Fairfield, WA 99012 ZIP Code Profile

Related Place Profiles:
Fairfield, WA

ZIP Code 99012: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Fairfield, WA 99012

  • ZIP Code Type: STANDARD
  • County: Spokane County
  • Centroid: Latitude 47.388, Longitude -117.206
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes
  • Businesses Addresses: 32
  • PO Box Addresses: 173
  • Residential Addresses: 213
    • Multi-Family Addresses: 0
    • Single Family Addresses: 213

The ZIP Code maps and database are updated 4 times per year.
Database updated: May 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


99012 ZIP Code Map

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Fairfield, WA 99012 Data & Demographics (As of July 1, 2017)


Total Population 1,122
Daytime Population: Workers 136
Daytime Population: Residents 581
Total Daytime Population (TDP) 717
Ratio TDP/Total Population1 0.64
Population in Households 1,094
Population in Familes 909
Population in Group Qrtrs 28
Population Density2 11
Diversity Index3 19


Median Household Income $45,983
Average Household Income $57,113
Per Capita Income $21,655


Total Housing Units 436 (100%)
Owner Occupied HU 325 (74.5%)
Renter Occupied HU 84 (19.3%)
Vacant Housing Units 27 ( 6.2%)
Median Home Value $148,457
Average Home Value $204,923


Total Households 409
Average Household Size 2.67
Family Households 289
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.76% 0.82%
Households 0.59% 0.77%
Families 0.49% 0.75%
Median Household Income   1.84%
Per Capita Income   2.53%

Fairfield, WA 99012 - Peer Comparisons by Rank and Percentile

The table below compares 99012 to the other 585 ZIP Codes in Washington by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 413 30th
Population Density # 457 22nd
Diversity Index # 516 12th
Median Household Income # 441 25th
Per Capita Income # 508 13th

Additional comparisons and rankings can be made with a VERY EASY TO USE Washington Census Data Comparison Tool.

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