Dayton, WA Profile: Facts, Map & Data


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Dayton, Washington - Basic Facts

The City of Dayton had a population of 2,520 as of July 1, 2017.

The primary coordinate point for Dayton is located at latitude 46.317 and longitude -117.9768 in Columbia County. The formal boundaries for the City of Dayton (see map below) encompass a land area of 1.43 sq. miles and a water area of 0 sq. miles. Columbia County is in the Pacific time zone (GMT -8). The elevation is 1,660 feet.

The City of Dayton (GNIS ID: 2410301) 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 Dayton is located within Dayton Division of Columbia County.

Beneath the boundary map are tables with Dayton 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 Dayton: Touchet.

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City of Dayton, WA Boundary Map

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Boundary Maps: Dayton Division | Columbia County | Washington Counties

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


Total Population 2,520
Daytime Population: Workers 1,257
Daytime Population: Residents 1,527
Total Daytime Population (TDP) 2,784
Ratio TDP/Total Population1 1.10
Population in Households 2,470
Population in Familes 1,929
Population in Group Qrtrs 50
Population Density2 1,767
Diversity Index3 32


Median Household Income $45,514
Average Household Income $59,396
Per Capita Income $26,126


Total Housing Units 1,208 (100%)
Owner Occupied HU 744 (61.6%)
Renter Occupied HU 332 (27.5%)
Vacant Housing Units 132 (10.9%)
Median Home Value $151,618
Average Home Value $162,349


Total Households 1,076
Average Household Size 2.3
Family Households 675
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 -0.03% -0.27%
Households -0.08% -0.28%
Families 0.1% -0.36%
Median Household Income   1.73%
Per Capita Income   2.56%

Dayton, WA - Peer Comparisons by Rank and Percentile

The table below compares Dayton 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 # 280 55th
Population Density # 166 74th
Diversity Index # 344 45th
Median Household Income # 469 25th
Per Capita Income # 395 37th

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

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