Cathlamet, WA Profile: Facts, Map & Data


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Cathlamet, Washington - Basic Facts

The Town of Cathlamet had a population of 580 as of July 1, 2016. Cathlamet ranks in the lower 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 Cathlamet is located at latitude 46.2058 and longitude -123.384 in Wahkiakum County. The formal boundaries for the Town of Cathlamet (see map below) encompass a land area of 0.49 sq. miles and a water area of 0.01 sq. miles. Wahkiakum County is in the Pacific time zone (GMT -8). The elevation is 62 feet.

The Town of Cathlamet (GNIS ID: 2413181) 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 Town of Cathlamet is located within Cathlamet Division of Wahkiakum County.

Beneath the boundary map are tables with Cathlamet population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Alternate Unofficial Names for Cathlamet: Birnie's Retreat, Birnie's Trading Post, Cathlamah, Kahelamit, Katalamet, Kathlamet.

Neighborhood Data

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Town of Cathlamet, WA Boundary Map

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Boundary Maps: Cathlamet Division | Wahkiakum County | Washington Counties

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Cathlamet, WA Data & Demographics (As of July 1, 2016)


Total Population 580
Population in Households 556
Population in Familes 400
Population in Group Qrtrs 24
Population Density1 1,188
Diversity Index2 22


Total Households 291
Average Household Size 1.91
Family Households 162
Average Family Size 2


Total Housing Units 336 (100%)
Owner Occupied HU 181 (53.9%)
Renter Occupied HU 110 (32.7%)
Vacant Housing Units 45 (13.4%)
Median Home Value $203,731
Average Home Value $209,583


Median Household Income $37,640
Average Household Income $46,605
Per Capita Income $23,562
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 1.39% 1.38%
Households 1.94% 1.47%
Families 2.84% 1.56%
Median Household Income   2.17%
Per Capita Income   2.03%
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.

Cathlamet, WA - Peer Comparisons by Rank and Percentile

The table below compares Cathlamet to the other 627 incorporated cities, towns and CDPs 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 # 454 28th
Population Density1 # 256 59th
Diversity Index2 # 510 19th
Median Household Income # 542 14th
Per Capita Income # 439 30th

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

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