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Cowlitz County, Washington ZIP code demographics

12 ZIP Code Tabulation Areas in Cowlitz County, Washington. The population-weighted median household income is about $78,160, the median home value about $419,345, and 68.8% of occupied homes are owner-occupied.

12
ZIP codes
119.6K
Population
53
Data points

Cowlitz County at a glance

$78,160
Median household income
$419,345
Median home value
41.1
Median age
68.8%
Owner-occupied
49,167
Housing units

Income, home value, and age are population-weighted averages of the ZIP-level medians in the file. Counts are exact.

Top 5 Cowlitz County ZIP codes by median household income
#ZIPCityPopulationHomeowner %Median HH $
198625Kalama7,65580.4%$116,435
298601Amboy2,58586.1%$106,776
3986452,21695.7%$101,429
498674Woodland17,52573.2%$94,245
598611Castle Rock9,30283.8%$86,322
Top 5 Cowlitz County ZIP codes by population
#ZIPCityPopulationHomeowner %Median HH $
198632Beacon Hill50,63560.8%$66,305
298626Beacon Hill26,89268.5%$75,528
398674Woodland17,52573.2%$94,245
498611Castle Rock9,30283.8%$86,322
598625Kalama7,65580.4%$116,435
Top 5 Cowlitz County ZIP codes by Homeowner GDP
#ZIPCityPopulationHomeowner %Median HH $Homeowner GDP
198632Beacon Hill50,63560.8%$66,305$831.2M
298626Beacon Hill26,89268.5%$75,528$535.4M
398674Woodland17,52573.2%$94,245$403.4M
498625Kalama7,65580.4%$116,435$272.8M
598611Castle Rock9,30283.8%$86,322$256.1M

Homeowner GDP = owner-occupied units × median household income — a proxy for aggregate homeowner spending power in a ZIP, useful for scoring market opportunity. Not an official economic statistic.

Densest: 98632 (Beacon Hill) at 417 people/sq mi. Least dense: 98616 (Cougar) at 2 people/sq mi.

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