Compare towns
Groton vs Thompson vs Plainfield
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 most renters (54.6% rent).
Thompson has the oldest population (median age 54.1).
Plainfield has the most kids (19.4% under 18).
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 | Thompson | Plainfield |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 9,490 |
9,337Lowest |
15,141Highest |
| Growth since 20102010 → 2020 census | -9.6% CT: +0.9% |
— | — |
| Median age | 39±3.7 5% below CT |
54.1±2.2Highest 32% above CT |
37±4.5Lowest 10% below CT |
| Kids under 18 | 15.7%±3.5 CT: 20.2% |
11.4%±2.8Lowest CT: 20.2% |
19.4%±2.6Highest CT: 20.2% |
| Plainfield and Groton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Age 65+ | 16.2%±2.7Lowest CT: 18.5% |
24.4%±4.3Highest CT: 18.5% |
16.6%±2.4 CT: 18.5% |
| Bachelor’s degree+adults 25+ | 38.8%Highest CT: 42.5% |
21.9% CT: 42.5% |
15%Lowest CT: 42.5% |
| Enrolled in collegeshare of residents | 4.2%±1.7 CT: 7.1% |
2.9%±1.3Lowest CT: 7.1% |
5.6%±1.8Highest CT: 7.1% |
| Plainfield and Groton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Cost of living | |||
| Household incomemedian | $79,577±$8k 17% below CT |
$93,629±$18kHighest about the CT average |
$76,993±$8kLowest 20% below CT |
| Thompson 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 |
$291,900±$24k 20% below CT |
$272,100±$16kLowest 26% below CT |
| Groton and Thompson are within the Census margin of error here, so we can’t say which is really higher. | |||
| Rentmedian gross, monthly | $1,250±$98Highest 16% below CT |
$1,012±$344Lowest 32% below CT |
$1,204±$70 19% below CT |
| Groton and Plainfield are within the Census margin of error here, so we can’t say which is really higher. | |||
| Property taxmedian, yearly | $4,411Highest 34% below CT |
$3,822Lowest 42% below CT |
$4,209 37% below CT |
| Renters paying 30%+of income on rent | 46.5%±11.7 CT: 52.6% |
54%±18.7Highest CT: 52.6% |
39.8%±9.5Lowest CT: 52.6% |
| Thompson and Groton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 18.6%Highest CT: 10% |
5.9%Lowest CT: 10% |
8.7% CT: 10% |
| Housing | |||
| Homeownersof occupied homes | 45.4%Lowest CT: 66.5% |
84.3%Highest CT: 66.5% |
73.6% CT: 66.5% |
| Typical home builtmedian year | 1971Highest 4 yrs newer than CT |
1963Lowest 4 yrs older than CT |
1971Highest 4 yrs newer than CT |
| Getting to work | |||
| Average commuteone way | 18 minLowest 34% below CT |
32 minHighest 20% above CT |
27 min about the CT average |
| Work from home | 4.8%±2Lowest CT: 16% |
13.1%±4.4Highest CT: 16% |
10%±4 CT: 16% |
| Thompson and Plainfield 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 | — | #130 of 149 in CT | #131 of 149 in CT |
| School district | — | Thompson School District | Plainfield School District |
| High school in town | — | Tourtellotte Memorial High School | Plainfield High School |
| Students per teacherat that high school | — | 7.9Lowest |
10.3Highest |
| 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.


