Zip code 98010: Black Diamond, Washington

Q: What city is zip code 98010?

98010 is assigned to Black Diamond, Washington. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 98010 in?

98010 is in King County, Washington.

Q: What is the population of 98010?

About 6,857 people live in 98010, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 98010?

The median household income in 98010 is $142,048.

Q: What zip codes are near 98010?

The closest zip codes to 98010 are 98093, 98051, 98092, 98042, 98038.

Residential delivery areaKing CountyPacific Time

Population

6,857

Median household income

$142K

U.S. $81K

Median home value

$775K

U.S. $333K

Median rent

$1,657/mo

U.S. $1,413

Median age

38.5

U.S. 38.9

Land area

15 sq mi

460 people/sq mi

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

About 98010

98010 is a small-town zip code in Black Diamond, Washington (King County), covering 15 sq mi of land. About 6,857 people live here, or 460 per square mile. The median resident is 38.5 years old, compared with 38.9 nationally.

The median household earns $142,048 a year, 76% above the national median of $80,734. 2.3% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $775,400, or 5.5 years of median household income (U.S.: 4.1 years), which makes homes relatively expensive for local earners. 86% of occupied homes are lived in by their owners, and renters pay a median of $1,657 a month.

53% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 37.3 minutes each way, and 24% of workers work from home. The most common jobs among working residents are in management; computer and math (tech); and healthcare. 20% of households speak a language other than English at home, most often an Asian or Pacific Island language.

How 98010 compares

Sorted from highest to lowest national percentile

Tech workers11.1%
97th
U.S. 3.8% · WA 6.7%41st of 570 in WA
Average commute37.3 min
95th
WeaknessU.S. 26.4 min · WA 26.6 min51st of 546 in WA
Median earnings per worker$86,192
95th
StrengthU.S. $49,666 · WA $59,95949th of 566 in WA
Median household income$142,048
93rd
StrengthU.S. $80,734 · WA $98,14140th of 541 in WA
Per capita income$66,955
90th
StrengthU.S. $44,673 · WA $53,74468th of 570 in WA
Median home value$775,400
90th
U.S. $332,700 · WA $564,60073rd of 536 in WA
Homeownership rate85.7%
90th
StrengthU.S. 65.2% · WA 63.8%113th of 563 in WA
Broadband access96.4%
88th
StrengthU.S. 91% · WA 93.6%89th of 563 in WA
Work from home24.2%
87th
U.S. 15.1% · WA 19.8%120th of 570 in WA
Bachelor's degree or higher52.7%
82nd
StrengthU.S. 35.7% · WA 39.6%73rd of 571 in WA
Government workers17.3%
73rd
U.S. 14.5% · WA 16%281st of 570 in WA
Foreign-born residents18.2%
71st
U.S. 14.1% · WA 15.4%107th of 571 in WA
Residents under 1824.2%
68th
U.S. 22% · WA 21.4%152nd of 571 in WA
Veterans7.1%
67th
U.S. 6.2% · WA 7.8%357th of 571 in WA
Median gross rent$1,657
65th
U.S. $1,413 · WA $1,760181st of 475 in WA
Diversity index51.7
55th
U.S. 61.4 · WA 56.5174th of 571 in WA
Healthcare workers9.6%
52nd
U.S. 9.7% · WA 9.3%220th of 570 in WA
Median age38.5
46th
U.S. 38.9 · WA 38.3360th of 571 in WA
Self-employed workers8.8%
43rd
U.S. 10% · WA 9.6%342nd of 570 in WA
Population density460/sq mi
31st
U.S. 95/sq mi · WA 118/sq mi209th of 571 in WA
Housing vacancy4.5%
28th
U.S. 10.1% · WA 7.3%408th of 563 in WA
Residents 65 and older12.4%
20th
U.S. 17.2% · WA 16.6%475th of 571 in WA
Population6,857
11th
U.S. 334,922,499 · WA 7,816,116274th of 571 in WA
Rent-burdened renters36.9%
11th
StrengthU.S. 51.1% · WA 49.9%389th of 541 in WA
Uninsured rate2.2%
6th
StrengthU.S. 8.4% · WA 6.3%490th of 567 in WA
Unemployment rate1.2%
2nd
StrengthU.S. 5.2% · WA 5.1%490th of 570 in WA
Income inequality (Gini)0.347
2nd
StrengthU.S. 0.483 · WA 0.469503rd of 560 in WA
Poverty rate2.3%
1st
StrengthU.S. 12.5% · WA 9.9%539th of 563 in WA

