Postal Codes

98537 ZIP Code

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ZIP code 98537 covers Cosmopolis, Washington, with a population of about 2,902 and a median household income of $74,421.

Population
2,90218 per square mile
Median age
41.83.1 points above the US average
Median household income
$74,42122% below the Washington median
Poverty rate
6.2%6.2 points below the US average
Typical home value
$334,711up 3.7% in five years
Median rent
$94744% below the Washington median
Degree or higher
22.1%12.9 points below the US average
Homeownership
81.8%16.8 points above the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
28

Where 98537 is

Cosmopolis, Washington — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population2,902
Median age41.8
Family households72.1%
Born outside the US5.2%
Speaks a language other than English at home6.5%
White (non-Hispanic)82.4%
Black (non-Hispanic)0.1%
Asian (non-Hispanic)4.2%
Hispanic or Latino9.1%
Veterans7.5%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$74,421
Income per person$34,133
Poverty rate6.2%
Households on SNAP or cash assistance12.7%

Household income distribution

Under $10k2.1%
$10–15k2.1%
$15–20k4.9%
$20–25k3.3%
$25–30k4.4%
$30–35k5.0%
$35–40k2.5%
$40–45k1.9%
$45–50k3.4%
$50–60k4.0%
$60–75k17.5%
$75–100k15.0%
$100–125k11.6%
$125–150k10.6%
$150–200k6.5%
$200k or more5.0%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed1,090
Mean adjusted gross income$70,255
Returns declaring $200,000 or more2.8%
Returns, under $25k22.0%
Returns, $25k–$50k23.9%
Returns, $50k–$75k18.3%
Returns, $75k–$100k13.8%
Returns, $100k–$200k19.3%
Returns, $200k or more2.8%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$301,400
Median gross rent$947
Rent as a share of household income26.7%
Owner-occupied81.8%
Vacant homes11.6%
Median year built1968

What the homes are

Detached house85.3%
Attached house1.6%
2 to 4 units2.5%
5 to 19 units3%
Mobile home7.2%
Boat, RV or van0.3%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$334,711as of 2026-07
Typical home value, 1 yeardown 0.4%
Typical home value, 5 yearsup 3.7%
Typical home value, 10 yearsup 112.1%
Typical home value since 2000
200920172026$349,545$143,884

