99012 ZIP Code — Fairfield, WA

Spokane County, Washington

ZIP code 99012 is located in Fairfield, Washington, within Spokane County. It covers approximately 93.57 square miles and serves a population of 1,111 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 509.

About ZIP code 99012

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $258,500. Owner-occupancy sits near the national average at 69%.

Median household income is $64,659.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. An above-average commute of 36 minutes suggests many residents work outside the immediate area.

Educational attainment is near the national average, with 27% of residents holding a bachelor's degree or higher.

Notable community characteristics include a notable veteran presence at 14% of civilians, above the national average of 7%.

1,111

population

93.57

sq mi land

Standard

ZIP type

Pacific (PT)

timezone

99012 ZIP code map

Cities in ZIP code 99012

Below are the cities the US Postal Service accepts for ZIP code 99012. Using any city not on this list may result in mail delivery delays.

City	Status
Fairfield	Preferred

Nearby ZIP codes

99030 Rockford (6.9 mi) 99018 Latah (7 mi) 99031 Spangle (8 mi) 99036 Valleyford (9.5 mi) 99023 Mica (10.5 mi) 99033 Tekoa (10.7 mi) 99170 Rosalia (13.7 mi) 83876 Worley (14.2 mi) 99223 Spokane (15.3 mi) 99037 Veradale (16.3 mi) 99016 Greenacres (16.4 mi) 99016 Greenacres (16.4 mi)

Demographics updated 05/2026

Population
Total population	1,111
Population density	12 / sq mi
State FIPS	53
County FIPS	063

Geography
Land area	93.57 sq mi
Water area	0.00 sq mi
Latitude	47.3977
Longitude	-117.1922
Timezone	Pacific (PT)
Area code	509

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	34.4%	41.6%	31.7%
$50k – $100k	39.3%	32.2%	30.6%
$100k – $200k	24.0%	20.8%	27.1%
Over $200k	2.3%	5.5%	10.6%

Demographics & statistics

1,111

Population

People per sq mi

38.2

Median age

$64,659

Median household income

$25,948

Per capita income

$258,500

Median home value

$879

Median monthly rent

69.1%

Home ownership

9.0%

Poverty rate

11.0%

Unemployment

315

Housing units

27.2%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	262	23.6%
18 and over	849	76.4%
65 and over	204	18.4%
Median age	38.2 years

Race & ethnicity

White 94.5%

Two or more races 2.1%

American Indian / Alaska Native 2.1%

Hispanic or Latino 0.9%

Other race 0.4%

Group	Count	%
White	1,059	94.5%
Two or more races	24	2.1%
American Indian / Alaska Native	23	2.1%
Hispanic or Latino	10	0.9%
Other race	5	0.4%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	34.4%	41.6%	31.7%
$50k – $100k	39.3%	32.2%	30.6%
$100k – $200k	24.0%	20.8%	27.1%
Over $200k	2.3%	5.5%	10.6%

Under $10k 4.4%

$10k–$15k 4.1%

$15k–$25k 3.8%

$25k–$35k 4.7%

$35k–$50k 9.9%

$50k–$75k 31.5%

$75k–$100k 13.4%

$100k–$150k 20.1%

$150k–$200k 2.3%

$200k+ 5.8%

Range	% of households
Under $10k	4.4%
$10k–$15k	4.1%
$15k–$25k	3.8%
$25k–$35k	4.7%
$35k–$50k	9.9%
$50k–$75k	31.5%
$75k–$100k	13.4%
$100k–$150k	20.1%
$150k–$200k	2.3%
$200k+	5.8%
Median income	$64,659

Housing

Home values

Under $50k 1.3%

$50k–$100k 1.7%

$100k–$150k 13.9%

$150k–$200k 11.4%

$200k–$300k 41.4%

$300k–$500k 26.6%

$500k–$1M 3.8%

Housing overview

Metric	Value
Median home value	$258,500
Median rent / month	$879
Owner occupied	69.1%
Renter occupied	30.9%
Vacant	18.5%
Single-family detached	78.1%
Large apartment buildings	3.1%
Mobile homes	15.4%
Median rooms	7.1
Avg household size (owned)	3.44

Year built

Era	%
2020 or later	0.0%
2010–2019	1.7%
2000–2009	7.6%
1990–1999	3.1%
1980–1989	1.2%
1970–1979	9.0%
1960–1969	15.0%
1950–1959	7.4%
1940–1949	6.4%
1939 or earlier	48.7%

Bedrooms

Size	% of units
No bedroom (studio)	1.0%
1 bedroom	2.4%
2 bedrooms	18.5%
3 bedrooms	38.2%
4 bedrooms	33.5%
5+ bedrooms	6.4%

