Union Gap, WA Profile: Facts, Map & Data


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Union Gap, Washington - Basic Facts

The City of Union Gap had a population of 6,115 as of July 1, 2017. Union Gap ranks in the upper quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Washington. See peer rankings below.

The primary coordinate point for Union Gap is located at latitude 46.5544 and longitude -120.4921 in Yakima County. The formal boundaries for the City of Union Gap (see map below) encompass a land area of 5.06 sq. miles and a water area of 0 sq. miles. Yakima County is in the Pacific time zone (GMT -8). The elevation is 984 feet.

The City of Union Gap (GNIS ID: 2412131) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Washington is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The City of Union Gap is located within Yakima Division of Yakima County.

Beneath the boundary map are tables with Union Gap population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Alternate Unofficial Names for Union Gap: Yakima, Yakima City.

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City of Union Gap, WA Boundary Map

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Union Gap, WA Data & Demographics (As of July 1, 2017)


Total Population 6,115
Daytime Population: Workers 7,837
Daytime Population: Residents 3,681
Total Daytime Population (TDP) 11,518
Ratio TDP/Total Population1 1.88
Population in Households 6,051
Population in Familes 4,879
Population in Group Qrtrs 64
Population Density2 1,209
Diversity Index3 83


Median Household Income $38,214
Average Household Income $48,490
Per Capita Income $16,684


Total Housing Units 2,186 (100%)
Owner Occupied HU 1,242 (56.8%)
Renter Occupied HU 802 (36.7%)
Vacant Housing Units 142 ( 6.5%)
Median Home Value $95,051
Average Home Value $103,422


Total Households 2,044
Average Household Size 2.96
Family Households 1,388
Average Family Size 4
  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 0.15% 0.16%
Households -0.11% 0.01%
Families -0.31% -0.04%
Median Household Income   0.73%
Per Capita Income   1.97%

Union Gap, WA - Peer Comparisons by Rank and Percentile

The table below compares Union Gap to the other 627 incorporated cities, towns and CDPs 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 # 174 72nd
Population Density # 246 61st
Diversity Index # 18 97th
Median Household Income # 561 11th
Per Capita Income # 598 5th

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

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