Compare towns
Killingly vs Ansonia vs Thompson vs Plainfield
Cost, people, housing, commute and schools, side by side, each benchmarked against Connecticut.
What stands out worked out from the figures below
Killingly has the most kids (19.8% under 18).
Ansonia has the most renters (41.9% rent).
Thompson has the oldest population (median age 54.1).
Plainfield has the youngest population (median age 37).
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 | Killingly | Ansonia | Thompson | Plainfield |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 17,867 |
19,033Highest |
9,337Lowest |
15,141 |
| Growth since 20102010 → 2020 census | — | -1.7% CT: +0.9% |
— | — |
| Median age | 39.5±3 4% below CT |
40.1±1.6 about the CT average |
54.1±2.2Highest 32% above CT |
37±4.5Lowest 10% below CT |
| Kids under 18 | 19.8%±2.3Highest CT: 20.2% |
18.3%±2.8 CT: 20.2% |
11.4%±2.8Lowest CT: 20.2% |
19.4%±2.6 CT: 20.2% |
| Killingly and Plainfield are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Age 65+ | 19.7%±2.4 CT: 18.5% |
18.1%±2.7 CT: 18.5% |
24.4%±4.3Highest CT: 18.5% |
16.6%±2.4Lowest CT: 18.5% |
| Thompson and Killingly are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Bachelor’s degree+adults 25+ | 22.9%Highest CT: 42.5% |
21.9% CT: 42.5% |
21.9% CT: 42.5% |
15%Lowest CT: 42.5% |
| Enrolled in collegeshare of residents | 5.4%±1.9 CT: 7.1% |
6.2%±1.8Highest CT: 7.1% |
2.9%±1.3Lowest CT: 7.1% |
5.6%±1.8 CT: 7.1% |
| Ansonia and Plainfield are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Cost of living | ||||
| Household incomemedian | $84,350±$8k 12% below CT |
$85,877±$10k 10% below CT |
$93,629±$18kHighest about the CT average |
$76,993±$8kLowest 20% below CT |
| Thompson and Ansonia are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Home valuemedian, owner-occupied | $288,600±$15k 21% below CT |
$287,200±$14k 22% below CT |
$291,900±$24kHighest 20% below CT |
$272,100±$16kLowest 26% below CT |
| Thompson and Killingly are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Rentmedian gross, monthly | $1,044±$141 30% below CT |
$1,476±$121Highest about the CT average |
$1,012±$344Lowest 32% below CT |
$1,204±$70 19% below CT |
| Property taxmedian, yearly | $3,922 41% below CT |
$5,446Highest 18% below CT |
$3,822Lowest 42% below CT |
$4,209 37% below CT |
| Renters paying 30%+of income on rent | 42.8%±10.9 CT: 52.6% |
39.7%±10Lowest CT: 52.6% |
54%±18.7Highest CT: 52.6% |
39.8%±9.5 CT: 52.6% |
| Thompson and Killingly are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Below poverty line | 11.4%Highest CT: 10% |
9.4% CT: 10% |
5.9%Lowest CT: 10% |
8.7% CT: 10% |
| Housing | ||||
| Homeownersof occupied homes | 71.6% CT: 66.5% |
58.1%Lowest CT: 66.5% |
84.3%Highest CT: 66.5% |
73.6% CT: 66.5% |
| Typical home builtmedian year | 1968 1 yr newer than CT |
1954Lowest 13 yrs older than CT |
1963 4 yrs older than CT |
1971Highest 4 yrs newer than CT |
| Getting to work | ||||
| Average commuteone way | 28 min 5% above CT |
27 min about the CT average |
32 minHighest 20% above CT |
27 minLowest about the CT average |
| Work from home | 11.1%±2.3 CT: 16% |
9.1%±2.9Lowest CT: 16% |
13.1%±4.4Highest CT: 16% |
10%±4 CT: 16% |
| Thompson and Killingly 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 | #136 of 149 in CT | #142 of 149 in CT | #130 of 149 in CT | #131 of 149 in CT |
| School district | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Connecticut Technical Education and Career System · Ansonia School District | Thompson School District | Plainfield School District |
| High school in town | Killingly High School | Emmett O'Brien Technical High School | Tourtellotte Memorial High School | Plainfield High School |
| Students per teacherat that high school | 11.1 |
12.2Highest |
7.9Lowest |
10.3 |
| On TownTapestry | ||||
| Old photos in History | None yet | None yet | None yet | None yet |
CT 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.



