Postal Codes

98043 ZIP Code

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ZIP code 98043 covers Mountlake Terrace, Washington, with a population of about 21,417 and a median household income of $101,408.

Population
21,4175,288 per square mile
Median age
38.20.5 points below the US average
Median household income
$101,4081.1× the Washington median
Poverty rate
8%4.4 points below the US average
Typical home value
$678,693up 13.8% in five years
Median rent
$1,9661.2× the Washington median
Degree or higher
41.8%6.8 points above the US average
Homeownership
56.1%8.9 points below the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
463

Where 98043 is

Mountlake Terrace, 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

Population21,417
Median age38.2
Family households58.5%
Born outside the US18.3%
Speaks a language other than English at home24.3%
White (non-Hispanic)60.6%
Black (non-Hispanic)3.6%
Asian (non-Hispanic)10.4%
Hispanic or Latino17.2%
Veterans5.9%
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$101,408
Income per person$55,298
Poverty rate8%
Households on SNAP or cash assistance9.7%

Household income distribution

Under $10k3.8%
$10–15k1.0%
$15–20k1.5%
$20–25k1.6%
$25–30k1.6%
$30–35k1.9%
$35–40k1.7%
$40–45k1.8%
$45–50k3.0%
$50–60k6.2%
$60–75k12.2%
$75–100k11.7%
$100–125k14.8%
$125–150k9.9%
$150–200k13.1%
$200k or more14.2%

Income as declared to the IRS

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

Tax returns filed11,360
Mean adjusted gross income$89,201
Returns declaring $200,000 or more7.7%
Returns, under $25k18.8%
Returns, $25k–$50k19.7%
Returns, $50k–$75k19.1%
Returns, $75k–$100k12.8%
Returns, $100k–$200k21.8%
Returns, $200k or more7.7%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$605,800
Median gross rent$1,966
Rent as a share of household income30.1%
Owner-occupied56.1%
Vacant homes4.1%
Median year built1971

What the homes are

Detached house49.4%
Attached house5.2%
2 to 4 units6.9%
5 to 19 units18.1%
20 or more units18.4%
Mobile home2%
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$678,693as of 2026-07
Typical home value, 1 yeardown 2.1%
Typical home value, 5 yearsup 13.8%
Typical home value, 10 yearsup 99.2%
Typical asking rent$2,109as of 2026-07
Typical asking rent, 1 yearup 1.6%
Typical asking rent, 5 yearsup 20.9%
Typical home value since 2000
200020132026$697,959$197,278

$197,278 in 2000 to $678,693 in 2026.

Typical asking rent
202120232026$2,109$1,744

$1,744 in 2021 to $2,109 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.9%
Bachelor's degree or higher41.8%
High school diploma or higher93.8%
Works from home22.6%
Drives to work alone61.8%
Takes public transport4.2%
Commutes 45 minutes or more22.7%
Health

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

Obesity30.4% 3 pts below the national average of 33.4%
Diagnosed diabetes8.7% 3.3 pts below the national average of 12%
Currently smokes9.4% 3.8 pts below the national average of 13.2%
High blood pressure28.6% 5.5 pts below the national average of 34.1%
Fair or poor general health14.8% 5.5 pts below the national average of 20.3%
No health insurance (18–64)7.4% 3.9 pts below the national average of 11.3%
Depression25.2% 3.3 pts above the national average of 21.9%
No leisure-time physical activity16.9% 8.5 pts below the national average of 25.4%
Arthritis23% 2.1 pts below the national average of 25.1%
Binge drinking16.5% 0.5 pts above the national average of 16%
Taking blood pressure medication70.2% 4.5 pts below the national average of 74.7%
Cancer (non-skin)7.4% same as the national average of 7.7%
Current asthma11.3% 0.9 pts above the national average of 10.4%
Coronary heart disease4.7% 1.5 pts below the national average of 6.2%
Routine check-up in past year71.7% 5 pts below the national average of 76.7%
Cholesterol screening84.8% 1.1 pts below the national average of 85.9%
Cognitive disability12.4% 2.4 pts below the national average of 14.8%
Colorectal screening66.4% 2.1 pts above the national average of 64.3%
COPD4.5% 2.1 pts below the national average of 6.6%
Visited a dentist68.5% 7.2 pts above the national average of 61.3%
Any disability25.1% 5.6 pts below the national average of 30.7%
Hearing disability5.8% 0.9 pts below the national average of 6.7%
High cholesterol34.5% 1.7 pts below the national average of 36.2%
Independent living disability6.2% 2.2 pts below the national average of 8.4%
Mammography use73.8% 2.1 pts below the national average of 75.9%
Poor mental health (14+ days)15.8% 1 pts below the national average of 16.8%
Mobility disability10.1% 3.9 pts below the national average of 14%
Poor physical health (14+ days)11.7% 1.8 pts below the national average of 13.5%
Self-care disability2.8% 1.2 pts below the national average of 4%
Sleeps under 7 hours33.6% 2.8 pts below the national average of 36.4%
Stroke2.6% 0.8 pts below the national average of 3.4%
All natural teeth lost8% 5 pts below the national average of 13%
Vision disability3.6% 2 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments463
People employed8,823
Annual payroll$636,666,000
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 66% of US census tracts
FEMA ratingRelatively Low to Relatively High across the 6 census tracts this ZIP code covers
Expected annual loss73.5 out of 100
Community resilience69.5 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.

