Compare towns
Groton vs Killingly vs Millis vs Windsor Locks
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 people working from home (27.5%).
Killingly has the most renters (28.4% rent).
Millis has the oldest population (median age 46.4).
Windsor Locks has the shortest commute (22 min average).
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 | Millis | Windsor Locks |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 11,390 |
17,867Highest |
8,888Lowest |
12,579 |
| Growth since 20102010 → 2020 census | +6.3%Lowest U.S.: +7.4% |
— | +7.2%Highest U.S.: +7.4% |
— |
| Median age | 41.4±2.7 6% above U.S. |
39.5±3Lowest about the U.S. average |
46.4±3Highest 19% above U.S. |
41.4±2.6 6% 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 | 28.3%±4.9Highest U.S.: 22% |
19.8%±2.3 U.S.: 22% |
18.4%±2.8Lowest U.S.: 22% |
18.6%±3.4 U.S.: 22% |
| Age 65+ | 17.3%±2.8Lowest U.S.: 17.2% |
19.7%±2.4 U.S.: 17.2% |
23.5%±3.9Highest U.S.: 17.2% |
18.2%±2.7 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+ | 70.1%Highest U.S.: 35.7% |
22.9%Lowest U.S.: 35.7% |
54.5% U.S.: 35.7% |
28.6% U.S.: 35.7% |
| Enrolled in collegeshare of residents | 5.6%±1.9 U.S.: 6.4% |
5.4%±1.9 U.S.: 6.4% |
4.9%±1.6Lowest U.S.: 6.4% |
5.9%±1.8Highest U.S.: 6.4% |
| Windsor Locks and Groton 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±$8k 4% above U.S. |
$155,996±$9k 93% above U.S. |
$81,205±$13kLowest about the U.S. average |
| Home valuemedian, owner-occupied | $743,400±$46kHighest 123% above U.S. |
$288,600±$15k 13% below U.S. |
$603,500±$31k 81% above U.S. |
$258,800±$14kLowest 22% below U.S. |
| Rentmedian gross, monthly | $1,458±$335 3% above U.S. |
$1,044±$141Lowest 26% below U.S. |
$1,696±$279Highest 20% above U.S. |
$1,394±$187 about the U.S. average |
| Millis and Groton 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. |
$9,344 200% above U.S. |
$3,688Lowest 18% 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% |
56.5%±16.6 U.S.: 51.1% |
58.2%±16.8Highest U.S.: 51.1% |
| Windsor Locks and Millis 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% |
4.8% U.S.: 12.5% |
10.9% U.S.: 12.5% |
| Housing | ||||
| Homeownersof occupied homes | 88.8%Highest U.S.: 65.2% |
71.6%Lowest U.S.: 65.2% |
83.2% U.S.: 65.2% |
77.1% U.S.: 65.2% |
| Typical home builtmedian year | 1988Highest 8 yrs newer than U.S. |
1968 12 yrs older than U.S. |
1974 6 yrs older than U.S. |
1961Lowest 19 yrs older than U.S. |
| Getting to work | ||||
| Average commuteone way | 32 minHighest 22% above U.S. |
28 min 6% above U.S. |
31 min 16% above U.S. |
22 minLowest 17% below U.S. |
| Work from home | 27.5%±5.8Highest U.S.: 15.1% |
11.1%±2.3Lowest U.S.: 15.1% |
17.5%±4.2 U.S.: 15.1% |
17.7%±3.7 U.S.: 15.1% |
| Schools | ||||
| Public school scoresrank in state, math + reading | #39 of 282 in MA | #136 of 149 in CT | #63 of 282 in MA | #109 of 149 in CT |
| School district | Groton-Dunstable | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Millis | Windsor Locks School District |
| High school in town | Groton Dunstable Regional | Killingly High School | Millis High School | Windsor Locks High School |
| Students per teacherat that high school | 13.7Highest |
11.1 |
10.7 |
8.9Lowest |
| 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.