Compare towns
Groton vs Killingly vs Northbridge
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 highest household income ($193k).
Killingly has the most affordable homes ($289k median).
Northbridge has the oldest population (median age 43.8).
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 | Northbridge |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 11,390Lowest |
17,867Highest |
16,458 |
| Growth since 20102010 → 2020 census | +6.3%Highest U.S.: +7.4% |
— | +4%Lowest U.S.: +7.4% |
| Median age | 41.4±2.7 6% above U.S. |
39.5±3Lowest about the U.S. average |
43.8±2.6Highest 13% above U.S. |
| Northbridge 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%±2.3Lowest U.S.: 22% |
21.1%±2.9 U.S.: 22% |
| Groton and Northbridge are within the Census margin of error here, so we can’t say which is really higher. | |||
| Age 65+ | 17.3%±2.8 U.S.: 17.2% |
19.7%±2.4Highest U.S.: 17.2% |
16.4%±2.1Lowest 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+ | 70.1%Highest U.S.: 35.7% |
22.9%Lowest U.S.: 35.7% |
36.9% 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% |
4.3%±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. |
$111,319±$19k 38% above U.S. |
| Home valuemedian, owner-occupied | $743,400±$46kHighest 123% above U.S. |
$288,600±$15kLowest 13% below U.S. |
$448,600±$15k 35% above U.S. |
| Rentmedian gross, monthly | $1,458±$335Highest 3% above U.S. |
$1,044±$141Lowest 26% below U.S. |
$1,207±$102 15% below U.S. |
| Groton and Northbridge 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. |
$3,922Lowest 26% above U.S. |
$4,821 55% 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% |
51.2%±9.8Highest U.S.: 51.1% |
| Northbridge 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% |
7.9% U.S.: 12.5% |
| Housing | |||
| Homeownersof occupied homes | 88.8%Highest U.S.: 65.2% |
71.6% U.S.: 65.2% |
70.5%Lowest U.S.: 65.2% |
| Typical home builtmedian year | 1988Highest 8 yrs newer than U.S. |
1968Lowest 12 yrs older than U.S. |
1973 7 yrs older than U.S. |
| Getting to work | |||
| Average commuteone way | 32 minHighest 22% above U.S. |
28 minLowest 6% above U.S. |
31 min 17% above U.S. |
| Work from home | 27.5%±5.8Highest U.S.: 15.1% |
11.1%±2.3Lowest U.S.: 15.1% |
16.2%±3.6 U.S.: 15.1% |
| Schools | |||
| Public school scoresrank in state, math + reading | #39 of 282 in MA | #136 of 149 in CT | #226 of 282 in MA |
| School district | Groton-Dunstable | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Northbridge |
| High school in town | Groton Dunstable Regional | Killingly High School | Northbridge High |
| Students per teacherat that high school | 13.7Highest |
11.1 |
10.8Lowest |
| 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.