Postal Codes

98606 ZIP Code

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ZIP code 98606 covers Brush Prairie, Washington, with a population of about 9,431 and a median household income of $118,026.

Population
9,431248 per square mile
Median age
47.38.6 points above the US average
Median household income
$118,0261.2× the Washington median
Poverty rate
3.6%8.8 points below the US average
Typical home value
$845,249up 13.3% in five years
Median rent
$1,5856% below the Washington median
Degree or higher
38.5%3.5 points above the US average
Homeownership
87.2%22.2 points above the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
237

Where 98606 is

Brush Prairie, 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

Population9,431
Median age47.3
Family households74.6%
Born outside the US4.7%
Speaks a language other than English at home8.6%
White (non-Hispanic)91.5%
Black (non-Hispanic)0.5%
Asian (non-Hispanic)0.9%
Hispanic or Latino2.2%
Veterans9.8%
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$118,026
Income per person$51,134
Poverty rate3.6%
Households on SNAP or cash assistance6.2%

Household income distribution

Under $10k2.3%
$10–15k1.5%
$15–20k0.2%
$20–25k1.1%
$25–30k2.5%
$30–35k0.9%
$35–40k1.3%
$40–45k2.4%
$45–50k1.2%
$50–60k5.8%
$60–75k10.1%
$75–100k13.5%
$100–125k9.3%
$125–150k10.7%
$150–200k17.1%
$200k or more20.1%

Income as declared to the IRS

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

Tax returns filed5,060
Mean adjusted gross income$139,992
Returns declaring $200,000 or more16.6%
Returns, under $25k20.4%
Returns, $25k–$50k15.8%
Returns, $50k–$75k12.1%
Returns, $75k–$100k11.1%
Returns, $100k–$200k24.1%
Returns, $200k or more16.6%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$676,600
Median gross rent$1,585
Rent as a share of household income26.3%
Owner-occupied87.2%
Vacant homes2.9%
Median year built1988

What the homes are

Detached house89.8%
Attached house0.6%
2 to 4 units1.6%
Mobile home8%
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$845,249as of 2026-07
Typical home value, 1 yearup 0%
Typical home value, 5 yearsup 13.3%
Typical home value, 10 yearsup 85.3%
Typical home value since 2000
200020132026$855,855$278,358

$278,358 in 2000 to $845,249 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.9%
Bachelor's degree or higher38.5%
High school diploma or higher96.5%
Works from home25.9%
Drives to work alone66.9%
Takes public transport0%
Commutes 45 minutes or more12.4%
Health

