Zip code 98240: Custer, Washington

Q: What city is zip code 98240?

98240 is assigned to Custer, Washington. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 98240 in?

98240 is in Whatcom County, Washington.

Q: What is the population of 98240?

About 3,593 people live in 98240, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 98240?

The median household income in 98240 is $110,116.

Q: What zip codes are near 98240?

The closest zip codes to 98240 are 98230, 98248, 98231, 98264, 98226.

Residential delivery areaWhatcom CountyPacific Time

Population

3,593

Median household income

$110K

U.S. $81K

Median home value

$620K

U.S. $333K

Median rent

—

U.S. $1,413

Median age

36.9

U.S. 38.9

Land area

22 sq mi

161 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 98240

98240 is a small-town zip code in Custer, Washington (Whatcom County), covering 22 sq mi of land. About 3,593 people live here, or 161 per square mile. The median resident is 36.9 years old, compared with 38.9 nationally.

The median household earns $110,116 a year, 36% above the national median of $80,734. 4.3% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $619,700, or 5.6 years of median household income (U.S.: 4.1 years), which makes homes relatively expensive for local earners. 93% of occupied homes are lived in by their owners.

24% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 19.8 minutes each way, and 16% of workers work from home. The most common jobs among working residents are in office and administrative support; management; and sales. 31% of households speak a language other than English at home, most often Spanish.

How 98240 compares

Sorted from highest to lowest national percentile

Homeownership rate93%
98th
StrengthU.S. 65.2% · WA 63.8%38th of 563 in WA
Residents under 1828.9%
93rd
U.S. 22% · WA 21.4%57th of 571 in WA
Unemployment rate8%
87th
WeaknessU.S. 5.2% · WA 5.1%92nd of 570 in WA
Median home value$619,700
83rd
U.S. $332,700 · WA $564,600127th of 536 in WA
Self-employed workers12.6%
81st
U.S. 10% · WA 9.6%173rd of 570 in WA
Median household income$110,116
79th
U.S. $80,734 · WA $98,141117th of 541 in WA
Uninsured rate11%
76th
U.S. 8.4% · WA 6.3%92nd of 567 in WA
Median earnings per worker$60,671
76th
U.S. $49,666 · WA $59,959179th of 566 in WA
Broadband access94.6%
72nd
U.S. 91% · WA 93.6%192nd of 563 in WA
Per capita income$47,642
68th
U.S. $44,673 · WA $53,744201st of 570 in WA
Work from home15.5%
63rd
U.S. 15.1% · WA 19.8%234th of 570 in WA
Government workers15.4%
62nd
U.S. 14.5% · WA 16%339th of 570 in WA
Foreign-born residents12%
57th
U.S. 14.1% · WA 15.4%173rd of 571 in WA
Housing vacancy5.9%
43rd
U.S. 10.1% · WA 7.3%339th of 563 in WA
Residents 65 and older15.1%
39th
U.S. 17.2% · WA 16.6%404th of 571 in WA
Median age36.9
34th
U.S. 38.9 · WA 38.3429th of 571 in WA
Diversity index37.5
33rd
U.S. 61.4 · WA 56.5314th of 571 in WA
Healthcare workers8.2%
31st
U.S. 9.7% · WA 9.3%301st of 570 in WA
Bachelor's degree or higher23.6%
30th
U.S. 35.7% · WA 39.6%350th of 571 in WA
Veterans3.8%
24th
U.S. 6.2% · WA 7.8%498th of 571 in WA
Population density161/sq mi
18th
U.S. 95/sq mi · WA 118/sq mi286th of 571 in WA
Average commute19.8 min
12th
StrengthU.S. 26.4 min · WA 26.6 min456th of 546 in WA
Poverty rate4.3%
8th
StrengthU.S. 12.5% · WA 9.9%500th of 563 in WA
Tech workers0.7%
8th
U.S. 3.8% · WA 6.7%399th of 570 in WA
Population3,593
6th
U.S. 334,922,499 · WA 7,816,116323rd of 571 in WA
Income inequality (Gini)0.352
3rd
StrengthU.S. 0.483 · WA 0.469495th of 560 in WA
Rent-burdened renters0%
1st
StrengthU.S. 51.1% · WA 49.9%538th of 541 in WA