Earthquake93.8Very High at its worst in this ZIP code
Landslide88.5Relatively Low at its worst in this ZIP code
Volcanic activity82.6Very Low at its worst in this ZIP code
Ice storm80.3Relatively Moderate at its worst in this ZIP code
Heat wave57.7Relatively Moderate at its worst in this ZIP code
Winter weather55Relatively Moderate at its worst in this ZIP code
Wildfire42.3Very Low at its worst in this ZIP code
Lightning33.3Relatively Low at its worst in this ZIP code
River flooding23.2Relatively Low at its worst in this ZIP code
Tornado13.5Very Low at its worst in this ZIP code
Hail6.3Very Low at its worst in this ZIP code
Strong wind4.3Very 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$101,408$94,952$78,538
Income per person$55,298$51,493$43,289
Poverty rate8%9.9%12.4%
Median home value$605,800$519,800$303,400
Median gross rent$1,966$1,682$1,348
Homeownership56.1%63.9%65%
Bachelor's degree or higher41.8%38.8%35%
Unemployment rate4.9%5%5.2%
Works from home22.6%17.7%13.5%
Born outside the US18.3%15.1%13.9%
Median age38.238.238.7
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 stationSEATTLE SAND PT WSFO, WA US12.4 km away
Rain in a year38 in
Snow in a year4 in

Average high and low by month

January47.4°F / 37.2°F5.14 in rain, 0.9 in snow
February49.8°F / 37°F3.54 in rain, 1 in snow
March53.9°F / 39.2°F3.86 in rain
April58.8°F / 42.8°F2.98 in rain
May65.3°F / 48.3°F2.16 in rain
June70.2°F / 52.7°F1.57 in rain
July76.5°F / 56.5°F0.78 in rain
August77°F / 57.1°F1 in rain
September71.3°F / 53.2°F1.74 in rain
October60.5°F / 46.7°F3.65 in rain
November51.9°F / 40.9°F5.85 in rain, 0.2 in snow
December46.5°F / 37°F5.55 in rain, 1.7 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 supermarket20% 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%.

Edmonds 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 vulnerability52more vulnerable than 52% of US census tracts
Socioeconomic status38more vulnerable than 38% of US census tracts
Household characteristics49more vulnerable than 49% of US census tracts
Racial and ethnic minority status54more vulnerable than 54% of US census tracts
Housing type and transport65more vulnerable than 65% of US census tracts
Walkability14.1 out of 20Above average
Nearby ZIP codes

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

98036 Lynnwood, WA2.1 km away
98046 Lynnwood, WA3.1 km away
98155 Seattle, WA4.2 km away
98026 Edmonds, WA4.9 km away
98020 Edmonds, WA5 km away
98037 Lynnwood, WA5.4 km away
98021 Bothell, WA6.2 km away
98028 Kenmore, WA6.3 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.

Snohomish County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area4.05 sq mi
Water area0.1 sq mi
Population density5,288 people per sq mi
Latitude, longitude47.7933, -122.3076

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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