Compare towns
Killingly vs Groton vs Devens vs Plainfield
Cost, people, housing, commute and schools, side by side, each benchmarked against the U.S..
What stands out worked out from the figures below
Killingly has the most renters (28.4% rent).
Groton has the most kids (28.3% under 18).
Devens has the oldest population (median age 48.6).
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 | Groton | Devens | Plainfield |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 17,867Highest |
11,390 |
1,723Lowest |
15,141 |
| Growth since 20102010 → 2020 census | — | +6.3%Highest U.S.: +7.4% |
-7.8%Lowest U.S.: +7.4% |
— |
| Median age | 39.5±3 about the U.S. average |
41.4±2.7 6% above U.S. |
48.6±4.3Highest 25% above U.S. |
37±4.5Lowest 5% below U.S. |
| Kids under 18 | 19.8%±2.3 U.S.: 22% |
28.3%±4.9Highest U.S.: 22% |
5.5%±3.9Lowest U.S.: 22% |
19.4%±2.6 U.S.: 22% |
| Age 65+ | 19.7%±2.4Highest U.S.: 17.2% |
17.3%±2.8 U.S.: 17.2% |
14%±5Lowest U.S.: 17.2% |
16.6%±2.4 U.S.: 17.2% |
| Killingly and Groton are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Bachelor’s degree+adults 25+ | 22.9% U.S.: 35.7% |
70.1%Highest U.S.: 35.7% |
21.9% U.S.: 35.7% |
15%Lowest U.S.: 35.7% |
| Enrolled in collegeshare of residents | 5.4%±1.9 U.S.: 6.4% |
5.6%±1.9Highest U.S.: 6.4% |
5.2%±4.2Lowest U.S.: 6.4% |
5.6%±1.8Highest U.S.: 6.4% |
| Cost of living | ||||
| Household incomemedian | $84,350±$8k 4% above U.S. |
$192,958±$27kHighest 139% above U.S. |
$189,250±$63k 134% above U.S. |
$76,993±$8kLowest 5% below U.S. |
| Groton and Devens are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Home valuemedian, owner-occupied | $288,600±$15k 13% below U.S. |
$743,400±$46kHighest 123% above U.S. |
$556,800±$96k 67% above U.S. |
$272,100±$16kLowest 18% below U.S. |
| Rentmedian gross, monthly | $1,044±$141Lowest 26% below U.S. |
$1,458±$335 3% above U.S. |
$1,500±$539Highest 6% above U.S. |
$1,204±$70 15% below U.S. |
| Devens and Groton are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Property taxmedian, yearly | $3,922Lowest 26% above U.S. |
$10,000+Highest at least 221% above U.S. |
$5,556 78% above U.S. |
$4,209 35% above U.S. |
| Renters paying 30%+of income on rent | 42.8%±10.9 U.S.: 51.1% |
43.8%±17 U.S.: 51.1% |
85.4%±64.7Highest U.S.: 51.1% |
39.8%±9.5Lowest U.S.: 51.1% |
| Devens and Groton are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Below poverty line | 11.4% U.S.: 12.5% |
3.8%Lowest U.S.: 12.5% |
25.3%Highest U.S.: 12.5% |
8.7% U.S.: 12.5% |
| Housing | ||||
| Homeownersof occupied homes | 71.6%Lowest U.S.: 65.2% |
88.8%Highest U.S.: 65.2% |
79.3% U.S.: 65.2% |
73.6% U.S.: 65.2% |
| Typical home builtmedian year | 1968 12 yrs older than U.S. |
1988Highest 8 yrs newer than U.S. |
1950Lowest 30 yrs older than U.S. |
1971 9 yrs older than U.S. |
| Getting to work | ||||
| Average commuteone way | 28 min 6% above U.S. |
32 minHighest 22% above U.S. |
28 min 5% above U.S. |
27 minLowest about the U.S. average |
| Work from home | 11.1%±2.3 U.S.: 15.1% |
27.5%±5.8 U.S.: 15.1% |
28.5%±11.5Highest U.S.: 15.1% |
10%±4Lowest U.S.: 15.1% |
| Devens and Groton 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 | #39 of 282 in MA | — | #131 of 149 in CT |
| School district | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Groton-Dunstable | — | Plainfield School District |
| High school in town | Killingly High School | Groton Dunstable Regional | — | Plainfield High School |
| Students per teacherat that high school | 11.1 |
13.7Highest |
— | 10.3Lowest |
| On TownTapestry | ||||
| Old photos in History | None yet | None yet | 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.