Compare towns
Ayer vs Killingly vs Derby
Cost, people, housing, commute and schools, side by side, each benchmarked against the U.S..
What stands out worked out from the figures below
Ayer has the most expensive homes ($464k median).
Killingly has the most homeowners (71.6%).
Derby has the oldest population (median age 46.4).
What matters to you?
Pick a few. We’ll pull those rows to the top and mark which town comes out ahead on each. There’s no overall score: what matters is up to you.
| Measure | Ayer | Killingly | Derby |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 8,645Lowest |
17,867Highest |
12,487 |
| Growth since 20102010 → 2020 census | +14.2%Highest U.S.: +7.4% |
— | -4.5%Lowest U.S.: +7.4% |
| Median age | 39.2±2.8Lowest about the U.S. average |
39.5±3 about the U.S. average |
46.4±3.1Highest 19% above U.S. |
| Kids under 18 | 20.3%±3.9Highest U.S.: 22% |
19.8%±2.3 U.S.: 22% |
14.6%±2.9Lowest U.S.: 22% |
| Ayer and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Age 65+ | 14.5%±2.8Lowest U.S.: 17.2% |
19.7%±2.4 U.S.: 17.2% |
21.1%±3.9Highest U.S.: 17.2% |
| Derby and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Bachelor’s degree+adults 25+ | 42.3%Highest U.S.: 35.7% |
22.9%Lowest U.S.: 35.7% |
35.6% U.S.: 35.7% |
| Enrolled in collegeshare of residents | 4.5%±1.5Lowest U.S.: 6.4% |
5.4%±1.9 U.S.: 6.4% |
5.9%±2Highest U.S.: 6.4% |
| Derby and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Cost of living | |||
| Household incomemedian | $101,875±$15kHighest 26% above U.S. |
$84,350±$8k 4% above U.S. |
$79,500±$11kLowest about the U.S. average |
| Ayer and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Home valuemedian, owner-occupied | $463,800±$29kHighest 39% above U.S. |
$288,600±$15k 13% below U.S. |
$256,700±$21kLowest 23% below U.S. |
| Rentmedian gross, monthly | $1,415±$180 about the U.S. average |
$1,044±$141Lowest 26% below U.S. |
$1,452±$95Highest about the U.S. average |
| Derby and Ayer are within the Census margin of error here, so we can’t say which is really higher. | |||
| Property taxmedian, yearly | $5,057 62% above U.S. |
$3,922Lowest 26% above U.S. |
$5,510Highest 77% above U.S. |
| Renters paying 30%+of income on rent | 45.1%±14.2 U.S.: 51.1% |
42.8%±10.9Lowest U.S.: 51.1% |
53.9%±12.6Highest U.S.: 51.1% |
| Derby and Ayer are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 10.7%Lowest U.S.: 12.5% |
11.4%Highest U.S.: 12.5% |
10.8% U.S.: 12.5% |
| Housing | |||
| Homeownersof occupied homes | 69.2% U.S.: 65.2% |
71.6%Highest U.S.: 65.2% |
61.9%Lowest U.S.: 65.2% |
| Typical home builtmedian year | 1977Highest 3 yrs older than U.S. |
1968 12 yrs older than U.S. |
1967Lowest 13 yrs older than U.S. |
| Getting to work | |||
| Average commuteone way | 33 minHighest 25% above U.S. |
28 min 6% above U.S. |
27 minLowest about the U.S. average |
| Work from home | 21.6%±5.9Highest U.S.: 15.1% |
11.1%±2.3Lowest U.S.: 15.1% |
15.1%±4.8 U.S.: 15.1% |
| Ayer and Derby are within the Census margin of error here, so we can’t say which is really higher. | |||
| Schools | |||
| Public school scoresrank in state, math + reading | #113 of 282 in MA | #136 of 149 in CT | #138 of 149 in CT |
| School district | Ayer Shirley School District | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Derby School District |
| High school in town | Ayer Shirley Regional High School | Killingly High School | Derby High School |
| Students per teacherat that high school | 11.5Highest |
11.1 |
9.7Lowest |
| On TownTapestry | |||
| Old photos in History | 12 photos → | None yet | None yet |
U.S. average · Sources: U.S. Census Bureau, American Community Survey 5-year estimates 2020–2024; 2010 & 2020 decennial census; NCES Common Core of Data. “±” is the Census margin of error. Property tax is top-coded by the Census at $10,000+. School rank compares math and reading proficiency against the state average.


