City in Whatcom County, Washington · 1.5 sq mi · 1,151 people per sq mi
About 1,700 people live in Sumas. The typical household earns $89,375, and the median resident is 31.7 years old.
2026 projection
From 1,611 in 2020
Poverty rate 9.74%
Men 29.4 · Women 34.7
2010–2026
1,689
2026 projection
4.8% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
2010–2026
1,689
2026 projection
4.8% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 1,689 | +17 | 1.02% |
|---|---|---|---|
| 2025 | 1,672 | -9 | 0.54% |
| 2024 | 1,681 | +15 | 0.90% |
| 2023 | 1,666 | +20 | 1.22% |
| 2022 | 1,646 | +18 | 1.11% |
| 2021 | 1,628 | +17 | 1.06% |
| 2020 | 1,611 | +75 | 4.88% |
| 2019 | 1,536 | +30 | 1.99% |
| 2018 | 1,506 | +36 | 2.45% |
| 2017 | 1,470 | +69 | 4.93% |
Showing 10 of 17 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 15 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 10 residents
62% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 62% | 62% | 63% |
| Never married | 20% | 25% | 14% |
| Divorced | 11% | 11% | 11% |
| Widowed | 7% | 2% | 12% |
| Separated | <1% | <1% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau