Cosmopolis, WA Profile: Facts, Map & Data


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Cosmopolis, Washington - Basic Facts

The City of Cosmopolis had a population of 1,635 as of July 1, 2017.

The primary coordinate point for Cosmopolis is located at latitude 46.9543 and longitude -123.7729 in Grays Harbor County. The formal boundaries for the City of Cosmopolis (see map below) encompass a land area of 1.33 sq. miles and a water area of 0.19 sq. miles. Grays Harbor County is in the Pacific time zone (GMT -8). The elevation is 20 feet.

The City of Cosmopolis (GNIS ID: 2410238) 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 Cosmopolis is located within Aberdeen-Hoquiam Division of Grays Harbor County.

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

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City of Cosmopolis, WA Boundary Map

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Boundary Maps: Aberdeen-Hoquiam Division | Grays Harbor County | Washington Counties

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


Total Population 1,635
Daytime Population: Workers 297
Daytime Population: Residents 945
Total Daytime Population (TDP) 1,242
Ratio TDP/Total Population1 0.76
Population in Households 1,635
Population in Familes 1,311
Population in Group Qrtrs 0
Population Density2 1,229
Diversity Index3 37


Median Household Income $47,624
Average Household Income $61,305
Per Capita Income $24,029


Total Housing Units 725 (100%)
Owner Occupied HU 501 (69.1%)
Renter Occupied HU 165 (22.8%)
Vacant Housing Units 59 ( 8.1%)
Median Home Value $153,676
Average Home Value $171,158


Total Households 666
Average Household Size 2.45
Family Households 462
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 -0.12% -0.05%
Households -0.23% -0.09%
Families -0.03% -0.13%
Median Household Income   4.8%
Per Capita Income   4.06%

Cosmopolis, WA - Peer Comparisons by Rank and Percentile

The table below compares Cosmopolis 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 # 341 46th
Population Density # 242 62nd
Diversity Index # 289 54th
Median Household Income # 442 30th
Per Capita Income # 469 25th

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

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