Residential delivery area · Washington
ZIP Code 98074: Sammamish, WA
ZIP code 98074 is in Sammamish, Washington, entirely in King County (Census 2020 ZIP-county file). About 31,000 people live there (Census Bureau, ACS 2020-2024), the more populous of Sammamish's 2 residential ZIP codes. Median household income is $244,362 (Census Bureau, ACS 2020-2024). By Census place, 86% of its land lies in Sammamish; 14% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Sammamish · 2 residential ZIPs
- County
- King County
- Census places
- Sammamish
- Metro area
- Seattle-Tacoma-Bellevue, WA
- House district
- WA-8 119th Congress
- State
- Washington
- Time zone
- Pacific
- Land area
- 10.5 sq mi · 2,933 people per sq mi
Where is ZIP code 98074?
98074 centers on 47.623°, -122.044° and covers 10.5 square miles of land plus 1.8 of water. It borders 4 ZIP codes: 98075, 98008, 98053, 98052.
The map draws ZIP code areas only. For the streets inside 98074, 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 98074 compare with the rest of Sammamish?
| Measure | 98074 | In Sammamish | In King County | In WA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 30,761 | 1st of 2 | 32nd of 89 | 97th of 605 |
| Median household income | $244k | 2nd of 2 | 3rd of 78 | 3rd of 363 |
| Median home value | $1.37M | 2nd of 2 | 9th of 78 | 9th of 392 |
Its median household income is higher than in more than 99% of U.S. residential ZIP codes, and it is denser than 88% 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 98074?
The 2020 Census counted 30,534 people in 98074; the ACS, which samples households over 2020-2024, estimates 30,761. Between the 2010 and 2020 censuses its population grew 18.6% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 30,761
- 2020 Census count
- 30,534+18.6% since 2010 (25,748)
- Households
- 10,272
- Median age
- 39.1
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 98074?
Of the 30,761 people the ACS estimates in 98074, 30.4% are under 18 and 8.6% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (49.9%), then Asian (not Hispanic) (39.1%).
- Under 1830.4%
- 18 to 6461.0%
- 65 and older8.6%
- White, not Hispanic49.9%
- Asian, not Hispanic39.1%
- Other or two or more5.8%
- Hispanic or Latino4.9%
- Black, not Hispanic0.4%
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 98074 earn?
Median household income is $244,362 (ACS 2020-2024), the 3rd highest of the 78 ranked ZIP codes in King County. It is not measurably different from 2015-2019 ($231,778 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $244,362
- Income per person
- $97,647
- Below the poverty line
- 5.4%
- Unemployed (of the labor force)
- 3.3%
- Adults 25+ with a bachelor's degree
- 79.9%
- Adjusted gross income per tax return, 2022
- $295,99413,090 returns; wages 81% 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 98074?
FHFA's house price index for 98074, built from repeat sales and appraisals of the same homes, rose 131% from 2015 to 2025 and rose 56% from 2020 to 2025, and moved +5.0% in 2025.
- Median home value (owners' estimate)
- $1,366,900
- Median gross rent
- $2,799
- Homes owned by their occupants
- 83.7%
- Housing units
- 10,425
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 98074?
452 business establishments had a location in this ZIP code in 2023, 38 fewer than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services138
- Health care and social assistance45
- Real estate and rental and leasing43
- Construction38
- Finance and insurance27
- Other services (except public administration)27
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 98074?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 98075 | Sammamish | 25,498 | $250k+ | 2.5 mi |
| 98008 | Bellevue | 27,242 | $185k | 3.3 mi |
| 98053 | Redmond | 22,765 | $192k | 3.5 mi |
| 98052 | Redmond | 80,717 | $164k | 5.4 mi |
| 98007 | Bellevue | 27,692 | $131k | 4.7 mi (near) |
| 98029 | Issaquah | 30,586 | $171k | 4.7 mi (near) |
| 98005 | Bellevue | 21,846 | $161k | 5.8 mi (near) |
| 98006 | Bellevue | 40,009 | $198k | 6.9 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.