98230 ZIP Code — Blaine, WA

Whatcom County, Washington

ZIP code 98230 is located in Blaine, Washington, within Whatcom County. It covers approximately 42.53 square miles and serves a population of 18,605 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 360/564.

About ZIP code 98230

The housing stock consists of a mix of housing types. Most homes were built in the 2000s, giving the area an established character. Median home value is $419,400. Owner-occupancy is high at 78%, well above the national average.

Median household income is $79,789. 42% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 25 minutes is near the national average.

Educational attainment is near the national average, with 31% of residents holding a bachelor's degree or higher.

Overall, ZIP code 98230 reflects a community defined by high homeownership and a significant Social Security-dependent population.

18,605

population

42.53

sq mi land

Standard

ZIP type

Pacific (PT)

timezone

98230 ZIP code map

Cities in ZIP code 98230

Below are the cities the US Postal Service accepts for ZIP code 98230. Using any city not on this list may result in mail delivery delays.

City	Status
Blaine	Acceptable
Blaine	Preferred

Nearby ZIP codes

98240 Custer (3.3 mi) 98248 Ferndale (5.7 mi) 98264 Lynden (12.1 mi) 98226 Bellingham (14 mi) 98225 Bellingham (14.7 mi) 98262 Lummi Island (16.3 mi) 98276 Nooksack (16.6 mi) 98247 Everson (16.6 mi) 98281 Point Roberts (17.2 mi)

Demographics updated 05/2026

Population
Total population	18,605
Population density	437 / sq mi
State FIPS	53
County FIPS	073

Geography
Land area	42.53 sq mi
Water area	4.67 sq mi
Latitude	48.9300
Longitude	-122.6866
Timezone	Pacific (PT)
Area code	360/564

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	35.4%	37.7%	31.7%
$50k – $100k	34.5%	33.5%	30.6%
$100k – $200k	23.2%	23.7%	27.1%
Over $200k	6.9%	5.1%	10.6%

Demographics & statistics

18,605

Population

437

People per sq mi

44.5

Median age

$79,789

Median household income

$41,146

Per capita income

$419,400

Median home value

$1,273

Median monthly rent

77.8%

Home ownership

10.3%

Poverty rate

6.3%

Unemployment

7,533

Housing units

30.7%

Bachelor's or higher

Age distribution

Male Female

528

Under 5

511

673

5–9

650

432

10–14

418

566

15–19

548

524

20–24

506

1,011

25–34

978

1,055

35–44

1,020

1,033

45–54

1,000

585

55–59

565

826

60–64

799

1,403

65–74

1,356

647

75–84

626

175

85+

170

← Male

Female →

Age summary

Group	Count	%
Under 18	3,915	21.0%
18 and over	14,690	79.0%
65 and over	4,377	23.5%
Median age	44.5 years

Race & ethnicity

White 73.6%

Two or more races 11.4%

Hispanic or Latino 7.1%

Asian 3.2%

Other race 1.7%

Black or African American 1.5%

American Indian / Alaska Native 0.9%

Native Hawaiian / Pacific Islander 0.6%

Group	Count	%
White	14,730	73.6%
Two or more races	2,277	11.4%
Hispanic or Latino	1,422	7.1%
Asian	650	3.2%
Other race	350	1.7%
Black or African American	298	1.5%
American Indian / Alaska Native	173	0.9%
Native Hawaiian / Pacific Islander	127	0.6%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	35.4%	37.7%	31.7%
$50k – $100k	34.5%	33.5%	30.6%
$100k – $200k	23.2%	23.7%	27.1%
Over $200k	6.9%	5.1%	10.6%

Under $10k 4.7%

$10k–$15k 5.1%

$15k–$25k 7.5%

$25k–$35k 5.3%

$35k–$50k 7.9%

$50k–$75k 16.0%

$75k–$100k 17.6%

$100k–$150k 19.5%

$150k–$200k 8.9%

$200k+ 7.4%

Range	% of households
Under $10k	4.7%
$10k–$15k	5.1%
$15k–$25k	7.5%
$25k–$35k	5.3%
$35k–$50k	7.9%
$50k–$75k	16.0%
$75k–$100k	17.6%
$100k–$150k	19.5%
$150k–$200k	8.9%
$200k+	7.4%
Median income	$79,789

Housing

Home values

Under $50k 5.7%

$50k–$100k 2.8%

$100k–$150k 2.3%

$150k–$200k 2.1%

$200k–$300k 15.8%

$300k–$500k 38.7%

$500k–$1M 27.4%

$1M+ 5.3%

Housing overview

Metric	Value
Median home value	$419,400
Median rent / month	$1,273
Owner occupied	77.8%
Renter occupied	22.2%
Vacant	14.9%
Single-family detached	68.9%
Large apartment buildings	1.7%
Mobile homes	13.1%
Median rooms	5.3
Avg household size (owned)	2.35

Year built

Era	%
2020 or later	1.0%
2010–2019	11.2%
2000–2009	27.2%
1990–1999	18.4%
1980–1989	9.8%
1970–1979	12.5%
1960–1969	6.8%
1950–1959	4.1%
1940–1949	2.0%
1939 or earlier	7.0%

Bedrooms

Size	% of units
No bedroom (studio)	2.6%
1 bedroom	8.3%
2 bedrooms	27.2%
3 bedrooms	44.2%
4 bedrooms	14.5%
5+ bedrooms	3.2%

