Compare towns
Groton vs Killingly vs New London
Cost, people, housing, commute and schools, side by side, each benchmarked against Connecticut.
What stands out worked out from the figures below
Groton has the shortest commute (18 min average).
Killingly has the most homeowners (71.6%).
New London has the most renters (63.9% rent).
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 | New London |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 9,490Lowest |
17,867 |
27,625Highest |
| Growth since 20102010 → 2020 census | -9.6%Lowest CT: +0.9% |
— | -0.9%Highest CT: +0.9% |
| Median age | 39±3.7 5% below CT |
39.5±3Highest 4% below CT |
34.7±2.1Lowest 16% below CT |
| Killingly and Groton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Kids under 18 | 15.7%±3.5Lowest CT: 20.2% |
19.8%±2.3Highest CT: 20.2% |
16.6%±2.5 CT: 20.2% |
| Killingly and New London are within the Census margin of error here, so we can’t say which is really higher. | |||
| Age 65+ | 16.2%±2.7 CT: 18.5% |
19.7%±2.4Highest CT: 18.5% |
15%±1.8Lowest CT: 18.5% |
| 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+ | 38.8%Highest CT: 42.5% |
22.9%Lowest CT: 42.5% |
28.5% CT: 42.5% |
| Enrolled in collegeshare of residents | 4.2%±1.7Lowest CT: 7.1% |
5.4%±1.9 CT: 7.1% |
13.3%±1.6Highest CT: 7.1% |
| Cost of living | |||
| Household incomemedian | $79,577±$8k 17% below CT |
$84,350±$8kHighest 12% below CT |
$59,098±$5kLowest 38% below CT |
| Killingly and Groton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Home valuemedian, owner-occupied | $306,600±$26kHighest 16% below CT |
$288,600±$15k 21% below CT |
$253,300±$23kLowest 31% below CT |
| Groton and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Rentmedian gross, monthly | $1,250±$98 16% below CT |
$1,044±$141Lowest 30% below CT |
$1,340±$51Highest 10% below CT |
| New London and Groton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Property taxmedian, yearly | $4,411 34% below CT |
$3,922Lowest 41% below CT |
$4,977Highest 25% below CT |
| Renters paying 30%+of income on rent | 46.5%±11.7 CT: 52.6% |
42.8%±10.9Lowest CT: 52.6% |
53.2%±5.3Highest CT: 52.6% |
| New London and Groton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 18.6% CT: 10% |
11.4%Lowest CT: 10% |
21.6%Highest CT: 10% |
| Housing | |||
| Homeownersof occupied homes | 45.4% CT: 66.5% |
71.6%Highest CT: 66.5% |
36.1%Lowest CT: 66.5% |
| Typical home builtmedian year | 1971Highest 4 yrs newer than CT |
1968 1 yr newer than CT |
1945Lowest 22 yrs older than CT |
| Getting to work | |||
| Average commuteone way | 18 minLowest 34% below CT |
28 minHighest 5% above CT |
19 min 28% below CT |
| Work from home | 4.8%±2Lowest CT: 16% |
11.1%±2.3 CT: 16% |
11.6%±2.3Highest CT: 16% |
| New London and Killingly 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 | #147 of 149 in CT |
| School district | — | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Interdistrict School for Arts and Comm District · New London School District |
| High school in town | — | Killingly High School | New London High School |
| Students per teacherat that high school | — | 11.1Lowest |
13.6Highest |
| On TownTapestry | |||
| Old photos in History | None yet | None yet | None yet |
CT 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.