Measure	98010	King	WA	U.S.	National percentile	Rank in WA
Tech workers	11.1%	12.8%	6.7%	3.8%	97th	41st of 570
Average commuteWeakness	37.3 min	27.6 min	26.6 min	26.4 min	95th	51st of 546
Median earnings per workerStrength	$86,192	$76,012	$59,959	$49,666	95th	49th of 566
Median household incomeStrength	$142,048	$124,746	$98,141	$80,734	93rd	40th of 541
Per capita incomeStrength	$66,955	$74,100	$53,744	$44,673	90th	68th of 570
Median home value	$775,400	$859,900	$564,600	$332,700	90th	73rd of 536
Homeownership rateStrength	85.7%	55.4%	63.8%	65.2%	90th	113th of 563
Broadband accessStrength	96.4%	95.1%	93.6%	91%	88th	89th of 563
Work from home	24.2%	29.2%	19.8%	15.1%	87th	120th of 570
Bachelor's degree or higherStrength	52.7%	56.7%	39.6%	35.7%	82nd	73rd of 571
Government workers	17.3%	11.7%	16%	14.5%	73rd	281st of 570
Foreign-born residents	18.2%	25.8%	15.4%	14.1%	71st	107th of 571
Residents under 18	24.2%	19.5%	21.4%	22%	68th	152nd of 571
Veterans	7.1%	4.5%	7.8%	6.2%	67th	357th of 571
Median gross rent	$1,657	$2,092	$1,760	$1,413	65th	181st of 475
Diversity index	51.7	65.6	56.5	61.4	55th	174th of 571
Healthcare workers	9.6%	8.2%	9.3%	9.7%	52nd	220th of 570
Median age	38.5	37.4	38.3	38.9	46th	360th of 571
Self-employed workers	8.8%	9.4%	9.6%	10%	43rd	342nd of 570
Population density	460/sq mi	1,081/sq mi	118/sq mi	95/sq mi	31st	209th of 571
Housing vacancy	4.5%	6.2%	7.3%	10.1%	28th	408th of 563
Residents 65 and older	12.4%	14%	16.6%	17.2%	20th	475th of 571
Population	6,857	2,287,171	7,816,116	334,922,499	11th	274th of 571
Rent-burdened rentersStrength	36.9%	46.8%	49.9%	51.1%	11th	389th of 541
Uninsured rateStrength	2.2%	5.2%	6.3%	8.4%	6th	490th of 567
Unemployment rateStrength	1.2%	4.8%	5.1%	5.2%	2nd	490th of 570
Income inequality (Gini)Strength	0.347	0.483	0.469	0.483	2nd	503rd of 560
Poverty rateStrength	2.3%	8.6%	9.9%	12.5%	1st	539th of 563

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

18%

5–17

18–24

16%

25–34

17%

35–44

12%

45–54

13%

55–64

65–74

75+

Median age

38.5

Under 18

24.2%

65 and over

12.4%

Race and ethnicity

White66%
Black0.4%
Hispanic7%
Asian17%
Native American0%
Pacific Islander0%
Other0.5%
Multiracial8%

Diversity index

51.7

U.S. 61.4

Foreign-born

18.2%

U.S. 14.1%

Born in state

43.7%

Language spoken at home (households)

English only

80%

Spanish

Other Indo-European

Asian / Pacific

10%

Other

Households

Households: 2,649
Average household size: 2.6
Family households: 76.3%
Married couples: 62.7%
Living alone: 16.7%
Veterans (of adults): 7.1%
Male / female: 51% / 49%

Income and poverty

Household income distribution

<$25k

$25–50k

$50–75k

$75–100k

$100–150k

30%

$150–200k

13%

$200k+

32%

Median household income

98010

$142,048

King Co.

$124,746

Washington

$98,141

United States

$80,734

Per capita income

$66,955

U.S. $44,673

Poverty rate

2.3%

U.S. 12.5%

Households earning $150K+

45.2%

U.S. 23%

Income inequality (Gini)

0.347

U.S. 0.483

Housing

Median home value

98010

$775,400

King Co.

