Demographics & People — Cottage Lake, Washington
Population Overview
| Population (Census) | 23,170 |
| Estimated 2026 | ~21,100 |
| Median Age | 44.2 |
| Total Households | 7,876 |
| Family Households | 6,745 |
| Average Household Size | 2.93 |
| Diversity Index | 0.2779 (somewhat diverse) |
Race & Ethnicity
| White | 18,318 |
| Black or African American | 53 |
| Asian | 2,058 |
| Hispanic or Latino | 1,318 |
Heritage & Ancestry
| Group | Count |
| Other groups | 5,181 |
| German | 4,665 |
| English | 4,149 |
| Unclassified or not reported | 3,518 |
| Irish | 2,518 |
| Norwegian | 1,363 |
| American | 1,276 |
| Hispanic: Hispanic or Latino | 1,250 |
| European | 1,243 |
| Italian | 1,052 |
Language
| English Only | 18,207 |
| Spanish | 792 |
| Population 5+ | 21,740 |
Veterans
| Veterans | 705 |
| Population 18+ | 17,769 |
Commuting
| Mean Commute Time | 25.9 minutes |
| Work from Home | 33.8% |
| 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 Cottage Lake, Washington.