Compare towns
Killingly vs Groton vs Millis
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 affordable homes ($289k median).
Groton has the most people working from home (27.5%).
Millis has the oldest population (median age 46.4).
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 | Millis |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 17,867Highest |
11,390 |
8,888Lowest |
| Growth since 20102010 → 2020 census | — | +6.3%Lowest U.S.: +7.4% |
+7.2%Highest U.S.: +7.4% |
| Median age | 39.5±3Lowest about the U.S. average |
41.4±2.7 6% above U.S. |
46.4±3Highest 19% above U.S. |
| Millis and Groton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Kids under 18 | 19.8%±2.3 U.S.: 22% |
28.3%±4.9Highest U.S.: 22% |
18.4%±2.8Lowest U.S.: 22% |
| Age 65+ | 19.7%±2.4 U.S.: 17.2% |
17.3%±2.8Lowest U.S.: 17.2% |
23.5%±3.9Highest U.S.: 17.2% |
| Millis 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%Lowest U.S.: 35.7% |
70.1%Highest U.S.: 35.7% |
54.5% 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% |
4.9%±1.6Lowest 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 | $84,350±$8kLowest 4% above U.S. |
$192,958±$27kHighest 139% above U.S. |
$155,996±$9k 93% above U.S. |
| Home valuemedian, owner-occupied | $288,600±$15kLowest 13% below U.S. |
$743,400±$46kHighest 123% above U.S. |
$603,500±$31k 81% above U.S. |
| Rentmedian gross, monthly | $1,044±$141Lowest 26% below U.S. |
$1,458±$335 3% above U.S. |
$1,696±$279Highest 20% above U.S. |
| Millis 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. |
$9,344 200% above U.S. |
| Renters paying 30%+of income on rent | 42.8%±10.9Lowest U.S.: 51.1% |
43.8%±17 U.S.: 51.1% |
56.5%±16.6Highest U.S.: 51.1% |
| Millis and Groton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 11.4%Highest U.S.: 12.5% |
3.8%Lowest U.S.: 12.5% |
4.8% U.S.: 12.5% |
| Housing | |||
| Homeownersof occupied homes | 71.6%Lowest U.S.: 65.2% |
88.8%Highest U.S.: 65.2% |
83.2% U.S.: 65.2% |
| Typical home builtmedian year | 1968Lowest 12 yrs older than U.S. |
1988Highest 8 yrs newer than U.S. |
1974 6 yrs older than U.S. |
| Getting to work | |||
| Average commuteone way | 28 minLowest 6% above U.S. |
32 minHighest 22% above U.S. |
31 min 16% above U.S. |
| Work from home | 11.1%±2.3Lowest U.S.: 15.1% |
27.5%±5.8Highest U.S.: 15.1% |
17.5%±4.2 U.S.: 15.1% |
| Groton and Millis 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 | #63 of 282 in MA |
| School district | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Groton-Dunstable | Millis |
| High school in town | Killingly High School | Groton Dunstable Regional | Millis High School |
| Students per teacherat that high school | 11.1 |
13.7Highest |
10.7Lowest |
| 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.