City in Snohomish County, Washington · 6.4 sq mi · 3,135 people per sq mi
About 20,000 people live in Monroe. The typical household earns $110,461, and the median resident is 35.7 years old.
2026 projection
From 20,025 in 2020
Poverty rate 7.32%
Men 35.5 · Women 36.3
1910–2026
19,987
2026 projection
0.2% since 2020 (decrease)
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.
1910–2026
19,987
2026 projection
0.2% since 2020 (decrease)
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 | 19,987 | -38 | 0.19% |
|---|---|---|---|
| 2025 | 20,025 | +151 | 0.76% |
| 2024 | 19,874 | +332 | 1.70% |
| 2023 | 19,542 | +160 | 0.83% |
| 2022 | 19,382 | -409 | 2.07% |
| 2021 | 19,791 | -234 | 1.17% |
| 2020 | 20,025 | +231 | 1.17% |
| 2019 | 19,794 | +439 | 2.27% |
| 2018 | 19,355 | +524 | 2.78% |
| 2017 | 18,831 | +424 | 2.30% |
Showing 10 of 27 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 198 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 14 residents
50% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 50% | 47% | 53% |
| Never married | 34% | 41% | 25% |
| Divorced | 12% | 9% | 15% |
| Widowed | 4% | 2% | 7% |
| Separated | 1% | 2% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau