Saint John, WA 99171 ZIP Code Profile

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Saint John, WA

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ZIP Code 99171: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Saint John, WA 99171

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 52
  • Single Family Addresses: 296
  • Multi-Family Addresses: 16
  • County: Whitman County
  • Centroid: Latitude 47.092, Longitude -117.584
  • 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.


99171 ZIP Code Map

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Saint John, WA 99171 Data & Demographics (As of July 1, 2016)


Total Population 923
Population in Households 923
Population in Familes 717
Population in Group Qrtrs 0
Population Density1 4
Diversity Index2 16


Total Households 432
Average Household Size 2.14
Family Households 257
Average Family Size 3


Total Housing Units 506 (100%)
Owner Occupied HU 317 (62.6%)
Renter Occupied HU 115 (22.7%)
Vacant Housing Units 74 (14.6%)
Median Home Value $105,500
Average Home Value $133,123


Median Household Income $40,332
Average Household Income $52,053
Per Capita Income $24,363
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.3% 0.62%
Households 0.53% 0.77%
Families 0.44% 0.77%
Median Household Income   2.48%
Per Capita Income   2.37%
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.

Saint John, WA 99171 - Peer Comparisons by Rank and Percentile

The table below compares 99171 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 # 433 26th
Population Density1 # 511 13th
Diversity Index2 # 543 7th
Median Household Income # 488 17th
Per Capita Income # 389 34th

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