adults 25+ with a bachelor's degree
- 16.4%
- Adjusted gross income per tax return, 2022
- $66,37812,000 returns; wages 75% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 97838?
FHFA's house price index for 97838, built from repeat sales and appraisals of the same homes, rose 100% from 2015 to 2025 and rose 44% from 2020 to 2025, and moved +6.7% in 2025.
- Median home value (owners' estimate)
- $306,500
- Median gross rent
- $1,107
- Homes owned by their occupants
- 71.2%
- Housing units
- 10,574
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 97838?
659 business establishments had a location in this ZIP code in 2023, 40 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade92
- Construction83
- Health care and social assistance76
- Accommodation and food services69
- Other services (except public administration)58
- Transportation and warehousing47
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 97838?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 97882 | Umatilla | 7,976 | $69k | 4.9 mi |
| 97875 | Stanfield | 2,410 | $58k | 7.1 mi |
| 99346 | Plymouth, WA | 198 | $51k | 12.4 mi |
| 97844 | Irrigon | 3,701 | $76k | 12.8 mi |
| 97826 | Echo | 1,178 | $59k | 13.2 mi |
| 99337 | Kennewick, WA | 33,287 | $99k | 16.6 mi |
| 99363 | Wallula, WA | 145 | – | 23.6 mi |
| 97818 | Boardman | 5,610 | $62k | 24.3 mi |
| 97839 | Lexington | 116 | $41k | 24.6 mi |
| 97835 | Helix | 608 | $132k | 25.0 mi |
| 97801 | Pendleton | 21,575 | $72k | 25.6 mi |
| 99345 | Paterson, WA | 162 | $103k | 18.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.