Medical Lake, WA 99022 ZIP Code Profile

Related Place Profiles:
Espanola, WA | Medical Lake, WA

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ZIP Code 99022: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Medical Lake, WA 99022

Acceptable Alternative
Espanola, WA 99022

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 111
  • Single Family Addresses: 2,385
  • Multi-Family Addresses: 48
  • County: Spokane County
  • Centroid: Latitude 47.618, Longitude -117.713
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes

Neighborhood Data

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99022 ZIP Code Map

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Medical Lake, WA 99022 Data & Demographics (As of July 1, 2017)


Total Population 8,776
Daytime Population: Workers 1,988
Daytime Population: Residents 4,890
Total Daytime Population (TDP) 6,878
Ratio TDP/Total Population1 0.78
Population in Households 8,372
Population in Familes 6,971
Population in Group Qrtrs 404
Population Density2 120
Diversity Index3 30


Median Household Income $64,023
Average Household Income $78,441
Per Capita Income $29,470


Total Housing Units 3,389 (100%)
Owner Occupied HU 2,304 (68.0%)
Renter Occupied HU 833 (24.6%)
Vacant Housing Units 252 ( 7.4%)
Median Home Value $201,768
Average Home Value $251,096


Total Households 3,137
Average Household Size 2.67
Family Households 2,242
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 0.22% 0.69%
Households 0.45% 0.62%
Families 0.35% 0.56%
Median Household Income   2.76%
Per Capita Income   2.54%

Medical Lake, WA 99022 - Peer Comparisons by Rank and Percentile

The table below compares 99022 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 # 245 58th
Population Density # 303 48th
Diversity Index # 358 39th
Median Household Income # 178 70th
Per Capita Income # 272 54th

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

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