$859,900

Washington

$564,600

United States

$332,700

Median gross rent

98010

$1,657

King Co.

$2,092

Washington

$1,760

United States

$1,413

Types of housing

Single-family

89%

2–4 units

5–19 units

20+ units

Mobile home

Boat, RV, van

Housing units: 2,775
Owner-occupied: 85.7%
Vacant: 4.5%
Median year built: 2001
Median rooms: 6.4
Renters paying 30%+ of income: 36.9%
Renters paying 50%+ of income: 3.7%
Home value to income: 5.5× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

66%

Carpooled

Transit

0.2%

Walked

0.7%

Bicycle

Worked from home

24%

Other

Commute time (one way)

<10 min

10–19

14%

20–29

14%

30–44

29%

45–59

17%

60+

17%

Average commute

37.3 min

U.S. 26.4 min

Unemployment

1.2%

U.S. 5.2%

In labor force

72.7%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

14%

Computer and math

11%

Healthcare

10%

Construction and repair

Sales

Office and admin

Business and finance

Cleaning and personal care

Education

Transportation and moving

Production

Legal and social services

Arts, media and sports

Engineering and science

Police and fire

Food service

Farming, fishing and forestry

0.4%

Industries

Professional and technical services

15%

Retail

14%

Health care and social assistance

11%

Construction

10%

Transportation, warehousing and utilities

Finance, insurance and real estate

Education

Manufacturing

Public administration

Admin, support and management

Restaurants and hotels

Wholesale

Other services

Arts and recreation

Information

Agriculture and mining

0.6%

Median earnings per worker

$86,192

U.S. $49,666

Self-employed

8.8%

U.S. 10%

Government workers

17.3%

U.S. 14.5%

Nonprofit workers

4.7%

U.S. 8.8%

Median earnings by type of work

Type of work	98010	U.S.
Management, business, science and arts	$102,538	$74,888
Service	$60,208	$26,804
Sales and office	$54,485	$40,476
Construction and maintenance	$116,250	$49,199
Production and transportation	$63,866	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

14%

Some college

20%

Associate's

10%

Bachelor's

36%

Graduate

17%

High school graduate or higher: 96.6%
Bachelor's degree or higher: 52.7%
Graduate or professional degree: 17.2%
Households with broadband: 96.4%
Cable, fiber or DSL: 90.3%
No internet access: 0.9%
Without health insurance: 2.2%
Limited-English households: 4.8%

Geography

City (USPS): Black Diamond
State: Washington
County: King County
Center point: 47.3156° N, 121.9989° W
Land area: 15 sq mi
Water area: 1 sq mi
Time zone: Pacific Time (UTC-8, UTC-7 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Black Diamond43% of zip

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

Zip codes near 98010

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
98093	Federal Way, WA · PO box	5.4 mi	—	—	—
98051	Ravensdale, WA	5.9 mi	3,442	$136,439	$790,500
98092	Auburn, WA	6.2 mi	50,224	$122,300	$635,900
98042	Kent, WA	6.5 mi	50,216	$127,552	$658,500
98038	Maple Valley, WA	7.4 mi	37,324	$152,261	$776,900
98025	Hobart, WA	8.5 mi	52	—	—
98030	Kent, WA	10 mi	38,523	$91,761	$582,400
98002	Auburn, WA	10 mi	37,509	$78,684	$421,300
98058	Renton, WA	11 mi	42,980	$115,201	$676,000
98089	Kent, WA · PO box	11 mi	—	—	—
98071	Auburn, WA · PO box	11 mi	—	—	—
98031	Kent, WA	11 mi	40,094	$105,965	$611,600

Zip codes like 98010 elsewhere

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

Questions about 98010

What city is zip code 98010?

98010 is assigned to Black Diamond, Washington. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 98010 in?

98010 is in King County, Washington.

What is the population of 98010?

About 6,857 people live in 98010, according to the Census Bureau's American Community Survey.

What time zone is 98010 in?

98010 is in Pacific Time.

What is the median household income in 98010?

The median household income in 98010 is $142,048.

What zip codes are near 98010?

The closest zip codes to 98010 are 98093, 98051, 98092, 98042, 98038.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 98010, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.