---
type: Jurisdiction
title: "Cowlitz County, WA"
classification: county
fips: "53015"
state: "WA"
demographics:
  population: 112360
  population_under_18: 25231
  population_18_64: 64899
  population_65_plus: 22230
  median_household_income: 76531
  poverty_rate: 12.2
  homeownership_rate: 67.99
  unemployment_rate: 5.91
  median_home_value: 397500
  gini_index: 0.4251
  vacancy_rate: 5.34
  race_white: 93447
  race_black: 759
  race_asian: 1351
  race_native: 1452
  hispanic: 11775
  bachelors_plus: 18416
districts:
  - to: "us/states/wa/districts/03"
    rel: in-district
    area_weight: 0.9999
  - to: "us/states/wa/districts/senate/20"
    rel: in-district
    area_weight: 0.7785
  - to: "us/states/wa/districts/senate/19"
    rel: in-district
    area_weight: 0.2213
  - to: "us/states/wa/districts/house/20"
    rel: in-district
    area_weight: 0.7785
  - to: "us/states/wa/districts/house/19"
    rel: in-district
    area_weight: 0.2213
sources:
  - field: demographics
    source: "Census ACS 2023"
  - field: districts
    source: "PostGIS area-intersection over Census TIGER 2024 boundaries"
confidence: official
tags: [jurisdiction, county, wa]
timestamp: "2026-07-03"
---

# Cowlitz County, WA

County jurisdiction — 2 officeholders mapped.

## Demographics (ACS 2023)

| Measure | Value |
| --- | --- |
| Population | 112360 |
| Under 18 | 25231 |
| 18–64 | 64899 |
| 65+ | 22230 |
| Median household income | 76531 |
| Poverty rate | 12.2 |
| Homeownership rate | 67.99 |
| Unemployment rate | 5.91 |
| Median home value | 397500 |
| Gini index | 0.4251 |
| Vacancy rate | 5.34 |
| White | 93447 |
| Black | 759 |
| Asian | 1351 |
| Native | 1452 |
| Hispanic/Latino | 11775 |
| Bachelor's or higher | 18416 |

## Districts

- [WA-03](/us/states/wa/districts/03.md) — 100% (congressional)
- [WA Senate District 20](/us/states/wa/districts/senate/20.md) — 78% (state senate)
- [WA Senate District 19](/us/states/wa/districts/senate/19.md) — 22% (state senate)
- [WA House District 20](/us/states/wa/districts/house/20.md) — 78% (state house)
- [WA House District 19](/us/states/wa/districts/house/19.md) — 22% (state house)

## Source

- demographics: Census ACS 2023
- districts: PostGIS area-intersection over Census TIGER 2024 boundaries