Demographics & People — Kelso, Washington
Population Overview
| Population (Census) | 12,697 |
| Estimated 2026 | ~12,700 |
| Median Age | 39.9 |
| Total Households | 5,289 |
| Family Households | 3,388 |
| Average Household Size | 2.39 |
| Diversity Index | 0.2352 (somewhat diverse) |
Race & Ethnicity
| White | 10,964 |
| Black or African American | 208 |
| Asian | 104 |
| Hispanic or Latino | 1,360 |
Heritage & Ancestry
| Group | Count |
| Other groups | 3,937 |
| Unclassified or not reported | 2,864 |
| German | 2,141 |
| Hispanic: Hispanic or Latino | 2,040 |
| Irish | 1,761 |
| Hispanic: Mexican | 1,733 |
| English | 1,391 |
| Norwegian | 541 |
| Italian | 458 |
| Scottish | 456 |
Language
| English Only | 11,233 |
| Spanish | 707 |
| Population 5+ | 12,038 |
Veterans
| Veterans | 1,155 |
| Population 18+ | 9,903 |
Commuting
| Mean Commute Time | 20.8 minutes |
| Work from Home | 5.6% |
| Commuter Profile | N/A |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Kelso, Washington.