Kelso, Washington
Quick Statistics
Kelso is a community in Cowlitz County, Washington, home to about 12,684 people spread across 8.1 square miles of land. The median personal income here is $36,937 a year, and a typical home is worth about $337,600. About 26.0% of adults hold a college degree, and 91.9% of residents under 65 have health insurance. The population has grown about 6 percent over the past decade.
See how Kelso has changed over the past 15 years »
Among the Washington towns GeoStat tracks, Kelso ranks number 110 of 628 in population, number 429 in median household income, number 413 in median home value. See how it stacks up on the trends page or compare it with another town.
Summers around Kelso typically top out near 79°F in July, while January nights average about 35°F. The area sees roughly 2 inches of snow a year. Full normals are on the climate page.
| # | Town | Distance | Population |
|---|---|---|---|
| 1. | Rainier, OR | 4.1 mi. | 2,130 |
| 2. | Longview, WA | 4.2 mi. | 38,069 |
| 3. | Prescott, OR | 4.8 mi. | 34 |
| 4. | West Side Highway, WA | 4.9 mi. | 5,517 |
| 5. | Longview Heights, WA | 5.4 mi. | 4,357 |
| 6. | Kalama, WA | 7.2 mi. | 3,050 |
| 7. | Castle Rock, WA | 10.7 mi. | 2,217 |
| 8. | Deer Island, OR | 12.8 mi. | 199 |
What is the population of Kelso, Washington?
Kelso has a population of about 12,684 people, according to the latest Census Bureau estimates.
What county is Kelso, Washington in?
Kelso is located in Cowlitz County, Washington.
What is the median home value in Kelso, Washington?
The median home value in Kelso is about $337,600, based on American Community Survey data.
What is the median income in Kelso, Washington?
The median personal income in Kelso is about $36,937 per year.
How many tornadoes have hit near Kelso, Washington?
Since 1950, 3 tornadoes have been recorded in Cowlitz County. See the tornado page for maps and details of each one.
What is the weather like in Kelso, Washington?
Typical July highs run about 79 degrees and January lows about 35 degrees, with around 2 inches of snow a year. Figures are 30-year NOAA climate normals.
Use the menu on the left to find more detailed statistics on Kelso, Washington.