$167,904 in 2009 to $334,711 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate9.7%
Bachelor's degree or higher22.1%
High school diploma or higher92.2%
Works from home5.1%
Drives to work alone83.1%
Takes public transport0.6%
Commutes 45 minutes or more21.6%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity36.2% 2.8 pts above the national average of 33.4%
Diagnosed diabetes13.1% 1.1 pts above the national average of 12%
Currently smokes15% 1.8 pts above the national average of 13.2%
High blood pressure38.7% 4.6 pts above the national average of 34.1%
Fair or poor general health21.4% 1.1 pts above the national average of 20.3%
No health insurance (18–64)9% 2.3 pts below the national average of 11.3%
Depression27.4% 5.5 pts above the national average of 21.9%
No leisure-time physical activity23.3% 2.1 pts below the national average of 25.4%
Arthritis31.7% 6.6 pts above the national average of 25.1%
Binge drinking15.4% 0.6 pts below the national average of 16%
Taking blood pressure medication74.9% same as the national average of 74.7%
Cancer (non-skin)10.2% 2.5 pts above the national average of 7.7%
Current asthma11.7% 1.3 pts above the national average of 10.4%
Coronary heart disease8% 1.8 pts above the national average of 6.2%
Routine check-up in past year70.5% 6.2 pts below the national average of 76.7%
Cholesterol screening84% 1.9 pts below the national average of 85.9%
Cognitive disability16.3% 1.5 pts above the national average of 14.8%
Colorectal screening64.1% same as the national average of 64.3%
COPD8.2% 1.6 pts above the national average of 6.6%
Visited a dentist58.7% 2.6 pts below the national average of 61.3%
Any disability35.2% 4.5 pts above the national average of 30.7%
Hearing disability9.2% 2.5 pts above the national average of 6.7%
High cholesterol39% 2.8 pts above the national average of 36.2%
Independent living disability9% 0.6 pts above the national average of 8.4%
Mammography use71.5% 4.4 pts below the national average of 75.9%
Poor mental health (14+ days)18.6% 1.8 pts above the national average of 16.8%
Mobility disability16.1% 2.1 pts above the national average of 14%
Poor physical health (14+ days)15.9% 2.4 pts above the national average of 13.5%
Self-care disability4.3% same as the national average of 4%
Sleeps under 7 hours38.9% 2.5 pts above the national average of 36.4%
Stroke4.1% 0.7 pts above the national average of 3.4%
All natural teeth lost13.3% same as the national average of 13%
Vision disability5.3% same as the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments28
People employed260
Annual payroll$19,548,000
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Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 91.1% of US census tracts
FEMA ratingRelatively High
Expected annual loss90 out of 100
Community resilience52.5 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Landslide98.3Relatively Moderate at its worst in this ZIP code
River flooding95.1Very High at its worst in this ZIP code
Earthquake93.9Very High at its worst in this ZIP code
Coastal flooding90.2Very High at its worst in this ZIP code
Ice storm73.5Relatively High at its worst in this ZIP code
Wildfire71.1Relatively Low at its worst in this ZIP code
Drought68.3Very Low at its worst in this ZIP code
Heat wave61.6Relatively Moderate at its worst in this ZIP code
Winter weather50.7Relatively Moderate at its worst in this ZIP code
Tsunami48.8Relatively Moderate at its worst in this ZIP code
Cold wave22.2Relatively Low at its worst in this ZIP code
Strong wind19.6Relatively Low at its worst in this ZIP code
Tornado17.9Very Low at its worst in this ZIP code
Lightning15.9Very Low at its worst in this ZIP code
Avalanche15.6Very Low at its worst in this ZIP code
Hail7.4Very Low at its worst in this ZIP code
Compared with Washington and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPWashingtonUnited States
Median household income$74,421$94,952$78,538
Income per person$34,133$51,493$43,289
Poverty rate6.2%9.9%12.4%
Median home value$301,400$519,800$303,400
Median gross rent$947$1,682$1,348
Homeownership81.8%63.9%65%
Bachelor's degree or higher22.1%38.8%35%
Unemployment rate9.7%5%5.2%
Works from home5.1%17.7%13.5%
Born outside the US5.2%15.1%13.9%
Median age41.838.238.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationABERDEEN, WA US4.4 km away
Rain in a year85 in
Snow in a year0 in

Average high and low by month

January47.8°F / 37.3°F13.93 in rain
February50.3°F / 36.7°F8.58 in rain, 0.1 in snow
March53.3°F / 38.4°F9.76 in rain, 0.2 in snow
April56.6°F / 41.1°F6.28 in rain
May61.4°F / 46.6°F3.46 in rain
June64.7°F / 51.2°F2.4 in rain
July68.2°F / 54.2°F0.91 in rain
August69.3°F / 54.4°F1.52 in rain
September68.7°F / 51.1°F2.73 in rain
October61°F / 44.8°F8.27 in rain
November52.3°F / 39.6°F13.72 in rain, 0.2 in snow
December47°F / 36.5°F13.38 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarket34% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 5 school districts, so the address decides which one, not the ZIP code.

North River School District61.9% of this ZIP code's land area
Cosmopolis School District27.3% of this ZIP code's land area
Ocosta School District7.3% of this ZIP code's land area
Raymond School District2.1% of this ZIP code's land area
Montesano School District1.4% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability73more vulnerable than 73% of US census tracts
Socioeconomic status57more vulnerable than 57% of US census tracts
Household characteristics81more vulnerable than 81% of US census tracts
Racial and ethnic minority status41more vulnerable than 41% of US census tracts
Housing type and transport77more vulnerable than 77% of US census tracts
Walkability6 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

98520 Aberdeen, WA3.8 km away
98550 Hoquiam, WA8.9 km away
98583 Satsop, WA22.7 km away
98563 Montesano, WA25.7 km away
98595 Westport, WA26.4 km away
98547 Grayland, WA28.1 km away
98541 Elma, WA29 km away
98569 Ocean Shores, WA29.1 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Grays Harbor County66.8% of this ZIP code's land area
Pacific County33.2% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area162.77 sq mi
Water area0.07 sq mi
Population density18 people per sq mi
Latitude, longitude46.9538, -123.7739

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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