Zip code 98611: Castle Rock, Washington

Q: What city is zip code 98611?

98611 is assigned to Castle Rock, Washington. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 98611 in?

98611 is in Cowlitz County, Washington.

Q: What is the population of 98611?

About 9,302 people live in 98611, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 98611?

The median household income in 98611 is $86,322.

Q: What zip codes are near 98611?

The closest zip codes to 98611 are 98645, 98593, 98581, 98632, 98626.

Residential delivery areaCowlitz CountyPacific Time

Population

9,302

Median household income

$86K

U.S. $81K

Median home value

$426K

U.S. $333K

Median rent

$1,250/mo

U.S. $1,413

Median age

43.7

U.S. 38.9

Land area

136 sq mi

68 people/sq mi

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

About 98611

98611 is a small-town zip code in Castle Rock, Washington (Cowlitz County), covering 136 sq mi of land. About 9,302 people live here, or 68 per square mile. The median resident is 43.7 years old, compared with 38.9 nationally.

The median household earns $86,322 a year, close to the national median of $80,734. 8.5% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $425,700, or 4.9 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 84% of occupied homes are lived in by their owners, and renters pay a median of $1,250 a month.

15% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 29.2 minutes each way, and 7% of workers work from home. The most common jobs among working residents are in healthcare; construction and repair; and transportation and moving goods.

How 98611 compares

Sorted from highest to lowest national percentile

Healthcare workers15.4%
96th
U.S. 9.7% · WA 9.3%43rd of 570 in WA
Veterans12.1%
95th
U.S. 6.2% · WA 7.8%121st of 571 in WA
Residents 65 and older23.4%
88th
U.S. 17.2% · WA 16.6%185th of 571 in WA
Homeownership rate83.8%
87th
StrengthU.S. 65.2% · WA 63.8%155th of 563 in WA
Government workers19.5%
83rd
U.S. 14.5% · WA 16%221st of 570 in WA
Median age43.7
80th
U.S. 38.9 · WA 38.3211th of 571 in WA
Average commute29.2 min
70th
U.S. 26.4 min · WA 26.6 min191st of 546 in WA
Median home value$425,700
66th
U.S. $332,700 · WA $564,600306th of 536 in WA
Self-employed workers10.4%
63rd
U.S. 10% · WA 9.6%249th of 570 in WA
Residents under 1823.4%
62nd
U.S. 22% · WA 21.4%181st of 571 in WA
Median earnings per worker$52,542
62nd
U.S. $49,666 · WA $59,959289th of 566 in WA
Median household income$86,322
58th
U.S. $80,734 · WA $98,141265th of 541 in WA
Unemployment rate4.7%
47th
U.S. 5.2% · WA 5.1%272nd of 570 in WA
Per capita income$37,729
43rd
U.S. $44,673 · WA $53,744369th of 570 in WA
Broadband access91.1%
42nd
U.S. 91% · WA 93.6%343rd of 563 in WA
Median gross rent$1,250
40th
U.S. $1,413 · WA $1,760280th of 475 in WA
Poverty rate8.5%
35th
U.S. 12.5% · WA 9.9%331st of 563 in WA
Uninsured rate5.1%
34th
U.S. 8.4% · WA 6.3%320th of 567 in WA
Housing vacancy4.9%
32nd
U.S. 10.1% · WA 7.3%388th of 563 in WA
Tech workers1.7%
27th
U.S. 3.8% · WA 6.7%341st of 570 in WA
Income inequality (Gini)0.396
18th
StrengthU.S. 0.483 · WA 0.469375th of 560 in WA
Diversity index23.2
16th
U.S. 61.4 · WA 56.5468th of 571 in WA
Population9,302
15th
U.S. 334,922,499 · WA 7,816,116240th of 571 in WA
Work from home6.8%
15th
U.S. 15.1% · WA 19.8%473rd of 570 in WA
Population density68/sq mi
10th
U.S. 95/sq mi · WA 118/sq mi340th of 571 in WA
Bachelor's degree or higher14.9%
9th
WeaknessU.S. 35.7% · WA 39.6%489th of 571 in WA
Foreign-born residents1.3%
8th
U.S. 14.1% · WA 15.4%496th of 571 in WA
Rent-burdened renters24.1%
3rd
StrengthU.S. 51.1% · WA 49.9%467th of 541 in WA

Measure	98611	Cowlitz	WA	U.S.	National percentile	Rank in WA
Healthcare workers	15.4%	10.2%	9.3%	9.7%	96th	43rd of 570
Veterans	12.1%	10.3%	7.8%	6.2%	95th	121st of 571
Residents 65 and older	23.4%	19.8%	16.6%	17.2%	88th	185th of 571
Homeownership rateStrength	83.8%	68%	63.8%	65.2%	87th	155th of 563
Government workers	19.5%	15%	16%	14.5%	83rd	221st of 570
Median age	43.7	41.5	38.3	38.9	80th	211th of 571
Average commute	29.2 min	26.1 min	26.6 min	26.4 min	70th	191st of 546
Median home value	$425,700	$397,500	$564,600	$332,700	66th	306th of 536
Self-employed workers	10.4%	9.9%	9.6%	10%	63rd	249th of 570
Residents under 18	23.4%	22.5%	21.4%	22%	62nd	181st of 571
Median earnings per worker	$52,542	$49,992	$59,959	$49,666	62nd	289th of 566
Median household income	$86,322	$76,531	$98,141	$80,734	58th	265th of 541
Unemployment rate	4.7%	5.9%	5.1%	5.2%	47th	272nd of 570
Per capita income	$37,729	$38,105	$53,744	$44,673	43rd	369th of 570
Broadband access	91.1%	91%	93.6%	91%	42nd	343rd of 563
Median gross rent	$1,250	$1,206	$1,760	$1,413	40th	280th of 475
Poverty rate	8.5%	12.2%	9.9%	12.5%	35th	331st of 563
Uninsured rate	5.1%	6.2%	6.3%	8.4%	34th	320th of 567
Housing vacancy	4.9%	5.3%	7.3%	10.1%	32nd	388th of 563
Tech workers	1.7%	1.7%	6.7%	3.8%	27th	341st of 570
Income inequality (Gini)Strength	0.396	0.425	0.469	0.483	18th	375th of 560
Diversity index	23.2	35.1	56.5	61.4	16th	468th of 571
Population	9,302	112,360	7,816,116	334,922,499	15th	240th of 571
Work from home	6.8%	8.2%	19.8%	15.1%	15th	473rd of 570
Population density	68/sq mi	99/sq mi	118/sq mi	95/sq mi	10th	340th of 571
Bachelor's degree or higherWeakness	14.9%	17.6%	39.6%	35.7%	9th	489th of 571
Foreign-born residents	1.3%	4.3%	15.4%	14.1%	8th	496th of 571
Rent-burdened rentersStrength	24.1%	49.3%	49.9%	51.1%	3rd	467th 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

17%

5–17

18–24

15%

25–34

35–44

11%

45–54

15%

55–64

16%

65–74

75+

Median age

43.7

Under 18

23.4%

65 and over

23.4%

Race and ethnicity

White87%
Black0.2%
Hispanic2%
Asian0.9%
Native American1%
Pacific Islander0.7%
Other0.3%
Multiracial8%

Diversity index

23.2

U.S. 61.4

Foreign-born

1.3%

U.S. 14.1%

Born in state

56.8%

Language spoken at home (households)

English only

96%

Spanish

Other Indo-European

Asian / Pacific

Other

Households

Households: 3,539
Average household size: 2.6
Family households: 63.9%
Married couples: 53.2%
Living alone: 27.9%
Veterans (of adults): 12.1%
Male / female: 47% / 53%

Income and poverty

Household income distribution

<$25k

14%

$25–50k

14%

$50–75k

16%

$75–100k

14%

$100–150k

25%

$150–200k

$200k+

Median household income

98611

$86,322

Cowlitz Co.

$76,531

Washington

$98,141

United States

$80,734

Per capita income

$37,729

U.S. $44,673

Poverty rate

8.5%

U.S. 12.5%

Households earning $150K+

16.4%

U.S. 23%

Income inequality (Gini)

0.396

U.S. 0.483

Housing

Median home value

98611

$425,700

Cowlitz Co.

