Postal Codes

98237 ZIP Code

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ZIP code 98237 covers Concrete, Washington, with a population of about 5,110 and a median household income of $70,434.

Population
5,11012 per square mile
Median age
38.6about the US average
Median household income
$70,43426% below the Washington median
Poverty rate
13.1%0.7 points above the US average
Typical home value
$259,632up 13.5% in five years
Median rent
$1,19929% below the Washington median
Degree or higher
13.1%21.9 points below the US average
Homeownership
83.1%18.1 points above the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
70

Where 98237 is

Concrete, 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

Population5,110
Median age38.6
Family households76.7%
Born outside the US3.5%
Speaks a language other than English at home5.8%
White (non-Hispanic)78.9%
Black (non-Hispanic)0%
Asian (non-Hispanic)0.4%
Hispanic or Latino11.5%
Veterans15.7%
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$70,434
Income per person$32,690
Poverty rate13.1%
Households on SNAP or cash assistance24.8%

Household income distribution

Under $10k3.2%
$10–15k5.6%
$15–20k0.9%
$20–25k4.7%
$25–30k2.8%
$30–35k1.0%
$35–40k3.8%
$40–45k4.8%
$45–50k1.3%
$50–60k15.2%
$60–75k11.8%
$75–100k8.4%
$100–125k11.2%
$125–150k12.1%
$150–200k7.5%
$200k or more5.7%

Income as declared to the IRS

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

Tax returns filed1,810
Mean adjusted gross income$65,469
Returns declaring $200,000 or more2.8%
Returns, under $25k26.0%
Returns, $25k–$50k23.8%
Returns, $50k–$75k18.8%
Returns, $75k–$100k12.2%
Returns, $100k–$200k16.6%
Returns, $200k or more2.8%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$340,500
Median gross rent$1,199
Rent as a share of household income29.3%
Owner-occupied83.1%
Vacant homes19.6%
Median year built1987

What the homes are

Detached house72.6%
Attached house0.9%
2 to 4 units1.2%
5 to 19 units1.1%
20 or more units0.7%
Mobile home21.2%
Boat, RV or van2.2%
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$259,632as of 2026-07
Typical home value, 1 yearup 1.5%
Typical home value, 5 yearsup 13.5%
Typical home value, 10 yearsup 139.3%
Typical home value since 2000
200020132026$262,604$47,725

$47,725 in 2000 to $259,632 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate9%
Bachelor's degree or higher13.1%
High school diploma or higher85.9%
Works from home7.6%
Drives to work alone75.6%
Takes public transport1.5%
Commutes 45 minutes or more46.5%
Health

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

Obesity35.2% 1.8 pts above the national average of 33.4%
Diagnosed diabetes12.1% same as the national average of 12%
Currently smokes15.3% 2.1 pts above the national average of 13.2%
High blood pressure36.4% 2.3 pts above the national average of 34.1%
Fair or poor general health20.9% 0.6 pts above the national average of 20.3%
No health insurance (18–64)8.9% 2.4 pts below the national average of 11.3%
Depression27.6% 5.7 pts above the national average of 21.9%
No leisure-time physical activity21.7% 3.7 pts below the national average of 25.4%
Arthritis33.5% 8.4 pts above the national average of 25.1%
Binge drinking15.6% same as the national average of 16%
Taking blood pressure medication74.9% same as the national average of 74.7%
Cancer (non-skin)10% 2.3 pts above the national average of 7.7%
Current asthma12% 1.6 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 year71% 5.7 pts below the national average of 76.7%
Cholesterol screening84% 1.9 pts below the national average of 85.9%
Cognitive disability16% 1.2 pts above the national average of 14.8%
Colorectal screening67.1% 2.8 pts above the national average of 64.3%
COPD8.6% 2 pts above the national average of 6.6%
Visited a dentist60.3% 1 pts below the national average of 61.3%
Any disability34.2% 3.5 pts above the national average of 30.7%
Hearing disability9.3% 2.6 pts above the national average of 6.7%
High cholesterol36.3% same as the national average of 36.2%
Independent living disability9.1% 0.7 pts above the national average of 8.4%
Mammography use72.7% 3.2 pts below the national average of 75.9%
Poor mental health (14+ days)17.6% 0.8 pts above the national average of 16.8%
Mobility disability16.3% 2.3 pts above the national average of 14%
Poor physical health (14+ days)16.7% 3.2 pts above the national average of 13.5%
Self-care disability4.6% 0.6 pts above the national average of 4%
Sleeps under 7 hours32.2% 4.2 pts below the national average of 36.4%
Stroke4.3% 0.9 pts above the national average of 3.4%
All natural teeth lost15% 2 pts above the national average of 13%
Vision disability5.4% same as the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments70
People employed380
Annual payroll$19,103,000
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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 84.2% of US census tracts
FEMA ratingRelatively Low to Very High across the 5 census tracts this ZIP code covers
Expected annual loss81.1 out of 100
Community resilience65.3 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 activity98.9Relatively High at its worst in this ZIP code
Landslide98.6Relatively High at its worst in this ZIP code
River flooding93.8Very High at its worst in this ZIP code
Winter weather89.8Relatively High at its worst in this ZIP code
Ice storm88.5Relatively High at its worst in this ZIP code
Wildfire82.4Relatively Moderate at its worst in this ZIP code
Earthquake79.3Relatively Moderate at its worst in this ZIP code
Avalanche76Relatively High at its worst in this ZIP code
Heat wave36.3Relatively Low at its worst in this ZIP code
Lightning32.8Relatively Low at its worst in this ZIP code
Drought27Very Low at its worst in this ZIP code
Hail14.8Very Low at its worst in this ZIP code
Cold wave7.8Relatively Low at its worst in this ZIP code
Tornado4.9Very Low at its worst in this ZIP code
Strong wind3.5Very 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$70,434$94,952$78,538
Income per person$32,690$51,493$43,289
Poverty rate13.1%9.9%12.4%
Median home value$340,500$519,800$303,400
Median gross rent$1,199$1,682$1,348
Homeownership83.1%63.9%65%
Bachelor's degree or higher13.1%38.8%35%
Unemployment rate9%5%5.2%
Works from home7.6%17.7%13.5%
Born outside the US3.5%15.1%13.9%
Median age38.638.238.7
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 US5.8 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 supermarket76% of this ZIP code's area
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarket76% 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 3 school districts, so the address decides which one, not the ZIP code.

Concrete School District88.3% of this ZIP code's land area
Darrington School District10% of this ZIP code's land area
Sedro-Woolley School District1.7% 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 vulnerability51more vulnerable than 51% of US census tracts
Socioeconomic status50more vulnerable than 50% of US census tracts
Household characteristics52more vulnerable than 52% of US census tracts
Racial and ethnic minority status34more vulnerable than 34% of US census tracts
Housing type and transport55more vulnerable than 55% of US census tracts
Walkability4.6 out of 20Least walkable
Nearby ZIP codes

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

98283 Rockport, WA10.5 km away
98255 Hamilton, WA23.9 km away
98267 Marblemount, WA27.4 km away
98263 Lyman, WA29 km away
98241 Darrington, WA32.9 km away
98274 Mount Vernon, WA39.7 km away
98273 Mount Vernon, WA41.5 km away
98284 Sedro Woolley, WA41.9 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 County84.6% of this ZIP code's land area
Whatcom County15.4% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area417.44 sq mi
Water area13.86 sq mi
Population density12 people per sq mi
Latitude, longitude48.5310, -121.6643

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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