Residential delivery area · Washington
ZIP Code 98850: Rock Island, WA
ZIP code 98850 uses the postal name Rock Island, Washington and lies entirely in Douglas County (Census 2020 ZIP-county file). About 2,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $83,125 (Census Bureau, ACS 2020-2024). By Census place, 2% of its land lies in Rock Island; 99% is outside any Census place.
- ACS2020-24
- Census2020
- ZBP2023
- IRS2022
- Town
- Rock Island · its only residential ZIP
- County
- Douglas County
- Census places
- Rock Island
- Metro area
- Wenatchee-East Wenatchee, WA
- House district
- WA-4 119th Congress
- State
- Washington
- Time zone
- Pacific
- Land area
- 76.3 sq mi · 27 people per sq mi
Where is ZIP code 98850?
98850 centers on 47.405°, -120.039° and covers 76.3 square miles of land plus 2.9 of water. It borders 6 ZIP codes: 98845, 98802, 98828, 98848, 98858, 98926.
The map draws ZIP code areas only. For the streets inside 98850, 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 98850 compare with the rest of Douglas County?
| Measure | 98850 | In Douglas County | In WA |
|---|---|---|---|
| People (ACS 2020-2024) | 2,032 | 7th of 12 | 363rd of 605 |
| Median household income | $83k | 3rd of 9 | 232nd of 363 |
| Median home value | $375k | 3rd of 9 | 307th of 392 |
Its median household income is higher than in 66% of U.S. residential ZIP codes, and it is denser than 31% 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 98850?
The 2020 Census counted 1,964 people in 98850; the ACS, which samples households over 2020-2024, estimates 2,032. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 2,032±491 (90% margin)
- 2020 Census count
- 1,964
- Households
- 684
- Median age
- 37.1
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 98850?
Of the 2,032 people the ACS estimates in 98850, 26.8% are under 18 and 12.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (52.1%), then Hispanic or Latino (39.0%).
- Under 1826.8%
- 18 to 6460.3%
- 65 and older12.9%
- White, not Hispanic52.1%
- Hispanic or Latino39.0%
- Other or two or more7.9%
- Black, not Hispanic1.1%
- Asian, not Hispanic0.0%
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 98850 earn?
Median household income is $83,125 (ACS 2020-2024), the 3rd highest of the 9 ranked ZIP codes in Douglas County.
- Median household income
- $83,125±$10,267
- Income per person
- $27,599
- Below the poverty line
- 10.5%
- Unemployed (of the labor force)
- 1.7%
- Adults 25+ with a bachelor's degree
- 10.9%
- Adjusted gross income per tax return, 2022
- $62,0271,110 returns; wages 76% 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 98850?
- Median home value (owners' estimate)
- $374,700
- Median gross rent
- $1,031
- Homes owned by their occupants
- 82.0%
- Housing units
- 711
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 98850?
36 business establishments had a location in this ZIP code in 2023, 11 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction14
- Retail trade5
- Administrative and support and waste management and remediation services3
- Accommodation and food services3
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 98850?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 98845 | Palisades | 115 | $56k | 5.4 mi |
| 98802 | East Wenatchee | 33,539 | $88k | 8.4 mi |
| 98828 | Malaga | 1,898 | $70k | 9.3 mi |
| 98848 | Quincy | 12,854 | $88k | 18.7 mi |
| 98858 | Waterville | 1,783 | $79k | 20.1 mi |
| 98926 | Ellensburg | 34,353 | $71k | 32.4 mi |
| 98801 | Wenatchee | 45,426 | $82k | 14.4 mi (near) |
| 98836 | Monitor | 429 | – | 19.2 mi (near) |
| 98823 | Ephrata | 12,188 | $73k | 19.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.