Postal Codes

98230 ZIP Code

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ZIP code 98230 covers Blaine, Washington, with a population of about 18,757 and a median household income of $82,716.

Population
18,757441 per square mile
Median age
44.45.7 points above the US average
Median household income
$82,71613% below the Washington median
Poverty rate
8.6%3.8 points below the US average
Typical home value
$541,213up 13.2% in five years
Median rent
$1,25525% below the Washington median
Degree or higher
31.6%3.4 points below the US average
Homeownership
78.4%13.4 points above the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
430

Where 98230 is

Blaine, 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

Population18,757
Median age44.4
Family households66%
Born outside the US13.4%
Speaks a language other than English at home11%
White (non-Hispanic)77.3%
Black (non-Hispanic)1.4%
Asian (non-Hispanic)3.3%
Hispanic or Latino8.6%
Veterans9.7%
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$82,716
Income per person$44,086
Poverty rate8.6%
Households on SNAP or cash assistance14.5%

Household income distribution

Under $10k3.5%
$10–15k5.1%
$15–20k1.7%
$20–25k3.4%
$25–30k2.7%
$30–35k3.2%
$35–40k3.0%
$40–45k4.4%
$45–50k2.7%
$50–60k6.6%
$60–75k9.1%
$75–100k17.3%
$100–125k10.7%
$125–150k8.7%
$150–200k9.0%
$200k or more9.0%

Income as declared to the IRS

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

Tax returns filed9,230
Mean adjusted gross income$100,659
Returns declaring $200,000 or more8.3%
Returns, under $25k22.0%
Returns, $25k–$50k20.6%
Returns, $50k–$75k16.4%
Returns, $75k–$100k11.3%
Returns, $100k–$200k21.5%
Returns, $200k or more8.3%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$467,900
Median gross rent$1,255
Rent as a share of household income29.2%
Owner-occupied78.4%
Vacant homes15.8%
Median year built1993

What the homes are

Detached house73%
Attached house3.6%
2 to 4 units4.6%
5 to 19 units5.4%
20 or more units1.3%
Mobile home11%
Boat, RV or van1%
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$541,213as of 2026-07
Typical home value, 1 yeardown 0.3%
Typical home value, 5 yearsup 13.2%
Typical home value, 10 yearsup 99%
Typical asking rent$2,529as of 2026-07
Typical asking rent, 1 yearup 0.3%
Typical home value since 2000
200120132026$555,793$135,785

$135,785 in 2001 to $541,213 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5.6%
Bachelor's degree or higher31.6%
High school diploma or higher94.8%
Works from home12.6%
Drives to work alone77.6%
Takes public transport0.1%
Commutes 45 minutes or more9.9%
Health

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

Obesity27.9% 5.5 pts below the national average of 33.4%
Diagnosed diabetes10.9% 1.1 pts below the national average of 12%
Currently smokes12% 1.2 pts below the national average of 13.2%
High blood pressure33.9% same as the national average of 34.1%
Fair or poor general health18% 2.3 pts below the national average of 20.3%
No health insurance (18–64)7.5% 3.8 pts below the national average of 11.3%
Depression28.4% 6.5 pts above the national average of 21.9%
No leisure-time physical activity18.5% 6.9 pts below the national average of 25.4%
Arthritis29.9% 4.8 pts above the national average of 25.1%
Binge drinking15.7% same as the national average of 16%
Taking blood pressure medication76.1% 1.4 pts above the national average of 74.7%
Cancer (non-skin)10.6% 2.9 pts above the national average of 7.7%
Current asthma10.9% 0.5 pts above the national average of 10.4%
Coronary heart disease7.2% 1 pts above the national average of 6.2%
Routine check-up in past year73.8% 2.9 pts below the national average of 76.7%
Cholesterol screening86.1% same as the national average of 85.9%
Cognitive disability14.2% 0.6 pts below the national average of 14.8%
Colorectal screening70.9% 6.6 pts above the national average of 64.3%
COPD6.8% same as the national average of 6.6%
Visited a dentist65.4% 4.1 pts above the national average of 61.3%
Any disability31.6% 0.9 pts above the national average of 30.7%
Hearing disability8.3% 1.6 pts above the national average of 6.7%
High cholesterol37.8% 1.6 pts above the national average of 36.2%
Independent living disability7.7% 0.7 pts below the national average of 8.4%
Mammography use73.5% 2.4 pts below the national average of 75.9%
Poor mental health (14+ days)16.7% same as the national average of 16.8%
Mobility disability13.5% 0.5 pts below the national average of 14%
Poor physical health (14+ days)14.5% 1 pts above the national average of 13.5%
Self-care disability3.8% same as the national average of 4%
Sleeps under 7 hours29.4% 7 pts below the national average of 36.4%
Stroke3.8% same as the national average of 3.4%
All natural teeth lost9.6% 3.4 pts below the national average of 13%
Vision disability4.6% 1 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments430
People employed4,354
Annual payroll$303,687,000
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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 53.4% of US census tracts
FEMA ratingVery Low to Relatively High across the 9 census tracts this ZIP code covers
Expected annual loss54.5 out of 100
Community resilience70.5 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.

