Colfax, WA 99111 ZIP Code Profile

Related Place Profiles:
Colfax, WA | Diamond, WA

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ZIP Code 99111: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Colfax, WA 99111

Acceptable Alternative
Diamond, WA 99111

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 241
  • Single Family Addresses: 1,539
  • Multi-Family Addresses: 151
  • County: Whitman County
  • Centroid: Latitude 46.879, Longitude -117.357
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes

Neighborhood 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 certain data.


99111 ZIP Code Map

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Colfax, WA 99111 Data & Demographics (As of July 1, 2016)


Total Population 4,197
Population in Households 4,119
Population in Familes 3,266
Population in Group Qrtrs 78
Population Density1 15
Diversity Index2 17


Total Households 1,846
Average Household Size 2.23
Family Households 1,149
Average Family Size 3


Total Housing Units 2,051 (100%)
Owner Occupied HU 1,230 (60.0%)
Renter Occupied HU 616 (30.0%)
Vacant Housing Units 205 ( 10.0%)
Median Home Value $153,693
Average Home Value $193,638


Median Household Income $50,284
Average Household Income $64,211
Per Capita Income $28,575
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.52% 0.84%
Households 0.77% 0.98%
Families 0.71% 0.96%
Median Household Income   2.88%
Per Capita Income   2.47%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Colfax, WA 99111 - Peer Comparisons by Rank and Percentile

The table below compares 99111 to the other 585 ZIP Codes in Washington by rank and percentile using July 1, 2016 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 # 307 48th
Population Density1 # 434 26th
Diversity Index2 # 542 8th
Median Household Income # 333 43rd
Per Capita Income # 249 58th

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

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