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

Obesity34.6% 1.2 pts above the national average of 33.4%
Diagnosed diabetes9.8% 2.2 pts below the national average of 12%
Currently smokes10.3% 2.9 pts below the national average of 13.2%
High blood pressure33% 1.1 pts below the national average of 34.1%
Fair or poor general health15.8% 4.5 pts below the national average of 20.3%
No health insurance (18–64)5.9% 5.4 pts below the national average of 11.3%
Depression27.2% 5.3 pts above the national average of 21.9%
No leisure-time physical activity18.2% 7.2 pts below the national average of 25.4%
Arthritis28.6% 3.5 pts above the national average of 25.1%
Binge drinking16% same as the national average of 16%
Taking blood pressure medication74.7% same as the national average of 74.7%
Cancer (non-skin)10.1% 2.4 pts above the national average of 7.7%
Current asthma11.8% 1.4 pts above the national average of 10.4%
Coronary heart disease6% same as the national average of 6.2%
Routine check-up in past year71.3% 5.4 pts below the national average of 76.7%
Cholesterol screening86.5% 0.6 pts above the national average of 85.9%
Cognitive disability12.8% 2 pts below the national average of 14.8%
Colorectal screening68.9% 4.6 pts above the national average of 64.3%
COPD5.8% 0.8 pts below the national average of 6.6%
Visited a dentist70.8% 9.5 pts above the national average of 61.3%
Any disability27.3% 3.4 pts below the national average of 30.7%
Hearing disability6.9% same as the national average of 6.7%
High cholesterol35.8% same as the national average of 36.2%
Independent living disability6.5% 1.9 pts below the national average of 8.4%
Mammography use75.3% 0.6 pts below the national average of 75.9%
Poor mental health (14+ days)17.3% 0.5 pts above the national average of 16.8%
Mobility disability12.1% 1.9 pts below the national average of 14%
Poor physical health (14+ days)13.3% same as the national average of 13.5%
Self-care disability3.1% 0.9 pts below the national average of 4%
Sleeps under 7 hours28.7% 7.7 pts below the national average of 36.4%
Stroke3.2% same as the national average of 3.4%
All natural teeth lost8.1% 4.9 pts below the national average of 13%
Vision disability3.6% 2 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments237
People employed1,056
Annual payroll$57,893,000
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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 41.4% of US census tracts
FEMA ratingRelatively Low to Relatively Moderate across the 7 census tracts this ZIP code covers
Expected annual loss54.4 out of 100
Community resilience59.1 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 activity92.2Relatively Low at its worst in this ZIP code
Earthquake78Relatively Moderate at its worst in this ZIP code
Landslide76.6Relatively Moderate at its worst in this ZIP code
Cold wave74Relatively High at its worst in this ZIP code
Wildfire73.8Relatively Moderate at its worst in this ZIP code
Ice storm67.5Relatively Moderate at its worst in this ZIP code
Heat wave66.1Relatively Moderate at its worst in this ZIP code
River flooding57.4Relatively High at its worst in this ZIP code
Strong wind47.9Relatively Moderate at its worst in this ZIP code
Winter weather39Relatively Low at its worst in this ZIP code
Lightning35.9Relatively Low at its worst in this ZIP code
Hail21.5Very Low at its worst in this ZIP code
Tornado13.1Very Low at its worst in this ZIP code
Avalanche4Very 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$118,026$94,952$78,538
Income per person$51,134$51,493$43,289
Poverty rate3.6%9.9%12.4%
Median home value$676,600$519,800$303,400
Median gross rent$1,585$1,682$1,348
Homeownership87.2%63.9%65%
Bachelor's degree or higher38.5%38.8%35%
Unemployment rate4.9%5%5.2%
Works from home25.9%17.7%13.5%
Born outside the US4.7%15.1%13.9%
Median age47.338.238.7
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 stationBATTLE GROUND, WA US5.7 km away
Rain in a year52 in
Snow in a year1 in

Average high and low by month

January46.1°F / 31.9°F7.2 in rain, 0.5 in snow
February50.4°F / 31.7°F5.32 in rain, 0.3 in snow
March54.7°F / 34.6°F5.59 in rain, 0.2 in snow
April59.7°F / 37.9°F4.54 in rain
May66.5°F / 43.3°F3.36 in rain
June71.1°F / 47.3°F2.31 in rain
July78.6°F / 50.6°F0.63 in rain
August79.6°F / 50.2°F0.8 in rain
September74.5°F / 45.6°F2.2 in rain
October62.5°F / 39.9°F4.82 in rain
November51.6°F / 35.4°F7.61 in rain
December45.1°F / 31.9°F7.99 in rain, 0.4 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 supermarket3% of this ZIP code's area
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%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Hockinson School District80.3% of this ZIP code's land area
Battle Ground School District19.5% 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 vulnerability20more vulnerable than 20% of US census tracts
Socioeconomic status18more vulnerable than 18% of US census tracts
Household characteristics30more vulnerable than 30% of US census tracts
Racial and ethnic minority status15more vulnerable than 15% of US census tracts
Housing type and transport44more vulnerable than 44% of US census tracts
Walkability5.1 out of 20Least walkable
Nearby ZIP codes

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

98604 Battle Ground, WA7.7 km away
98682 Vancouver, WA7.9 km away
98662 Vancouver, WA8.6 km away
98622 Heisson, WA10.5 km away
98684 Vancouver, WA10.8 km away
98686 Vancouver, WA11.7 km away
98664 Vancouver, WA13.9 km away
98683 Vancouver, WA14.3 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.

Clark County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area37.99 sq mi
Population density248 people per sq mi
Latitude, longitude45.7304, -122.4843

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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