Residential delivery area · Washington
ZIP Code 98303: Anderson Island, WA
ZIP code 98303 is in Anderson Island, Washington, entirely in Pierce County (Census 2020 ZIP-county file). About 1,400 people live there (Census Bureau, ACS 2020-2024). Median household income is $80,282 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- FHFA2021
- ZBP2023
- IRS2022
- Town
- Anderson Island · its only residential ZIP
- County
- Pierce County
- Census places
- Anderson Island census-designated place
- Metro area
- Seattle-Tacoma-Bellevue, WA
- House district
- WA-10 119th Congress
- State
- Washington
- Time zone
- Pacific
- Land area
- 8.0 sq mi · 182 people per sq mi
Where is ZIP code 98303?
98303 centers on 47.150°, -122.682° and covers 8.0 square miles of land plus 13.0 of water.
The map draws ZIP code areas only. For the streets inside 98303, 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 98303 compare with the rest of Pierce County?
| Measure | 98303 | In Pierce County | In WA |
|---|---|---|---|
| People (ACS 2020-2024) | 1,448 | 48th of 60 | 391st of 605 |
| Median household income | $80k | not ranked | not ranked |
| Median home value | $546k | 22nd of 44 | 165th of 392 |
98303's median household income is not ranked: its 90% margin of error (±$30,210) is more than a quarter of the figure ($80,282). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 62% of 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 98303?
The 2020 Census counted 1,302 people in 98303; the ACS, which samples households over 2020-2024, estimates 1,448. Between the 2010 and 2020 censuses its population grew 25.6% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 1,448±589 (90% margin)
- 2020 Census count
- 1,302+25.6% since 2010 (1,037)
- Households
- 819
- Median age
- 61.6
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 98303?
Of the 1,448 people the ACS estimates in 98303, 0.0% are under 18 and 39.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (80.0%), then Other or two or more (15.3%).
- Under 180.0%
- 18 to 6460.2%
- 65 and older39.8%
- White, not Hispanic80.0%
- Other or two or more15.3%
- Hispanic or Latino3.8%
- Black, not Hispanic0.9%
- 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 98303 earn?
Median household income is $80,282 (ACS 2020-2024). It is not measurably different from 2015-2019 ($98,255 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $80,282±$30,210
- Income per person
- $89,049
- Below the poverty line
- 23.1%
- Unemployed (of the labor force)
- 0.0%
- Adults 25+ with a bachelor's degree
- 44.0%
- Adjusted gross income per tax return, 2022
- $91,300680 returns; wages 49% 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 98303?
- Median home value (owners' estimate)
- $546,300
- Median gross rent
- –
- Homes owned by their occupants
- 96.6%
- Housing units
- 1,112
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 98303?
17 business establishments had a location in this ZIP code in 2023, 3 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction9
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 98303?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 98327 | Dupont | 9,931 | $121k | 3.2 mi (near) |
| 98388 | Steilacoom | 7,043 | $101k | 4.1 mi (near) |
| 98433 | Tacoma | 22,493 | $60k | 5.3 mi (near) |
| 98351 | Longbranch | 1,891 | $152k | 5.5 mi (near) |
| 98430 | Camp Murray | 582 | – | 5.8 mi (near) |
| 98498 | Lakewood | 29,209 | $92k | 5.9 mi (near) |
| 98516 | Olympia | 29,177 | $99k | 6.0 mi (near) |
| 98467 | University Place | 15,387 | $91k | 6.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.