Residential delivery area · Washington

ZIP Code 99012: Fairfield, WA

ZIP code 99012 uses the postal name Fairfield, Washington and lies entirely in Spokane County (Census 2020 ZIP-county file). About 1,200 people live there (Census Bureau, ACS 2020-2024). Median household income is $88,571 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Fairfield; more than 99% is outside any Census place.

ACS2020-24
Census2020
FHFA2024
ZBP2023
IRS2022

9national area: Washington, Alaska, California, Hawaii, Oregon and 7 more

990sectional center: Spokane, WA (SCF 990)

12delivery area within it

Town: Fairfield · its only residential ZIP
County: Spokane County
Census places: Fairfield
Metro area: Spokane-Spokane Valley, WA
House district: WA-5 119th Congress
State: Washington
Time zone: Pacific
Land area: 93.6 sq mi · 12 people per sq mi

Where is ZIP code 99012?

99012 centers on 47.381°, -117.191° and covers 93.6 square miles of land. It borders 8 ZIP codes: 99039, 99018, 99031, 99030, 99036, 83876, 99170, 83851.

Shaded by median household income, in national fifths (ACS 2020-2024); 99012 outlined. Census 2020 ZCTA boundaries. <$54.1k$98.1k+no figure

The map draws ZIP code areas only. For the streets inside 99012, 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 99012 compare with the rest of Spokane County?

Rank of 99012 among the residential ZIP codes of its town, county and state (1 = the most; income and home value among ZIP codes of 1,000+ people living in households)
Measure	99012	In Spokane County	In WA
People (ACS 2020-2024)	1,167	36th of 48	410th of 605
Median household income	$89k	11th of 34	201st of 363
Median home value	$334k	28th of 33	332nd of 392

Its median household income is higher than in 72% of U.S. residential ZIP codes, and it is denser than 19% 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 99012?

The 2020 Census counted 1,018 people in 99012; the ACS, which samples households over 2020-2024, estimates 1,167. Between the 2010 and 2020 censuses its population fell 4.3% (its boundary stayed at least 90% the same).

People, ACS 2020-2024: 1,167±422 (90% margin)
2020 Census count: 1,018−4.3% since 2010 (1,064)
Households: 354
Median age: 37.8

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 99012?

Of the 1,167 people the ACS estimates in 99012, 24.3% are under 18 and 16.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (89.7%).

Under 1824.3%
18 to 6459.3%
65 and older16.5%

Age of the people of 99012 (ACS 2020-2024, B01001)

White, not Hispanic89.7%
Other or two or more7.5%
Hispanic or Latino1.7%
Black, not Hispanic1.1%
Asian, not Hispanic0.0%

Race and Hispanic origin in 99012 (ACS 2020-2024, B03002); each person counted once

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 99012 earn?

Median household income is $88,571 (ACS 2020-2024), the 11th highest of the 34 ranked ZIP codes in Spokane County. It rose from $66,973 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.

Median household income: $88,571
Income per person: $34,545
Below the poverty line: 6.4%
Unemployed (of the labor force): 11.0%
Adults 25+ with a bachelor's degree: 22.1%
Adjusted gross income per tax return, 2022: $72,409440 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 99012?

Median home value (owners' estimate): $333,700
Median gross rent: $1,107
Homes owned by their occupants: 78.5%
Housing units: 385

Index = 100 in 2002, the first year FHFA reports for 99012; 2024: 277.7. Annual, not seasonally adjusted; FHFA calls its ZIP-level indexes developmental. FHFA's series for 99012 stops in 2024: it publishes no ZIP index for a year with too few repeat sales.

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 99012?

13 business establishments had a location in this ZIP code in 2023, 2 more than in 2018; the most are in wholesale trade (ZIP Code Business Patterns).

Wholesale trade3

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 99012?

ZIP codes that share a boundary with 99012, then the nearest by center
ZIP	Town	People	Household income	Distance
99039	Waverly	166	$66k	3.5 mi
99018	Latah	272	$53k	6.5 mi
99031	Spangle	1,251	$98k	6.9 mi
99030	Rockford	919	$86k	7.6 mi
99036	Valleyford	1,581	$122k	10.3 mi
83876	Worley, ID	1,563	$61k	12.4 mi
99170	Rosalia	926	$59k	13.1 mi
83851	Plummer, ID	2,113	$57k	14.9 mi
99033	Tekoa	832	$59k	11.3 mi (near)
99023	Mica	800	$114k	12.9 mi (near)

Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.