CDP in Middlesex County, Massachusetts · 1.3 sq mi · 2,296 people per sq mi
About 3,000 people live in Ayer. The typical household earns $74,878, and the median resident is 42.1 years old.
2026 projection
From 2,551 in 2020
Poverty rate 6.88%
Men 42.2 · Women 42.1
2011–2026
3,045
2026 projection
19.4% 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.
2011–2026
3,045
2026 projection
19.4% 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 | 3,045 | +11 | 0.36% |
|---|---|---|---|
| 2025 | 3,034 | +22 | 0.36% |
| 2023 | 3,012 | +43 | 1.45% |
| 2022 | 2,969 | -109 | 3.54% |
| 2021 | 3,078 | +527 | 20.66% |
| 2020 | 2,551 | -359 | 12.34% |
| 2019 | 2,910 | +306 | 11.75% |
| 2018 | 2,604 | -75 | 2.80% |
| 2017 | 2,679 | -200 | 6.95% |
| 2016 | 2,879 | -224 | 7.22% |
Showing 10 of 15 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 31 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 15 residents
40% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 40% | 46% | 36% |
| Never married | 35% | 32% | 37% |
| Divorced | 17% | 18% | 16% |
| Widowed | 4% | 2% | 6% |
| Separated | 4% | 2% | 6% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau