County

Cowlitz County, WA

11 ZIP codes  ·  11 cities  ·  Washington

👥115,776Population
💰$75,797Median HH Income≈ Avg
🎂40.7Median Age
🏠$378,460Median Home Value▲ 36% above avg
🎓31.2%College Grads▼ 19% below avg
📊5.0%Unemployment≈ Avg
People & Population (ACS 2023 — weighted avg)
♂ Male 50.1% Female 49.9% ♀

Race & Ethnicity

White: 81.1%Hispanic: 9.9%Black: 0.8%Asian: 1.2%Other: 5.8%Race
White81.1%
Hispanic9.9%
Black0.8%
Asian1.2%
Other5.8%

Age Breakdown

Under 5
6%
5–17
17%
18–24
7%
25–44
25%
45–64
25%
65+
9%

Key Indicators

Median Age40.7 yrs
Avg HH Size2.58
Below Poverty12.6% ▲ 26% above avg
College Grads31.2% ▼ 19% below avg
Unemployment5.0% ≈ Avg
No HS Diploma1,241 (1.7%)
HS Graduate21,881 (29.2%)
Some College14,220 (19%)
Associates14,098 (18.8%)
Bachelors10,126 (13.5%)
Graduate Degree13,286 (17.7%)

Education

No HS: 1.7%HS Grad: 29.2%Some College: 19%Associates: 18.8%Bachelors: 13.5%Graduate: 17.7%Edu
No HS1.7%
HS Grad29.2%
Some College19.0%
Associates18.8%
Bachelors13.5%
Graduate17.7%
Housing & Income

Housing Tenure

Owner: 66.9%Renter: 33.1%Tenure
Owner66.9%
Renter33.1%

Home Value Distribution

Under $50k
5%
$50k–$100k
2%
$100k–$150k
3%
$150k–$200k
4%
$200k–$300k
19%
$300k–$500k
44%
Over $500k
23%

Financials

Median HH Income$75,797 ≈ Avg
Median Home Value$378,459 ▲ 36% above avg
Home/Income Ratio5.0x (nat avg ~3.5x)
Median Rent$1,173/mo
Total Housing Units47,542
Vacant Units2,845

Income Distribution

Under $25k
16%
$25k–$50k
16%
$50k–$75k
18%
$75k–$100k
14%
$100k–$150k
19%
$150k–$200k
9%
Over $200k
8%
Employment & Commute

How People Get to Work

Drove Alone
90%
Public Transit
1%
Walked
1%
Work From Home
8%

Commute Time

Under 15 min
31%
15–30 min
34%
30–45 min
17%
Over 45 min
18%
Housing Stock

Year Built

Before 1940
4%
1940s–1950s
9%
1960s–1970s
13%
1980s–1990s
16%
2000+
58%
About Cowlitz County, WA

Cowlitz County is located in Washington and encompasses 11 ZIP codes spanning 11 cities and communities. The county has an estimated population of 115,776 residents. With a median age of 40.7, it is a middle-aged county.

Cowlitz County has a middle-income economic profile. The median household income of $75,797 is near the national average. Unemployment stands at 5.0%, near the national average. The poverty rate of 12.6% is above the national average.

Housing in Cowlitz County is a mid-range housing market, with a median home value of $378,459 — above the national average. Monthly median rent is approximately $1,172. Homeownership rates are high at 66.9%, reflecting a largely residential, stable population.

The residents of Cowlitz County are primarily White (81.08%). Educational attainment is moderately educated — 31.2% of adults hold a bachelor's degree or higher, below the national average.

Cowlitz County, WA is a middle-income area in Washington. The 11 ZIP codes within the county each have their own character — browse the full list below to find the right community, whether you're looking for affordable housing, strong schools, or economic opportunity.

ZIP Codes in Cowlitz County
ZIPCityPopulationMedian IncomeMedian HomeMedian RentUnemp.College
98603 Ariel 1,192 $77,188 $368,800 $585 0.0% 29.9%
98611 Castle Rock 9,367 $81,630 $382,000 $1,348 3.8% 27.7%
98616 Cougar 81 $31,492 0.0% 17.3%
98625 Kalama 7,020 $118,536 $442,000 3.1% 44.5%
98626 Kelso 26,948 $70,058 $339,800 $1,169 7.1% 27.8%
98632 Longview 50,845 $64,705 $355,200 $1,142 5.4% 30.9%
98581 Ryderwood 383 $37,039 $200,000 0.0% 48.1%
98645 Silverlake 2,195 $102,664 $467,000 $782 7.9% 46.2%
98649 Toutle 980 $57,167 $286,600 $885 2.8% 14.4%
98674 Woodland 16,765 $96,081 $481,100 $1,283 2.2% 32.9%