Postal Codes

98601 ZIP Code

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ZIP code 98601 covers Amboy, Washington, with a population of about 2,742 and a median household income of $108,990.

Population
2,74288 per square mile
Median age
38.6about the US average
Median household income
$108,9901.1× the Washington median
Poverty rate
13.4%1 points above the US average
Typical home value
$705,545up 16.1% in five years
Median rent
$1,12933% below the Washington median
Degree or higher
26%9 points below the US average
Homeownership
85.8%20.8 points above the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
65

Where 98601 is

Amboy, 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

Population2,742
Median age38.6
Family households71.4%
Born outside the US6.1%
Speaks a language other than English at home8.6%
White (non-Hispanic)80.6%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino9.6%
Veterans6.3%
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$108,990
Income per person$43,689
Poverty rate13.4%
Households on SNAP or cash assistance6.5%

Household income distribution

Under $10k5.6%
$10–15k3.3%
$15–20k1.0%
$20–25k6.7%
$25–30k0.4%
$30–35k2.3%
$35–40k2.0%
$40–45k0.2%
$45–50k1.4%
$50–60k5.1%
$60–75k12.1%
$75–100k6.4%
$100–125k15.1%
$125–150k9.7%
$150–200k15.7%
$200k or more13.0%

Income as declared to the IRS

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

Tax returns filed1,630
Mean adjusted gross income$90,182
Returns declaring $200,000 or more7.4%
Returns, under $25k22.7%
Returns, $25k–$50k19.6%
Returns, $50k–$75k15.3%
Returns, $75k–$100k10.4%
Returns, $100k–$200k24.5%
Returns, $200k or more7.4%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$517,300
Median gross rent$1,129
Rent as a share of household income22.6%
Owner-occupied85.8%
Vacant homes17.2%
Median year built1990

What the homes are

Detached house75.6%
Attached house0.8%
Mobile home22.8%
Boat, RV or van0.8%
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$705,545as of 2026-07
Typical home value, 1 yearup 0.2%
Typical home value, 5 yearsup 16.1%
Typical home value, 10 yearsup 95.5%
Typical home value since 2000
200020132026$705,545$232,452

$243,148 in 2000 to $705,545 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3.5%
Bachelor's degree or higher26%
High school diploma or higher94.9%
Works from home19.2%
Drives to work alone61.9%
Takes public transport0%
Commutes 45 minutes or more51.6%
Health

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

Obesity36.3% 2.9 pts above the national average of 33.4%
Diagnosed diabetes9.9% 2.1 pts below the national average of 12%
Currently smokes12.2% 1 pts below the national average of 13.2%
High blood pressure32.9% 1.2 pts below the national average of 34.1%
Fair or poor general health17.4% 2.9 pts below the national average of 20.3%
No health insurance (18–64)6.8% 4.5 pts below the national average of 11.3%
Depression28.3% 6.4 pts above the national average of 21.9%
No leisure-time physical activity19.9% 5.5 pts below the national average of 25.4%
Arthritis28.3% 3.2 pts above the national average of 25.1%
Binge drinking16.5% 0.5 pts above the national average of 16%
Taking blood pressure medication73.4% 1.3 pts below the national average of 74.7%
Cancer (non-skin)9.4% 1.7 pts above the national average of 7.7%
Current asthma12.1% 1.7 pts above the national average of 10.4%
Coronary heart disease6.2% same as the national average of 6.2%
Routine check-up in past year69.8% 6.9 pts below the national average of 76.7%
Cholesterol screening84.5% 1.4 pts below the national average of 85.9%
Cognitive disability14.4% same as the national average of 14.8%
Colorectal screening67.4% 3.1 pts above the national average of 64.3%
COPD6.4% same as the national average of 6.6%
Visited a dentist68.2% 6.9 pts above the national average of 61.3%
Any disability29.2% 1.5 pts below the national average of 30.7%
Hearing disability7.2% 0.5 pts above the national average of 6.7%
High cholesterol34.9% 1.3 pts below the national average of 36.2%
Independent living disability7.3% 1.1 pts below the national average of 8.4%
Mammography use74.9% 1 pts below the national average of 75.9%
Poor mental health (14+ days)18.8% 2 pts above the national average of 16.8%
Mobility disability12.7% 1.3 pts below the national average of 14%
Poor physical health (14+ days)14.1% 0.6 pts above the national average of 13.5%
Self-care disability3.4% 0.6 pts below the national average of 4%
Sleeps under 7 hours30.3% 6.1 pts below the national average of 36.4%
Stroke3.3% same as the national average of 3.4%
All natural teeth lost8% 5 pts below the national average of 13%
Vision disability4% 1.6 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments65
People employed322
Annual payroll$15,800,000
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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 63.7% of US census tracts
FEMA ratingRelatively Low to Relatively Moderate across the 3 census tracts this ZIP code covers
Expected annual loss79.3 out of 100
Community resilience58 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 activity97.1Very High at its worst in this ZIP code
Landslide96.7Relatively Moderate at its worst in this ZIP code
Wildfire91.1Relatively Moderate at its worst in this ZIP code
River flooding83.9Relatively High at its worst in this ZIP code
Earthquake79Relatively Moderate at its worst in this ZIP code
Cold wave78.5Relatively High at its worst in this ZIP code
Heat wave69.5Relatively Moderate at its worst in this ZIP code
Ice storm66.6Relatively Moderate at its worst in this ZIP code
Winter weather46.9Relatively Moderate at its worst in this ZIP code
Strong wind44.7Relatively Low at its worst in this ZIP code
Lightning29.3Relatively Low at its worst in this ZIP code
Hail21.2Very Low at its worst in this ZIP code
Tornado13.8Very Low at its worst in this ZIP code
Avalanche5.1Very 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$108,990$94,952$78,538
Income per person$43,689$51,493$43,289
Poverty rate13.4%9.9%12.4%
Median home value$517,300$519,800$303,400
Median gross rent$1,129$1,682$1,348
Homeownership85.8%63.9%65%
Bachelor's degree or higher26%38.8%35%
Unemployment rate3.5%5%5.2%
Works from home19.2%17.7%13.5%
Born outside the US6.1%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 stationBATTLE GROUND, WA US17.3 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 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%.

This ZIP code is served by 3 school districts, so the address decides which one, not the ZIP code.

Battle Ground School District83.8% of this ZIP code's land area
Woodland School District8.9% of this ZIP code's land area
Green Mountain School District7.2% 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 vulnerability31more vulnerable than 31% of US census tracts
Socioeconomic status32more vulnerable than 32% of US census tracts
Household characteristics37more vulnerable than 37% of US census tracts
Racial and ethnic minority status16more vulnerable than 16% of US census tracts
Housing type and transport43more vulnerable than 43% of US census tracts
Walkability5.7 out of 20Least walkable
Nearby ZIP codes

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

98675 Yacolt, WA6.8 km away
98603 Ariel, WA8.5 km away
98622 Heisson, WA10.9 km away
98629 La Center, WA13.6 km away
98604 Battle Ground, WA15.4 km away
98616 Cougar, WA19.1 km away
98674 Woodland, WA19.7 km away
98606 Brush Prairie, WA21.1 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.

Clark County91.1% of this ZIP code's land area
Cowlitz County8.9% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area31.07 sq mi
Water area1.14 sq mi
Population density88 people per sq mi
Latitude, longitude45.9195, -122.4574

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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