Compare towns
Killingly vs Groton vs Windham vs Plainville
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 homeowners (71.6%).
Groton has the shortest commute (18 min average).
Windham has the most affordable homes ($210k median).
Plainville has the oldest population (median age 44.3).
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 | Groton | Windham | Plainville |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 17,867 |
9,490Lowest |
23,961Highest |
17,551 |
| Growth since 20102010 → 2020 census | — | -9.6% CT: +0.9% |
— | — |
| Median age | 39.5±3 4% below CT |
39±3.7 5% below CT |
33.7±1.9Lowest 18% below CT |
44.3±1.5Highest 8% above CT |
| Kids under 18 | 19.8%±2.3 CT: 20.2% |
15.7%±3.5 CT: 20.2% |
20.1%±2.4Highest CT: 20.2% |
15.6%±2.3Lowest CT: 20.2% |
| Windham and Killingly 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% |
16.2%±2.7 CT: 18.5% |
14.3%±1.9Lowest CT: 18.5% |
20.1%±2.8Highest CT: 18.5% |
| Plainville 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% CT: 42.5% |
38.8%Highest CT: 42.5% |
22.7%Lowest CT: 42.5% |
30% CT: 42.5% |
| Enrolled in collegeshare of residents | 5.4%±1.9 CT: 7.1% |
4.2%±1.7Lowest CT: 7.1% |
15.2%±1.8Highest CT: 7.1% |
6.2%±1.6 CT: 7.1% |
| Cost of living | ||||
| Household incomemedian | $84,350±$8kHighest 12% below CT |
$79,577±$8k 17% below CT |
$55,736±$5kLowest 42% below CT |
$84,343±$7k 12% below CT |
| Killingly and Plainville 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 |
$306,600±$26kHighest 16% below CT |
$209,800±$9kLowest 43% below CT |
$254,000±$14k 31% below CT |
| Groton and Killingly are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Rentmedian gross, monthly | $1,044±$141Lowest 30% below CT |
$1,250±$98Highest 16% below CT |
$1,107±$69 26% below CT |
$1,126±$147 24% below CT |
| Groton and Plainville are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Property taxmedian, yearly | $3,922Lowest 41% below CT |
$4,411 34% below CT |
$4,633 30% below CT |
$4,798Highest 28% below CT |
| Renters paying 30%+of income on rent | 42.8%±10.9 CT: 52.6% |
46.5%±11.7 CT: 52.6% |
57.1%±8.1Highest CT: 52.6% |
40.3%±12.4Lowest CT: 52.6% |
| Windham and Groton are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Below poverty line | 11.4% CT: 10% |
18.6% CT: 10% |
20.7%Highest CT: 10% |
6.5%Lowest CT: 10% |
| Housing | ||||
| Homeownersof occupied homes | 71.6%Highest CT: 66.5% |
45.4%Lowest CT: 66.5% |
47.4% CT: 66.5% |
67.7% CT: 66.5% |
| Typical home builtmedian year | 1968 1 yr newer than CT |
1971Highest 4 yrs newer than CT |
1956Lowest 11 yrs older than CT |
1971Highest 4 yrs newer than CT |
| Getting to work | ||||
| Average commuteone way | 28 minHighest 5% above CT |
18 minLowest 34% below CT |
24 min 8% below CT |
21 min 20% below CT |
| Work from home | 11.1%±2.3Highest CT: 16% |
4.8%±2Lowest CT: 16% |
6.1%±1.7 CT: 16% |
10.7%±2 CT: 16% |
| Killingly and Plainville 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 | — | #143 of 149 in CT | #89 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 · Eastern Connecticut Regional Educational Service Center (EAS | Judicial Centers · Plainville School District |
| High school in town | Killingly High School | — | Windham High School | Plainville High School |
| Students per teacherat that high school | 11.1 |
— | 9.8Lowest |
11.4Highest |
| 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.