Measure	98240	Whatcom	WA	U.S.	National percentile	Rank in WA
Homeownership rateStrength	93%	63.7%	63.8%	65.2%	98th	38th of 563
Residents under 18	28.9%	18.5%	21.4%	22%	93rd	57th of 571
Unemployment rateWeakness	8%	4.8%	5.1%	5.2%	87th	92nd of 570
Median home value	$619,700	$585,800	$564,600	$332,700	83rd	127th of 536
Self-employed workers	12.6%	12.8%	9.6%	10%	81st	173rd of 570
Median household income	$110,116	$81,784	$98,141	$80,734	79th	117th of 541
Uninsured rate	11%	5.8%	6.3%	8.4%	76th	92nd of 567
Median earnings per worker	$60,671	$48,317	$59,959	$49,666	76th	179th of 566
Broadband access	94.6%	93.7%	93.6%	91%	72nd	192nd of 563
Per capita income	$47,642	$45,361	$53,744	$44,673	68th	201st of 570
Work from home	15.5%	14.8%	19.8%	15.1%	63rd	234th of 570
Government workers	15.4%	15.7%	16%	14.5%	62nd	339th of 570
Foreign-born residents	12%	9.9%	15.4%	14.1%	57th	173rd of 571
Housing vacancy	5.9%	9.2%	7.3%	10.1%	43rd	339th of 563
Residents 65 and older	15.1%	18.9%	16.6%	17.2%	39th	404th of 571
Median age	36.9	38.4	38.3	38.9	34th	429th of 571
Diversity index	37.5	40.9	56.5	61.4	33rd	314th of 571
Healthcare workers	8.2%	9.6%	9.3%	9.7%	31st	301st of 570
Bachelor's degree or higher	23.6%	39.3%	39.6%	35.7%	30th	350th of 571
Veterans	3.8%	6.3%	7.8%	6.2%	24th	498th of 571
Population density	161/sq mi	109/sq mi	118/sq mi	95/sq mi	18th	286th of 571
Average commuteStrength	19.8 min	21.6 min	26.6 min	26.4 min	12th	456th of 546
Poverty rateStrength	4.3%	12.9%	9.9%	12.5%	8th	500th of 563
Tech workers	0.7%	2.9%	6.7%	3.8%	8th	399th of 570
Population	3,593	230,503	7,816,116	334,922,499	6th	323rd of 571
Income inequality (Gini)Strength	0.352	0.462	0.469	0.483	3rd	495th of 560
Rent-burdened rentersStrength	0%	60.1%	49.9%	51.1%	1st	538th of 541

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

24%

5–17

18–24

10%

25–34

17%

35–44

12%

45–54

12%

55–64

10%

65–74

75+

Median age

36.9

Under 18

28.9%

65 and over

15.1%

Race and ethnicity

White77%
Black0.1%
Hispanic20%
Asian1%
Native American0%
Pacific Islander0%
Other0%
Multiracial3%

Diversity index

37.5

U.S. 61.4

Foreign-born

12%

U.S. 14.1%

Born in state

57%

Language spoken at home (households)

English only

69%

Spanish

29%

Other Indo-European

Asian / Pacific

Other

Households

Households: 1,265
Average household size: 2.8
Family households: 89.7%
Married couples: 65.1%
Living alone: 6.2%
Veterans (of adults): 3.8%
Male / female: 50% / 50%

Income and poverty

Household income distribution

<$25k

$25–50k

$50–75k

16%

$75–100k

18%

$100–150k

35%

$150–200k

10%

$200k+

12%

Median household income

98240

$110,116

Whatcom Co.

$81,784

Washington

$98,141

United States

$80,734

Per capita income

$47,642

U.S. $44,673

Poverty rate

4.3%

U.S. 12.5%

Households earning $150K+

22.2%

U.S. 23%

Income inequality (Gini)

0.352

U.S. 0.483

Housing

Median home value

98240

$619,700

Whatcom Co.