Vehicles per household

Vehicles	% of households
No vehicle	1.2%
1 vehicle	16.0%
2 vehicles	28.9%
3 or more	53.9%

Heating fuel

Fuel type	%
Electricity	63.6%
Propane / LP gas	1.2%
Fuel oil	16.9%
Wood	10.8%

Households & families

Household type	Count	%
Married-couple family	212	61.8%
Cohabiting couple	7	2.0%
Male householder, no spouse	77	22.4%
Female householder, no spouse	47	13.7%
Households with children under 18	116	33.8%
Households with seniors (65+)	104	30.3%
Average household size	3.05

Marital status

Status	Male	Female
Never married	28.3%	30.6%
Married	58.1%	47.0%
Separated	2.2%	10.8%
Widowed	1.7%	5.9%
Divorced	9.6%	5.7%

Education

Less than 9th grade 5.1%

Some HS, no diploma 3.4%

HS graduate 32.5%

Some college, no degree 15.0%

Associate's degree 16.9%

Bachelor's degree 22.2%

Graduate / professional 4.9%

Metric	%
HS diploma or higher	91.5%
Bachelor's or higher	27.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	3	1.3%
Kindergarten	37	16.3%
Elementary school	124	54.6%
High school	46	20.3%
College / grad school	17	7.5%

Employment

Industry of employment

Education & healthcare 21.4%

Agriculture & mining 10.2%

Transportation & utilities 10.0%

Other services 10.0%

Retail trade 8.0%

Finance & real estate 6.6%

Arts, food & hospitality 6.6%

Professional & management 6.3%

Construction 6.1%

Wholesale trade 6.1%

Public administration 4.1%

Manufacturing 3.9%

Information 0.7%

Occupation

Category	%
Management, business & arts	30.4%
Service	15.6%
Sales & office	22.4%
Natural resources & construction	16.8%
Production & transportation	14.8%

Employment type

Type	%
Private sector	79.1%
Government	18.0%
Self-employed	2.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	87.2%
Carpool	1.9%
Public transit	0.0%
Walk	0.0%
Work from home	10.2%
Other means	0.8%
Avg commute (minutes)	35.6

Poverty

All people 9.0%

Under 18 years 13.7%

18 and over 7.4%

Married-couple families 4.2%

Female-led households 36.0%

Income support

Source	% of households
Social Security	30.0%
Retirement income	15.7%
Supplemental Security	13.1%
Cash public assistance	9.6%
Food stamps / SNAP	11.4%

Health indicators

Condition	%
Obesity	33.4%
High blood pressure	33.3%
High cholesterol	33.5%
Diabetes	9.9%
Heart disease	7.9%
Stroke	3.6%
Asthma	11.0%
Arthritis	31.3%
Kidney disease	3.4%
Pulmonary disease	7.8%
Cancer	8.3%

Behavior / access	%
Smoking	15.6%
Binge drinking	15.7%
No physical activity	20.3%
Less than 7 hrs sleep	31.2%
Depression	25.6%
Fair or poor health	15.3%
Poor mental health	15.2%
Poor physical health	12.1%
No health insurance	9.2%
Visited doctor (checkup)	71.9%
Visited dentist	66.6%
Cholesterol screening	88.7%
Teeth loss	13.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	116	13.7%

Disability	%
Any disability	17.7%
Under 18	4.2%
18–64 years	18.0%
65 and over	38.0%

Health insurance coverage

Type	%
Private insurance	47.9%
Public insurance	58.7%
No insurance	5.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,091	98.2%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,111	100.0%
Born in same state	1,103	99.3%
Born in different state	745	67.1%
Foreign born	8	0.7%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	163	14.7%
French	125	11.3%
Arab	46	4.1%
Polish	35	3.2%

Ancestry	Count	%
Dutch	24	2.2%
Irish	16	1.4%
English	9	0.8%

Technology access

Metric	% of households
Computer access	30.9%
Internet access	97.1%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 99012

What city is ZIP code 99012 in?

ZIP code 99012 is primarily assigned to Fairfield, Washington.

What county is ZIP code 99012 in?

ZIP code 99012 falls within Spokane County, Washington.

Does ZIP code 99012 have a large veteran population?

14% of civilians in ZIP code 99012 are veterans, above the national average of ~7%.

What is the population of ZIP code 99012?

ZIP code 99012 has an estimated population of 1,111 residents, with a density of 12 people per square mile.

What is the median household income in ZIP code 99012?

The median household income in ZIP code 99012 is $64,659, below the national median of ~$75,000.

What is the typical home value in ZIP code 99012?

The median home value in ZIP code 99012 is $258,500.

What timezone is ZIP code 99012 in?

ZIP code 99012 observes the PST timezone.