$397,500

Washington

$564,600

United States

$332,700

Median gross rent

98611

$1,250

Cowlitz Co.

$1,206

Washington

$1,760

United States

$1,413

Types of housing

Single-family

79%

2–4 units

5–19 units

20+ units

Mobile home

14%

Boat, RV, van

0.3%

Housing units: 3,723
Owner-occupied: 83.8%
Vacant: 4.9%
Median year built: 1982
Median rooms: 5.9
Renters paying 30%+ of income: 24.1%
Renters paying 50%+ of income: 12.9%
Home value to income: 4.9× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

84%

Carpooled

Transit

0.3%

Walked

0.1%

Bicycle

Worked from home

Other

Commute time (one way)

<10 min

11%

10–19

20%

20–29

27%

30–44

27%

45–59

60+

11%

Average commute

29.2 min

U.S. 26.4 min

Unemployment

4.7%

U.S. 5.2%

In labor force

50.8%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Healthcare

15%

Construction and repair

13%

Transportation and moving

13%

Office and admin

10%

Management

10%

Production

Cleaning and personal care

Education

Sales

Engineering and science

Business and finance

Police and fire

Food service

Computer and math

Arts, media and sports

Legal and social services

0.5%

Farming, fishing and forestry

0.4%

Industries

Health care and social assistance

16%

Manufacturing

14%

Education

11%

Retail

10%

Transportation, warehousing and utilities

Construction

Public administration

Other services

Admin, support and management

Restaurants and hotels

Finance, insurance and real estate

Professional and technical services

Arts and recreation

Wholesale

Agriculture and mining

Information

0.2%

Median earnings per worker

$52,542

U.S. $49,666

Self-employed

10.4%

U.S. 10%

Government workers

19.5%

U.S. 14.5%

Nonprofit workers

10.7%

U.S. 8.8%

Median earnings by type of work

Type of work	98611	U.S.
Management, business, science and arts	$61,618	$74,888
Service	$29,556	$26,804
Sales and office	$38,462	$40,476
Construction and maintenance	$83,428	$49,199
Production and transportation	$47,464	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

37%

Some college

26%

Associate's

15%

Bachelor's

Graduate

High school graduate or higher: 93.1%
Bachelor's degree or higher: 14.9%
Graduate or professional degree: 6.8%
Households with broadband: 91.1%
Cable, fiber or DSL: 61.4%
No internet access: 5.2%
Without health insurance: 5.1%
Limited-English households: 1%

Geography

City (USPS): Castle Rock
State: Washington
County: Cowlitz County
Center point: 46.3051° N, 122.9007° W
Land area: 136 sq mi
Water area: 1.5 sq mi
Time zone: Pacific Time (UTC-8, UTC-7 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Castle Rock2% of zip

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

Zip codes near 98611

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
98645	Silverlake, WA	7 mi	2,216	$101,429	$509,500
98593	Vader, WA	8.5 mi	1,541	$84,244	$343,800
98581	Ryderwood, WA	8.8 mi	419	$43,009	$232,500
98632	Longview, WA	10 mi	50,635	$66,305	$379,200
98626	Kelso, WA	11 mi	26,892	$75,528	$368,900
98591	Toledo, WA	12 mi	3,965	$78,952	$471,100
98596	Winlock, WA	13 mi	6,950	$80,188	$415,600
98609	Carrolls, WA	16 mi	0	—	—
98538	Curtis, WA	17 mi	460	$105,000	$482,100
98649	Toutle, WA	18 mi	929	$73,750	$393,800
98542	Ethel, WA	18 mi	625	$52,963	$372,300
98612	Cathlamet, WA	19 mi	3,366	$59,583	$429,600

Zip codes like 98611 elsewhere

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

Questions about 98611

What city is zip code 98611?

98611 is assigned to Castle Rock, Washington. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 98611 in?

98611 is in Cowlitz County, Washington.

What is the population of 98611?

About 9,302 people live in 98611, according to the Census Bureau's American Community Survey.

What time zone is 98611 in?

98611 is in Pacific Time.

What is the median household income in 98611?

The median household income in 98611 is $86,322.

What zip codes are near 98611?

The closest zip codes to 98611 are 98645, 98593, 98581, 98632, 98626.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 98611, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.