Vehicles per household

Vehicles	% of households
No vehicle	4.3%
1 vehicle	32.8%
2 vehicles	40.3%
3 or more	22.6%

Heating fuel

Fuel type	%
Utility gas	41.0%
Electricity	44.6%
Propane / LP gas	10.8%
Fuel oil	0.5%
Wood	1.6%
Solar	0.1%
No fuel used	0.8%

Households & families

Household type	Count	%
Married-couple family	3,974	50.3%
Cohabiting couple	257	3.3%
Male householder, no spouse	1,696	21.5%
Female householder, no spouse	1,978	25.0%
Households with children under 18	2,065	26.1%
Households with seniors (65+)	3,226	40.8%
Average household size	2.35

Marital status

Status	Male	Female
Never married	29.3%	20.0%
Married	53.5%	54.2%
Separated	4.4%	2.4%
Widowed	2.8%	8.6%
Divorced	10.0%	14.9%

Education

Less than 9th grade 1.7%

Some HS, no diploma 4.2%

HS graduate 27.6%

Some college, no degree 26.2%

Associate's degree 9.8%

Bachelor's degree 19.0%

Graduate / professional 11.7%

Metric	%
HS diploma or higher	94.2%
Bachelor's or higher	30.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	256	7.0%
Kindergarten	251	6.9%
Elementary school	1,652	45.4%
High school	869	23.9%
College / grad school	607	16.7%

Employment

Industry of employment

Education & healthcare 20.3%

Manufacturing 15.8%

Retail trade 11.3%

Construction 9.7%

Public administration 8.4%

Professional & management 7.6%

Arts, food & hospitality 6.3%

Other services 6.1%

Finance & real estate 5.1%

Transportation & utilities 3.3%

Information 3.0%

Wholesale trade 2.0%

Agriculture & mining 1.2%

Occupation

Category	%
Management, business & arts	36.4%
Service	16.1%
Sales & office	19.8%
Natural resources & construction	10.3%
Production & transportation	17.4%

Employment type

Type	%
Private sector	75.1%
Government	18.3%
Self-employed	6.5%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	78.2%
Carpool	8.8%
Public transit	0.2%
Walk	1.5%
Work from home	10.5%
Other means	0.9%
Avg commute (minutes)	24.5

Poverty

All people 10.3%

Under 18 years 12.3%

18 and over 9.9%

Married-couple families 4.2%

Female-led households 38.7%

Income support

Source	% of households
Social Security	41.9%
Retirement income	30.2%
Supplemental Security	4.2%
Cash public assistance	5.3%
Food stamps / SNAP	11.7%

Health indicators

Condition	%
Obesity	28.5%
High blood pressure	32.3%
High cholesterol	33.8%
Diabetes	9.6%
Heart disease	6.5%
Stroke	3.1%
Asthma	10.6%
Arthritis	27.3%
Kidney disease	3.0%
Pulmonary disease	6.6%
Cancer	7.4%

Behavior / access	%
Smoking	15.7%
Binge drinking	18.2%
No physical activity	16.6%
Less than 7 hrs sleep	28.2%
Depression	27.2%
Fair or poor health	13.2%
Poor mental health	14.5%
Poor physical health	10.7%
No health insurance	9.8%
Visited doctor (checkup)	70.2%
Visited dentist	68.6%
Cholesterol screening	89.2%
Teeth loss	10.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,568	10.7%

Disability	%
Any disability	16.7%
Under 18	8.0%
18–64 years	13.8%
65 and over	31.4%

Health insurance coverage

Type	%
Private insurance	66.1%
Public insurance	44.4%
No insurance	6.8%
Uninsured under 19	2.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	17,566	94.4%
Spanish	586	3.3%
Other Indo-European	304	1.7%
Asian & Pacific Islander	157	0.9%
Other languages	119	0.7%

Place of birth & citizenship

Origin	Count	%
Native born (US)	16,066	86.4%
Born in same state	15,593	83.8%
Born in different state	8,397	45.1%
Foreign born	473	2.5%
Naturalized citizen	2,539	13.6%
Not a US citizen	1,260	49.6%

Ancestry

Ancestry	Count	%
French	2,562	13.8%
Italian	1,697	9.1%
Polish	1,198	6.4%
Arab	836	4.5%
English	676	3.6%

Ancestry	Count	%
German	234	1.3%
Dutch	138	0.7%
Norwegian	86	0.5%
Irish	52	0.3%

Technology access

Metric	% of households
Computer access	42.5%
Internet access	93.1%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 98230

What city is ZIP code 98230 in?

ZIP code 98230 is primarily assigned to Blaine, Washington.

What county is ZIP code 98230 in?

ZIP code 98230 falls within Whatcom County, Washington.

Does ZIP code 98230 have a large retiree population?

42% of households in ZIP code 98230 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 98230 have a large veteran population?

11% of civilians in ZIP code 98230 are veterans, above the national average of ~7%.

What is the typical home value in ZIP code 98230?

The median home value in ZIP code 98230 is $419,400.

What is the population of ZIP code 98230?

ZIP code 98230 has an estimated population of 18,605 residents, with a density of 437 people per square mile.

What timezone is ZIP code 98230 in?

ZIP code 98230 observes the PST timezone.