Residential delivery area · Washington
ZIP Code 99301: Pasco, WA
ZIP code 99301 uses the postal name Pasco, Washington and lies entirely in Franklin County (Census 2020 ZIP-county file). About 87,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $87,951 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Pasco (7%) and West Pasco (under 1%); 93% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Pasco · its only residential ZIP
- County
- Franklin County
- Census places
- Pasco (7%); West Pasco (under 1%) census-designated place
- Metro area
- Kennewick-Richland, WA
- House districts
- WA-5 (75%), WA-4 (25%) 119th Congress, by share of land
- State
- Washington
- Time zone
- Pacific
- Land area
- 486.3 sq mi · 179 people per sq mi
- PO Box ZIPs
- 99302 also use the name Pasco
Where is ZIP code 99301?
99301 centers on 46.378°, -118.952° and covers 486.3 square miles of land plus 13.9 of water. It borders 11 ZIP codes: 99330, 99323, 99336, 99354, 99343, 99352, 99326, 99337, 99348, 99335 and more.
The map draws ZIP code areas only. For the streets inside 99301, 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 99301 compare with the rest of Franklin County?
| Measure | 99301 | In Franklin County | In WA |
|---|---|---|---|
| People (ACS 2020-2024) | 87,044 | 1st of 7 | 1st of 605 |
| Median household income | $88k | 1st of 3 | 206th of 363 |
| Median home value | $386k | 2nd of 5 | 295th of 392 |
Its median household income is higher than in 71% of U.S. residential ZIP codes, and it is denser than 61% 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 99301?
The 2020 Census counted 85,272 people in 99301; the ACS, which samples households over 2020-2024, estimates 87,044. Between the 2010 and 2020 censuses its population grew 25.0% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 87,044
- 2020 Census count
- 85,272+25.0% since 2010 (68,191)
- Households
- 27,093
- Median age
- 30.6
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 99301?
Of the 87,044 people the ACS estimates in 99301, 31.1% are under 18 and 10.3% are 65 or older. The largest group by race and Hispanic origin is Hispanic or Latino (57.2%), then White (not Hispanic) (35.2%).
- Under 1831.1%
- 18 to 6458.6%
- 65 and older10.3%
- Hispanic or Latino57.2%
- White, not Hispanic35.2%
- Other or two or more4.1%
- Black, not Hispanic1.8%
- Asian, not Hispanic1.7%
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 99301 earn?
Median household income is $87,951 (ACS 2020-2024), the highest of the 3 ranked ZIP codes in Franklin County. It rose from $78,909 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $87,951
- Income per person
- $34,802
- Below the poverty line
- 12.9%
- Unemployed (of the labor force)
- 5.1%
- Adults 25+ with a bachelor's degree
- 21.9%
- Adjusted gross income per tax return, 2022
- $70,70537,870 returns; wages 74% 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 99301?
FHFA's house price index for 99301, built from repeat sales and appraisals of the same homes, rose 113% from 2015 to 2025 and rose 43% from 2020 to 2025, and moved +0.9% in 2025.
- Median home value (owners' estimate)
- $385,500
- Median gross rent
- $1,228
- Homes owned by their occupants
- 71.4%
- Housing units
- 28,270
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 99301?
1,794 business establishments had a location in this ZIP code in 2023, 275 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction359
- Retail trade209
- Health care and social assistance179
- Accommodation and food services161
- Other services (except public administration)153
- Transportation and warehousing149
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 99301?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 99330 | Eltopia | 1,210 | $140k | 8.9 mi |
| 99323 | Burbank | 4,082 | $93k | 13.6 mi |
| 99336 | Kennewick | 50,735 | $63k | 15.6 mi |
| 99354 | Richland | 25,559 | $92k | 16.9 mi |
| 99343 | Mesa | 3,215 | $60k | 18.2 mi |
| 99352 | Richland | 37,430 | $100k | 18.6 mi |
| 99326 | Connell | 6,336 | $83k | 20.8 mi |
| 99337 | Kennewick | 33,287 | $99k | 23.6 mi |
| 99348 | Prescott | 1,633 | $79k | 24.7 mi |
| 99335 | Kahlotus | 229 | $92k | 30.6 mi |
| 98944 | Sunnyside | 22,817 | $64k | 35.4 mi |
| 99338 | Kennewick | 20,633 | $111k | 20.9 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.
Which other ZIP codes use the name Pasco?
1 more ZIP code carries the postal name Pasco, WA without a residential delivery area: PO boxes at the post office, or a single organization with its own ZIP code. The Census Bureau publishes no figures for it.
| ZIP | County |
|---|---|
| 99302 | Franklin County |
Source: GeoNames postal codes (CC BY 4.0), downloaded 2026-10-09; a ZIP code with no Census ZCTA has no residential delivery area.