Ice storm91.1Relatively High at its worst in this ZIP code
Earthquake88.9Relatively High at its worst in this ZIP code
Landslide76.4Relatively Low at its worst in this ZIP code
Wildfire66.9Relatively Low at its worst in this ZIP code
Cold wave64.2Relatively Moderate at its worst in this ZIP code
Volcanic activity56.5Relatively Low at its worst in this ZIP code
Winter weather55.2Relatively Moderate at its worst in this ZIP code
Coastal flooding54Relatively High at its worst in this ZIP code
Drought47.2Very Low at its worst in this ZIP code
River flooding42.8Relatively Moderate at its worst in this ZIP code
Tsunami40.1Relatively Low at its worst in this ZIP code
Lightning34.8Relatively Low at its worst in this ZIP code
Heat wave33.4Relatively Low at its worst in this ZIP code
Tornado4.2Very Low at its worst in this ZIP code
Strong wind2.5Very 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$82,716$94,952$78,538
Income per person$44,086$51,493$43,289
Poverty rate8.6%9.9%12.4%
Median home value$467,900$519,800$303,400
Median gross rent$1,255$1,682$1,348
Homeownership78.4%63.9%65%
Bachelor's degree or higher31.6%38.8%35%
Unemployment rate5.6%5%5.2%
Works from home12.6%17.7%13.5%
Born outside the US13.4%15.1%13.9%
Median age44.438.238.7
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 stationBLAINE, WA US4.7 km away
Rain in a year42 in
Snow in a year9 in

Average high and low by month

January44.7°F / 33.9°F6.17 in rain, 3.7 in snow
February47.7°F / 34.6°F3.37 in rain, 0.8 in snow
March52.1°F / 37.7°F4.21 in rain, 1 in snow
April57.6°F / 41.9°F2.97 in rain
May64°F / 47.3°F2.57 in rain
June68.5°F / 52.1°F1.93 in rain
July72.8°F / 55.1°F1.14 in rain
August72.7°F / 54.9°F1.13 in rain
September66.9°F / 50.4°F2.22 in rain
October57.4°F / 44°F4.39 in rain, 0.1 in snow
November49.6°F / 37.9°F6.08 in rain, 0.4 in snow
December44.2°F / 34.1°F5.63 in rain, 3.3 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 supermarket19% of this ZIP code's area
No vehicle and far from a supermarket35% 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.

Blaine School District74% of this ZIP code's land area
Ferndale School District14% of this ZIP code's land area
Lynden School District12% 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 vulnerability49more vulnerable than 49% of US census tracts
Socioeconomic status41more vulnerable than 41% of US census tracts
Household characteristics71more vulnerable than 71% of US census tracts
Racial and ethnic minority status30more vulnerable than 30% of US census tracts
Housing type and transport50more vulnerable than 50% of US census tracts
Walkability6.1 out of 20Below average
Nearby ZIP codes

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

98231 Blaine, WA3.5 km away
98240 Custer, WA8.5 km away
98248 Ferndale, WA15.1 km away
98264 Lynden, WA20.2 km away
98281 Point Roberts, WA23.7 km away
98226 Bellingham, WA28 km away
98262 Lummi Island, WA28.1 km away
98227 Bellingham, WA28.9 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.

Whatcom County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area42.53 sq mi
Water area4.67 sq mi
Population density441 people per sq mi
Latitude, longitude48.9636, -122.7323

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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