Cathlamet Flag

Cathlamet

County Seat:
Yes
Area (mi²):
0.506
State:
Washington

Cathlamet is a town located in Wahkiakum County, Washington. Cathlamet has a 2026 population of 630. It is also the county seat of Wahkiakum County. Cathlamet is currently growing at a rate of 1.78% annually and its population has increased by 11.9% since the most recent census, which recorded a population of 563 in 2020.

The median household income in Cathlamet is $70,250 with a poverty rate of 12.69%. The median age in Cathlamet is 59.4 years: 56.9 years for males, and 61.6 years for females. For every 100 females there are 93.1 males.

630
Total Population
1,245
Density (mi²)
11 1.78%
Growth

Cathlamet Population

Cathlamet Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026630111.78%
2025619111.81%
202460850.83%
2023603183.08%
2022585111.92%
2021574111.95%
202056320.36%
201953681.52%
2018528101.93%
201751881.57%
2016510153.03%
2015495-5-1%
201450000%
2013500-25-4.76%
2012525-5-0.94%
2011530-2-0.38%
201053310.19%

Median Age

Overall: 59.4 years
Female: 61.6 years
Male: 56.9 years

Cathlamet Adults

There are 565 adults, (250 of whom are seniors) in Cathlamet.

Sex Ratio

Female: 319 (51.8%)
Male: 297 (48.2%)

Demographics

The racial composition of Cathlamet includes 91.88% White, and smaller percentages for Native American, Asian, other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White56691.88%
Two or more races315.03%
Native American101.62%
Asian50.81%
Other race40.65%
Race
Population ↓
Percentage (of total)
White487.79%
Two or more races60.97%
Other race40.65%
Race
Population ↓
Percentage (of total)
White51884.09%
Two or more races254.06%
Native American101.62%
Asian50.81%

Cathlamet Marital Status

Economics and Income Statistics

Cathlamet 's average per capita income is $39,375. Household income levels show a median of $70,250. The poverty rate stands at 12.69%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$78,194-
Families$77,847$88,657
Households$70,250$91,163
Non Families$61,875$92,890

$39,375

Average Income

$70,250

Median Household Income

12.69%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)