PlainZIP

Mountlake Terrace, WA · standard

ZIP Code 98043

Snohomish County, Washington - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

19,943
1,883/sq mi
$107,687
Median income
$667,100
Median home value
42.9%
Bachelor's or higher

The verdict

Mountlake Terrace pairs an upper-quartile household income with top-decile home values, in a low-density, mixed-tenure area.

Top 15%
household income, US ZIPs
Top 7%
home value, US ZIPs
1,883
people per sq mi
57%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 98043 against every reporting US ZIP.

ZIP code 98043 is a mid-sized community (a standard USPS delivery area) in Mountlake Terrace, Snohomish County, Washington, home to 19,943 residents across 10.6 square miles, a density of 1,883 people per square mile, in the Los Angeles time zone.

ZIP 98043 lands in the middle-income range, with a median household income of $107,687 (18% above the Washington average), while per-capita income is $59,449. 7.0% of residents live below the poverty line, and the unemployment rate reads 4.2%. Median home value sits at $667,100 (31% above the state average), median rent at $2,004 a month, and owner-occupancy at 56.8%.

A solid share of residents have a four-year degree: 42.9% of adults hold a bachelor's degree or higher, the median age is 38.3, and the average commute is 28 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Snohomish County, so you can benchmark 98043 against its immediate geography rather than a national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 98043

Top 5 sectors by establishment count in Mountlake Terrace, WA

Which industries have the most business establishments in ZIP 98043.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 98043, Mountlake Terrace, WA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

19,943

Population

10.6

Area (sq mi)

1,883

People / sq mi

Los Angeles

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 98043?

38.3

Median Age

49.5%

Male

50.5%

Female

18.6%

Foreign-Born

White 61.4%
African American 4.2%
Asian 11.7%
American Indian or Alaska Native 1.0%
Native Hawaiian or Pacific Islander 0.3%
Two or More Ethnicities 13.1%
Hispanic or Latino 15.3%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$107,687

Median Household Income

+18% vs state

$59,449

Per Capita Income

7.0%

Poverty Rate

4.2%

Unemployment Rate

27.9 min

Mean Commute Time

How ZIP 98043 ranks nationally

Mountlake Terrace, WA household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$107,687 Top 15% higher than 85% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). This entry sits in this band. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 64.5%
Bachelor's Degree or Higher 42.9%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

10,198

Total Housing Units

9,843

Occupied Units

355

Vacant Units

2.33

Avg Household Size

Occupancy Type

Owner 56.8%
Renter 43.2%

$667,100

Median Home Value

+31% vs state

$2,004

Median Rent

1973

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+7.8%

YoY Change (2024)

381

HPI Index (2000 = 100)

+281%

Total Change Since 2000

Home values in ZIP 98043 have increased 7.8% over the past year (2024). Since 2000, this ZIP has seen +281% cumulative appreciation.

Year Annual Change HPI Index
2020 +4.8% 268
2021 +15.3% 308
2022 +17.8% 363
2023 -2.6% 354
2024 +7.8% 381

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 472 business establishments in ZIP 98043, employing approximately 9,070 people with a combined annual payroll of $673,000,000.

472

Businesses

9,070

Employees

$673.0M

Annual Payroll

15

Industry Sectors

Industry Establishments % of Total
Construction 86 18.2%
Health care and social assistance 78 16.5%
Professional, scientific, and technical services 57 12.1%
Other services (except public administration) 48 10.2%
Retail trade 40 8.5%
Accommodation and food services 31 6.6%
Finance and insurance 24 5.1%
Administrative and support and waste management and remediation services 24 5.1%
Wholesale trade 18 3.8%
Manufacturing 13 2.8%
Real estate and rental and leasing 12 2.5%
Arts, entertainment, and recreation 12 2.5%
Transportation and warehousing 11 2.3%
Educational services 9 1.9%
Information 7 1.5%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 98043 vs 98155 →

ZIP 98043 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 98043 ranks #0 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 98043 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 98043 ranks #6 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
98155 Seattle, WA 32,778 2.5 mi
98036 Lynnwood, WA 36,000 1.8 mi
98026 Edmonds, WA 35,921 3.2 mi
98037 Lynnwood, WA 26,889 3.4 mi
98020 Edmonds, WA 18,304 3.1 mi
98125 Seattle, WA 37,081 5.2 mi
98133 Seattle, WA 44,555 4.0 mi
98028 Kenmore, WA 20,419 3.8 mi
98021 Bothell, WA 26,722 4.6 mi
98087 Lynnwood, WA 29,976 5.3 mi

More ZIP Codes in Snohomish County

98208 standard
Everett, WA
Pop: 51,802
98012 standard
Bothell, WA
Pop: 51,136
98270 standard
Marysville, WA
Pop: 45,899
98223 standard
Arlington, WA
Pop: 40,815
98204 standard
Everett, WA
Pop: 39,380
98036 standard
Lynnwood, WA
Pop: 36,000

Related Areas

Snohomish County Mountlake Terrace, WA Washington

Frequently Asked Questions

What county is ZIP code 98043 in? ▼
ZIP code 98043 (Mountlake Terrace) is located in Snohomish County, Washington. Snohomish County contains multiple ZIP codes, see the full list at /counties/snohomish-wa.
What is the population of ZIP code 98043? ▼
ZIP code 98043 in Mountlake Terrace, WA has a population of 19,943 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 98043? ▼
The median household income in ZIP 98043 is $107,687, which is 41% above the national average of $76,288.
What is the average home value in ZIP 98043? ▼
The median home value in ZIP 98043 is $667,100, which is 140% above the national average of $278,155.
What is the demographic makeup of ZIP 98043? ▼
The largest racial group in ZIP 98043 is White at 61.4%. Hispanic or Latino residents make up 15.3% of the population.
How many businesses are in ZIP code 98043? ▼
ZIP code 98043 has 472 business establishments employing approximately 9,070 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 98043? ▼
The top industries by establishment count in ZIP 98043 are: Construction (86), Health care and social assistance (78), Professional, scientific, and technical services (57). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 98043? ▼
According to the FHFA House Price Index, home values in ZIP 98043 increased by 7.8% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 281%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 98043? ▼
In ZIP code 98043, 64.5% of residents aged 25+ have a high school diploma or higher, and 42.9% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 98043? ▼
The mean commute time for workers in ZIP code 98043 is 27.9 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 98043? ▼
In ZIP code 98043, approximately 56.8% of occupied housing units are owner-occupied and 43.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 98043? ▼
The poverty rate in ZIP code 98043 is 7.0% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.