Postal Codes

98255 ZIP Code

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ZIP code 98255 covers Hamilton, Washington, with a population of about 201.

Population
201303 per square mile
Median age
380.7 points below the US average
Poverty rate
23.9%11.5 points above the US average
Median home value
$206,00060% below the Washington median
Degree or higher
6%29 points below the US average
Homeownership
83.8%18.8 points above the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
4

Where 98255 is

Hamilton, 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

Population201
Median age38
Family households60.6%
Born outside the US7%
Speaks a language other than English at home18.2%
White (non-Hispanic)69.7%
Black (non-Hispanic)0%
Asian (non-Hispanic)5.5%
Hispanic or Latino11.4%
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

Income per person$27,560
Poverty rate23.9%
Households on SNAP or cash assistance30.3%

Household income distribution

Under $10k10.1%
$10–15k17.2%
$15–20k0.0%
$20–25k14.1%
$25–30k0.0%
$30–35k6.1%
$35–40k7.1%
$40–45k0.0%
$45–50k7.1%
$50–60k0.0%
$60–75k8.1%
$75–100k3.0%
$100–125k3.0%
$125–150k24.2%
$150–200k0.0%
$200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$206,000
Owner-occupied83.8%
Vacant homes0%
Median year built1960

What the homes are

Detached house56.6%
Attached house11.1%
2 to 4 units2%
Mobile home13.1%
Boat, RV or van17.2%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate8.8%
Bachelor's degree or higher6%
High school diploma or higher63.3%
Works from home0%
Drives to work alone100%
Takes public transport0%
Commutes 45 minutes or more28.8%
Health

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

Obesity33.6% same as the national average of 33.4%
Diagnosed diabetes10.5% 1.5 pts below the national average of 12%
Currently smokes12.7% 0.5 pts below the national average of 13.2%
High blood pressure32% 2.1 pts below the national average of 34.1%
Fair or poor general health18.3% 2 pts below the national average of 20.3%
No health insurance (18–64)9% 2.3 pts below the national average of 11.3%
Depression27.8% 5.9 pts above the national average of 21.9%
No leisure-time physical activity19.7% 5.7 pts below the national average of 25.4%
Arthritis30.3% 5.2 pts above the national average of 25.1%
Binge drinking16% same as the national average of 16%
Taking blood pressure medication73.5% 1.2 pts below the national average of 74.7%
Cancer (non-skin)9% 1.3 pts above the national average of 7.7%
Current asthma12% 1.6 pts above the national average of 10.4%
Coronary heart disease6.3% same as the national average of 6.2%
Routine check-up in past year70.4% 6.3 pts below the national average of 76.7%
Cholesterol screening84.3% 1.6 pts below the national average of 85.9%
Cognitive disability15.2% same as the national average of 14.8%
Colorectal screening68.6% 4.3 pts above the national average of 64.3%
COPD6.8% same as the national average of 6.6%
Visited a dentist66.5% 5.2 pts above the national average of 61.3%
Any disability30.9% same as the national average of 30.7%
Hearing disability7.6% 0.9 pts above the national average of 6.7%
High cholesterol34.3% 1.9 pts below the national average of 36.2%
Independent living disability8.1% same as the national average of 8.4%
Mammography use70.5% 5.4 pts below the national average of 75.9%
Poor mental health (14+ days)17.5% 0.7 pts above the national average of 16.8%
Mobility disability13.8% same as the national average of 14%
Poor physical health (14+ days)15.1% 1.6 pts above the national average of 13.5%
Self-care disability3.9% same as the national average of 4%
Sleeps under 7 hours30.5% 5.9 pts below the national average of 36.4%
Stroke3.5% same as the national average of 3.4%
All natural teeth lost11.9% 1.1 pts below the national average of 13%
Vision disability4.7% 0.9 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments4
People employed389
Annual payroll$39,951,000
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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 77.6% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss80 out of 100
Community resilience64.4 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.

Volcanic activity99.2Relatively High at its worst in this ZIP code
Landslide94.5Relatively Low at its worst in this ZIP code
River flooding93.6Relatively High at its worst in this ZIP code
Winter weather92.1Relatively High at its worst in this ZIP code
Ice storm90.3Relatively High at its worst in this ZIP code
Earthquake81.7Relatively Moderate at its worst in this ZIP code
Wildfire72.4Relatively Low at its worst in this ZIP code
Avalanche71.4Relatively Low at its worst in this ZIP code
Drought69.1Very Low at its worst in this ZIP code
Heat wave36.4Relatively Low at its worst in this ZIP code
Lightning32.2Relatively Low at its worst in this ZIP code
Cold wave16.1Very Low at its worst in this ZIP code
Hail13.7Very Low at its worst in this ZIP code
Tornado4.4Very Low at its worst in this ZIP code
Strong wind1.9Very 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$94,952$78,538
Income per person$27,560$51,493$43,289
Poverty rate23.9%9.9%12.4%
Median home value$206,000$519,800$303,400
Median gross rent$1,682$1,348
Homeownership83.8%63.9%65%
Bachelor's degree or higher6%38.8%35%
Unemployment rate8.8%5%5.2%
Works from home0%17.7%13.5%
Born outside the US7%15.1%13.9%
Median age3838.238.7
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 stationCONCRETE PPL FISH STN, WA US18.2 km away
Rain in a year71 in
Snow in a year16 in

Average high and low by month

January42.7°F / 33.4°F10.38 in rain, 5 in snow
February46.9°F / 33.6°F6.72 in rain, 1.5 in snow
March51.7°F / 36.1°F7.63 in rain, 1.3 in snow
April58.3°F / 39.9°F5.09 in rain
May65.3°F / 45.3°F3.47 in rain
June69°F / 49.8°F2.68 in rain
July75.6°F / 52.9°F1.21 in rain
August76.7°F / 53.6°F1.53 in rain
September70.8°F / 50.1°F3.31 in rain
October59.4°F / 43.9°F7.31 in rain
November48.6°F / 37.9°F11.49 in rain, 0.9 in snow
December42.2°F / 33.7°F10.42 in rain, 7.6 in snow
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 supermarketNone of this ZIP code
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%.

Sedro-Woolley School District100% 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 vulnerability41more vulnerable than 41% of US census tracts
Socioeconomic status45more vulnerable than 45% of US census tracts
Household characteristics54more vulnerable than 54% of US census tracts
Racial and ethnic minority status26more vulnerable than 26% of US census tracts
Housing type and transport37more vulnerable than 37% of US census tracts
Walkability2.8 out of 20Least walkable
Nearby ZIP codes

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

98263 Lyman, WA5.2 km away
98284 Sedro Woolley, WA18 km away
98273 Mount Vernon, WA19 km away
98235 Clearlake, WA19.4 km away
98274 Mount Vernon, WA21.1 km away
98220 Acme, WA22.3 km away
98237 Concrete, WA23.9 km away
98233 Burlington, WA26 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.

Skagit County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area0.66 sq mi
Population density303 people per sq mi
Latitude, longitude48.5255, -121.9887

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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