Compare towns
Groton vs Killingly vs Thompson
Cost, people, housing, commute and schools, side by side, each benchmarked against the U.S..
What stands out worked out from the figures below
Groton has the most expensive homes ($743k median).
Killingly has the most renters (28.4% rent).
Thompson has the oldest population (median age 54.1).
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 | Groton | Killingly | Thompson |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 11,390 |
17,867Highest |
9,337Lowest |
| Growth since 20102010 → 2020 census | +6.3% U.S.: +7.4% |
— | — |
| Median age | 41.4±2.7 6% above U.S. |
39.5±3Lowest about the U.S. average |
54.1±2.2Highest 39% above U.S. |
| Kids under 18 | 28.3%±4.9Highest U.S.: 22% |
19.8%±2.3 U.S.: 22% |
11.4%±2.8Lowest U.S.: 22% |
| Age 65+ | 17.3%±2.8Lowest U.S.: 17.2% |
19.7%±2.4 U.S.: 17.2% |
24.4%±4.3Highest U.S.: 17.2% |
| 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+ | 70.1%Highest U.S.: 35.7% |
22.9% U.S.: 35.7% |
21.9%Lowest U.S.: 35.7% |
| Enrolled in collegeshare of residents | 5.6%±1.9Highest U.S.: 6.4% |
5.4%±1.9 U.S.: 6.4% |
2.9%±1.3Lowest U.S.: 6.4% |
| Groton and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Cost of living | |||
| Household incomemedian | $192,958±$27kHighest 139% above U.S. |
$84,350±$8kLowest 4% above U.S. |
$93,629±$18k 16% above U.S. |
| Home valuemedian, owner-occupied | $743,400±$46kHighest 123% above U.S. |
$288,600±$15kLowest 13% below U.S. |
$291,900±$24k 12% below U.S. |
| Rentmedian gross, monthly | $1,458±$335Highest 3% above U.S. |
$1,044±$141 26% below U.S. |
$1,012±$344Lowest 28% below U.S. |
| Groton and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Property taxmedian, yearly | $10,000+Highest at least 221% above U.S. |
$3,922 26% above U.S. |
$3,822Lowest 23% above U.S. |
| Renters paying 30%+of income on rent | 43.8%±17 U.S.: 51.1% |
42.8%±10.9Lowest U.S.: 51.1% |
54%±18.7Highest U.S.: 51.1% |
| Thompson and Groton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 3.8%Lowest U.S.: 12.5% |
11.4%Highest U.S.: 12.5% |
5.9% U.S.: 12.5% |
| Housing | |||
| Homeownersof occupied homes | 88.8%Highest U.S.: 65.2% |
71.6%Lowest U.S.: 65.2% |
84.3% U.S.: 65.2% |
| Typical home builtmedian year | 1988Highest 8 yrs newer than U.S. |
1968 12 yrs older than U.S. |
1963Lowest 17 yrs older than U.S. |
| Getting to work | |||
| Average commuteone way | 32 minHighest 22% above U.S. |
28 minLowest 6% above U.S. |
32 min 20% above U.S. |
| Work from home | 27.5%±5.8Highest U.S.: 15.1% |
11.1%±2.3Lowest U.S.: 15.1% |
13.1%±4.4 U.S.: 15.1% |
| Schools | |||
| Public school scoresrank in state, math + reading | #39 of 282 in MA | #136 of 149 in CT | #130 of 149 in CT |
| School district | Groton-Dunstable | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Thompson School District |
| High school in town | Groton Dunstable Regional | Killingly High School | Tourtellotte Memorial High School |
| Students per teacherat that high school | 13.7Highest |
11.1 |
7.9Lowest |
| On TownTapestry | |||
| Old photos in History | 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.