$585,800

Washington

$564,600

United States

$332,700

Median gross rent

98240

—

Whatcom Co.

$1,555

Washington

$1,760

United States

$1,413

Types of housing

Single-family

82%

2–4 units

5–19 units

20+ units

Mobile home

18%

Boat, RV, van

Housing units: 1,345
Owner-occupied: 93%
Vacant: 5.9%
Median year built: 1989
Median rooms: 6.7
Renters paying 30%+ of income: 0%
Renters paying 50%+ of income: 0%
Home value to income: 5.6× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

71%

Carpooled

11%

Transit

0.2%

Walked

Bicycle

Worked from home

16%

Other

Commute time (one way)

<10 min

18%

10–19

35%

20–29

33%

30–44

45–59

60+

Average commute

19.8 min

U.S. 26.4 min

Unemployment

U.S. 5.2%

In labor force

61.6%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Office and admin

15%

Management

13%

Sales

12%

Farming, fishing and forestry

11%

Construction and repair

10%

Transportation and moving

Healthcare

Production

Engineering and science

Cleaning and personal care

Business and finance

Education

Police and fire

Food service

Computer and math

0.7%

Legal and social services

0.3%

Arts, media and sports

Industries

Manufacturing

18%

Agriculture and mining

12%

Construction

Transportation, warehousing and utilities

Health care and social assistance

Retail

Public administration

Education

Finance, insurance and real estate

Professional and technical services

Admin, support and management

Other services

Restaurants and hotels

Wholesale

Information

Arts and recreation

Median earnings per worker

$60,671

U.S. $49,666

Self-employed

12.6%

U.S. 10%

Government workers

15.4%

U.S. 14.5%

Nonprofit workers

8.6%

U.S. 8.8%

Median earnings by type of work

Type of work	98240	U.S.
Management, business, science and arts	$77,240	$74,888
Service	$39,183	$26,804
Sales and office	$48,564	$40,476
Construction and maintenance	$61,060	$49,199
Production and transportation	$83,085	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

34%

Some college

18%

Associate's

17%

Bachelor's

17%

Graduate

High school graduate or higher: 93%
Bachelor's degree or higher: 23.6%
Graduate or professional degree: 6.7%
Households with broadband: 94.6%
Cable, fiber or DSL: 50.3%
No internet access: 4.3%
Without health insurance: 11%
Limited-English households: 0%

Geography

City (USPS): Custer
State: Washington
County: Whatcom County
Center point: 48.9482° N, 122.6207° W
Land area: 22 sq mi
Water area: under 0.1 sq mi
Time zone: Pacific Time (UTC-8, UTC-7 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Custer (unincorporated)7% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 98240

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
98230	Blaine, WA	3.8 mi	18,744	$86,623	$499,800
98248	Ferndale, WA	5.7 mi	28,498	$91,060	$589,600
98231	Blaine, WA · PO box	6.5 mi	—	—	—
98264	Lynden, WA	7.5 mi	23,123	$103,638	$609,100
98226	Bellingham, WA	14 mi	46,782	$79,375	$607,600
98276	Nooksack, WA	14 mi	1,794	$97,159	$524,300
98225	Bellingham, WA	14 mi	50,216	$63,941	$631,200
98227	Bellingham, WA · PO box	14 mi	—	—	—
98228	Bellingham, WA · PO box	14 mi	—	—	—
98247	Everson, WA	14 mi	9,115	$88,724	$564,400
98262	Lummi Island, WA	18 mi	957	$83,000	$579,000
98295	Sumas, WA	20 mi	3,279	$98,965	$456,200

Zip codes like 98240 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 98240

What city is zip code 98240?

98240 is assigned to Custer, Washington. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 98240 in?

98240 is in Whatcom County, Washington.

What is the population of 98240?

About 3,593 people live in 98240, according to the Census Bureau's American Community Survey.

What time zone is 98240 in?

98240 is in Pacific Time.

What is the median household income in 98240?

The median household income in 98240 is $110,116.

What zip codes are near 98240?

The closest zip codes to 98240 are 98230, 98248, 98231, 98264, 98226.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 98240, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.