Which ZIP code in Cowlitz County has the highest share of owner-occupied homes?

98645 (Silverlake), at 95.7% (±3.5%), among 7 ZIP codes with at least 1,000 residents.

Why are some ZIP codes missing?

ZIP codes with fewer than 1,000 residents are left out because their survey estimates swing too much to rank, and so are ZIP codes where the Census Bureau did not publish this figure.

ZIP codes with the highest homeownership in Cowlitz County, WA

These are the 7 ZIP codes in Cowlitz County with the highest share of owner-occupied homes, out of 7 with at least 1,000 residents. 98645 (Silverlake, 95.7%), 98611 (Castle Rock, 83.8%) and 98625 (Kalama, 80.4%) lead the list. There is no single "best" ZIP code in Cowlitz County; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

ZIP codes with the highest homeownership in Cowlitz County

Rank	ZIP	Mailing city	Owner-occupied homes	Residents	Households	Residential mailboxes
1	98645	Silverlake	95.7% ±3.5%	2,216	876	689
2	98611	Castle Rock	83.8% ±4.3%	9,302	3,539	3,918
3	98625	Kalama	80.4% ±8.6%	7,655	2,915	2,411
4	98674	Woodland	73.2% ±6.3%	17,525	5,844	4,849
5	98603	Ariel	72.9% ±22.9%	1,267	395	418
6	98626	Kelso	68.5% ±3.7%	26,892	10,342	10,566
7	98632	Longview	60.8% ±2.3%	50,635	20,613	21,820

How we ranked them

Ranked by the share of occupied homes that are owner-occupied (ACS 5-year estimates, 2020–2024). ZIP codes need at least 1,000 residents to be ranked; 7 of 10 qualify.

Which of these to mail, and why

Homeowners make the decisions about roofs, HVAC, lawns, solar and insurance. A high owner share means fewer pieces wasted on renters who can't hire the work.

The top five ZIP codes on this list hold 13,569 households, on 22 carrier routes with 12,285 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 98645 on the EDDM route map

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Frequently asked questions

Which ZIP code in Cowlitz County has the highest share of owner-occupied homes?: 98645 (Silverlake), at 95.7% (±3.5%), among 7 ZIP codes with at least 1,000 residents.
How is this ranking calculated?: Ranked by the share of occupied homes that are owner-occupied (ACS 5-year estimates, 2020–2024).
Why are some ZIP codes missing?: ZIP codes with fewer than 1,000 residents are left out because their survey estimates swing too much to rank, and so are ZIP codes where the Census Bureau did not publish this figure.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.