Compare towns
Ansonia vs Ayer vs Derby vs Killingly
Cost, people, housing, commute and schools, side by side, each benchmarked against the U.S..
What stands out worked out from the figures below
Ansonia has the most renters (41.9% rent).
Ayer has the most expensive homes ($464k median).
Derby has the oldest population (median age 46.4).
Killingly has the most homeowners (71.6%).
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 | Ansonia | Ayer | Derby | Killingly |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 19,033Highest |
8,645Lowest |
12,487 |
17,867 |
| Growth since 20102010 → 2020 census | -1.7% U.S.: +7.4% |
+14.2%Highest U.S.: +7.4% |
-4.5%Lowest U.S.: +7.4% |
— |
| Median age | 40.1±1.6 3% above U.S. |
39.2±2.8Lowest about the U.S. average |
46.4±3.1Highest 19% above U.S. |
39.5±3 about the U.S. average |
| Kids under 18 | 18.3%±2.8 U.S.: 22% |
20.3%±3.9Highest U.S.: 22% |
14.6%±2.9Lowest U.S.: 22% |
19.8%±2.3 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+ | 18.1%±2.7 U.S.: 17.2% |
14.5%±2.8Lowest U.S.: 17.2% |
21.1%±3.9Highest U.S.: 17.2% |
19.7%±2.4 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+ | 21.9%Lowest U.S.: 35.7% |
42.3%Highest U.S.: 35.7% |
35.6% U.S.: 35.7% |
22.9% U.S.: 35.7% |
| Enrolled in collegeshare of residents | 6.2%±1.8Highest U.S.: 6.4% |
4.5%±1.5Lowest U.S.: 6.4% |
5.9%±2 U.S.: 6.4% |
5.4%±1.9 U.S.: 6.4% |
| Ansonia and Derby are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Cost of living | ||||
| Household incomemedian | $85,877±$10k 6% above U.S. |
$101,875±$15kHighest 26% above U.S. |
$79,500±$11kLowest about the U.S. average |
$84,350±$8k 4% above U.S. |
| Ayer and Ansonia are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Home valuemedian, owner-occupied | $287,200±$14k 14% below U.S. |
$463,800±$29kHighest 39% above U.S. |
$256,700±$21kLowest 23% below U.S. |
$288,600±$15k 13% below U.S. |
| Rentmedian gross, monthly | $1,476±$121Highest 4% above U.S. |
$1,415±$180 about the U.S. average |
$1,452±$95 about the U.S. average |
$1,044±$141Lowest 26% below U.S. |
| Ansonia and Derby are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Property taxmedian, yearly | $5,446 75% above U.S. |
$5,057 62% above U.S. |
$5,510Highest 77% above U.S. |
$3,922Lowest 26% above U.S. |
| Renters paying 30%+of income on rent | 39.7%±10Lowest U.S.: 51.1% |
45.1%±14.2 U.S.: 51.1% |
53.9%±12.6Highest U.S.: 51.1% |
42.8%±10.9 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 | 9.4%Lowest U.S.: 12.5% |
10.7% U.S.: 12.5% |
10.8% U.S.: 12.5% |
11.4%Highest U.S.: 12.5% |
| Housing | ||||
| Homeownersof occupied homes | 58.1%Lowest U.S.: 65.2% |
69.2% U.S.: 65.2% |
61.9% U.S.: 65.2% |
71.6%Highest U.S.: 65.2% |
| Typical home builtmedian year | 1954Lowest 26 yrs older than U.S. |
1977Highest 3 yrs older than U.S. |
1967 13 yrs older than U.S. |
1968 12 yrs older than U.S. |
| Getting to work | ||||
| Average commuteone way | 27 minLowest about the U.S. average |
33 minHighest 25% above U.S. |
27 min about the U.S. average |
28 min 6% above U.S. |
| Work from home | 9.1%±2.9Lowest U.S.: 15.1% |
21.6%±5.9Highest U.S.: 15.1% |
15.1%±4.8 U.S.: 15.1% |
11.1%±2.3 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 | #142 of 149 in CT | #113 of 282 in MA | #138 of 149 in CT | #136 of 149 in CT |
| School district | Connecticut Technical Education and Career System · Ansonia School District | Ayer Shirley School District | Derby School District | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS |
| High school in town | Emmett O'Brien Technical High School | Ayer Shirley Regional High School | Derby High School | Killingly High School |
| Students per teacherat that high school | 12.2Highest |
11.5 |
9.7Lowest |
11.1 |
| On TownTapestry | ||||
| Old photos in History | None yet | 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.



