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Cosmopolis, Washington

City in Grays Harbor County, Washington · ZIP 98520, 98537, 98563

  • Grays Harbor County
  • Census data · ACS 2019-2023
  • 1 public schools
Join CosmopolisAsk CosmopolisBusinessesPeople
  • 1,663 (2024 estimate)Population
  • 778Households
  • $80,132Median household income
  • $280,700Median home value
  • 1Public schools
  • 3ZIP codes

About Cosmopolis

This page shows only what has been published about Cosmopolis: Census facts with their sources first, then its businesses, jobs, events, people in public roles, housing and questions as they are added. Nothing here is written by the town government.

Town intelligenceOfficial sources, refreshed yearly

Population, 2000 to 2020+2.7%
1.6k1.6k1.6k1.6k1.7k2000: 1,59520002010: 1,64920102020: 1,63820201,5951,638
Population of Cosmopolis at each census
CensusPopulation
20001,595
20101,649
20201,638

As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.

Sources: Census 2000 Summary File 1: total population, place level, state 53, retrieved November 14, 2026; Census 2010 Summary File 1: total population, place level, state 53, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, place level, state 53, retrieved November 14, 2026.

Household income in Cosmopolis
Under $50k27.5%
$50k to $100k36.9%
$100k to $150k26%
$150k to $200k5.5%
$200k and over4.1%

Median household income $80,132 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.

Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, place level, state 53, retrieved November 14, 2026.

Housing tenure in Cosmopolis
Owner occupied
627 units
Renter occupied
151 units
Vacancy rate
13.1%

Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.

Source: American Community Survey 5-year data profile 2019–2023, place level, state 53, retrieved November 14, 2026.

Cosmopolis compared with its county and state
Cosmopolis compared with its county and state, American Community Survey 2019-2023
MeasureCosmopolisGrays Harbor CountyWashington
Population2,30176,3977,740,984
Median household income$80,132$63,539$94,952
Median age40.044.738.2
Median home value$280,700$279,500$519,800
Bachelor’s degree or higher21.9%17.6%38.8%
Foreign-born residents5.9%5.2%15.1%
Owner-occupied homes80.6%72.6%63.9%
Mean commute to work20.8 minutes24.5 minutes27.0 minutes

Source: American Community Survey 5-year data profile 2019–2023, place level, state 53, retrieved November 14, 2026.

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Schools

Public schools in Cosmopolis1
Public schools in Cosmopolis, NCES directory 2023–2024
SchoolTypeGradesDistrict
Cosmopolis Elementary SchoolPublicK–6Cosmopolis School District

Open public schools in the NCES directory for 2023–2024, placed by their listed location; private schools are not in the source. Enrollment and ratings are not shown.

Sources: NCES Common Core of Data, public school directory 2023–2024, retrieved November 14, 2026; NCES EDGE public school geocodes 2024–2025, retrieved November 14, 2026.

Frequently asked about CosmopolisPromoted from questions people asked

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Nearby towns

Other towns in Grays Harbor County

All towns in Grays Harbor County