Residential delivery area · Washington
ZIP Code 98848: Quincy, WA
ZIP code 98848 uses the postal name Quincy, Washington and lies mostly in Grant County (98% of its land) with the rest in Douglas County (Census 2020 ZIP-county file). About 13,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $87,714 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Quincy (1%), George (under 1%), Crescent Bar (under 1%) and Sunland Estates (under 1%); 98% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Quincy · its only residential ZIP
- County
- Grant County (98%); Douglas County (2%)
- Census places
- Quincy (1%); George (under 1%); Crescent Bar (under 1%) census-designated place; Sunland Estates (under 1%) census-designated place
- Micro area
- Moses Lake, WA
- House district
- WA-4 119th Congress
- State
- Washington
- Time zone
- Pacific
- Land area
- 456.8 sq mi · 28 people per sq mi
Where is ZIP code 98848?
98848 centers on 47.169°, -119.843° and covers 456.8 square miles of land plus 9.2 of water. It borders 9 ZIP codes: 98824, 98823, 98850, 98845, 99357, 99321, 98837, 98950, 98926.
The map draws ZIP code areas only. For the streets inside 98848, 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 98848 compare with the rest of Grant County?
| Measure | 98848 | In Grant County | In WA |
|---|---|---|---|
| People (ACS 2020-2024) | 12,854 | 3rd of 19 | 212th of 605 |
| Median household income | $88k | 1st of 8 | 208th of 363 |
| Median home value | $358k | 2nd of 9 | 320th of 392 |
Its median household income is higher than in 71% of U.S. residential ZIP codes, and it is denser than 32% 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 98848?
The 2020 Census counted 13,392 people in 98848; the ACS, which samples households over 2020-2024, estimates 12,854. Between the 2010 and 2020 censuses its population grew 16.3% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 12,854
- 2020 Census count
- 13,392+16.3% since 2010 (11,518)
- Households
- 4,024
- Median age
- 33.5
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 98848?
Of the 12,854 people the ACS estimates in 98848, 27.8% are under 18 and 15.3% are 65 or older. The largest group by race and Hispanic origin is Hispanic or Latino (70.1%), then White (not Hispanic) (25.4%).
- Under 1827.8%
- 18 to 6456.9%
- 65 and older15.3%
- Hispanic or Latino70.1%
- White, not Hispanic25.4%
- Other or two or more2.9%
- Black, not Hispanic0.9%
- Asian, 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 98848 earn?
Median household income is $87,714 (ACS 2020-2024), the highest of the 8 ranked ZIP codes in Grant County. It is not measurably different from 2015-2019 ($77,695 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $87,714±$10,858
- Income per person
- $31,801
- Below the poverty line
- 9.5%
- Unemployed (of the labor force)
- 6.1%
- Adults 25+ with a bachelor's degree
- 18.4%
- Adjusted gross income per tax return, 2022
- $60,4407,030 returns; wages 70% 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 98848?
FHFA's house price index for 98848, built from repeat sales and appraisals of the same homes, rose 110% from 2015 to 2025 and rose 56% from 2020 to 2025, and moved +2.5% in 2025.
- Median home value (owners' estimate)
- $357,500
- Median gross rent
- $1,100
- Homes owned by their occupants
- 67.7%
- Housing units
- 5,733
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 98848?
330 business establishments had a location in this ZIP code in 2023, 43 more than in 2018; the most are in accommodation and food services (ZIP Code Business Patterns).
- Accommodation and food services48
- Retail trade41
- Construction39
- Health care and social assistance25
- Transportation and warehousing24
- Other services (except public administration)24
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 98848?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 98824 | George | 147 | $44k | 7.0 mi |
| 98823 | Ephrata | 12,188 | $73k | 15.2 mi |
| 98850 | Rock Island | 2,032 | $83k | 18.7 mi |
| 98845 | Palisades | 115 | $56k | 19.2 mi |
| 99357 | Royal City | 3,843 | $57k | 21.0 mi |
| 99321 | Beverly | 1,047 | $76k | 21.5 mi |
| 98837 | Moses Lake | 49,455 | $75k | 24.8 mi |
| 98950 | Vantage | 61 | – | 25.2 mi |
| 98926 | Ellensburg | 34,353 | $71k | 27.1 mi |
| 98828 | Malaga | 1,898 | $70k | 18.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.