Demographics & People — Kennewick, Washington
Population Overview
| Population (Census) | 84,389 |
| Estimated 2026 | ~87,400 |
| Median Age | 35.7 |
| Total Households | 31,015 |
| Family Households | 21,181 |
| Average Household Size | 2.68 |
| Diversity Index | 0.4804 (moderately diverse) |
Race & Ethnicity
| White | 56,671 |
| Black or African American | 1,917 |
| Asian | 1,636 |
| Hispanic or Latino | 26,828 |
Heritage & Ancestry
| Group | Count |
| Other groups | 31,041 |
| Hispanic: Hispanic or Latino | 24,569 |
| Hispanic: Mexican | 21,349 |
| Unclassified or not reported | 13,442 |
| German | 12,077 |
| English | 10,821 |
| Irish | 8,108 |
| American | 4,071 |
| Norwegian | 3,073 |
| Scottish | 2,020 |
Language
| English Only | 55,867 |
| Spanish | 19,064 |
| Population 5+ | 78,446 |
Veterans
| Veterans | 5,018 |
| Population 18+ | 62,156 |
Commuting
| Mean Commute Time | 21.3 minutes |
| Work from Home | 9.7% |
| 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 Kennewick, Washington.