Compare towns
Killingly vs Upton vs Groton vs Plainfield
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 renters (28.4% rent).
Upton has the oldest population (median age 46.4).
Groton has the most expensive homes ($743k median).
Plainfield has the youngest population (median age 37).
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 | Upton | Groton | Plainfield |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 17,867Highest |
8,189Lowest |
11,390 |
15,141 |
| Growth since 20102010 → 2020 census | — | +6.1%Lowest U.S.: +7.4% |
+6.3%Highest U.S.: +7.4% |
— |
| Median age | 39.5±3 about the U.S. average |
46.4±4.8Highest 19% above U.S. |
41.4±2.7 6% above U.S. |
37±4.5Lowest 5% below U.S. |
| Upton 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% |
23.2%±4.5 U.S.: 22% |
28.3%±4.9Highest U.S.: 22% |
19.4%±2.6Lowest U.S.: 22% |
| Groton and Upton are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Age 65+ | 19.7%±2.4 U.S.: 17.2% |
20.7%±4.9Highest U.S.: 17.2% |
17.3%±2.8 U.S.: 17.2% |
16.6%±2.4Lowest U.S.: 17.2% |
| Upton 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% U.S.: 35.7% |
53.5% U.S.: 35.7% |
70.1%Highest U.S.: 35.7% |
15%Lowest U.S.: 35.7% |
| Enrolled in collegeshare of residents | 5.4%±1.9 U.S.: 6.4% |
2.4%±1.3Lowest U.S.: 6.4% |
5.6%±1.9Highest U.S.: 6.4% |
5.6%±1.8Highest U.S.: 6.4% |
| Cost of living | ||||
| Household incomemedian | $84,350±$8k 4% above U.S. |
$155,508±$33k 93% above U.S. |
$192,958±$27kHighest 139% above U.S. |
$76,993±$8kLowest 5% below U.S. |
| Groton and Upton are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Home valuemedian, owner-occupied | $288,600±$15k 13% below U.S. |
$576,700±$41k 73% above U.S. |
$743,400±$46kHighest 123% above U.S. |
$272,100±$16kLowest 18% below U.S. |
| Rentmedian gross, monthly | $1,044±$141 26% below U.S. |
$948±$599Lowest 33% below U.S. |
$1,458±$335Highest 3% above U.S. |
$1,204±$70 15% below U.S. |
| Groton and Plainfield 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. |
$8,376 169% above U.S. |
$10,000+Highest at least 221% above U.S. |
$4,209 35% above U.S. |
| Renters paying 30%+of income on rent | 42.8%±10.9 U.S.: 51.1% |
52.8%±31Highest U.S.: 51.1% |
43.8%±17 U.S.: 51.1% |
39.8%±9.5Lowest U.S.: 51.1% |
| Upton 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% |
3.2%Lowest U.S.: 12.5% |
3.8% U.S.: 12.5% |
8.7% U.S.: 12.5% |
| Housing | ||||
| Homeownersof occupied homes | 71.6%Lowest U.S.: 65.2% |
86.7% U.S.: 65.2% |
88.8%Highest U.S.: 65.2% |
73.6% U.S.: 65.2% |
| Typical home builtmedian year | 1968Lowest 12 yrs older than U.S. |
1981 1 yr newer than U.S. |
1988Highest 8 yrs newer than U.S. |
1971 9 yrs older than U.S. |
| Getting to work | ||||
| Average commuteone way | 28 min 6% above U.S. |
35 minHighest 34% above U.S. |
32 min 22% above U.S. |
27 minLowest about the U.S. average |
| Work from home | 11.1%±2.3 U.S.: 15.1% |
22.8%±5.3 U.S.: 15.1% |
27.5%±5.8Highest U.S.: 15.1% |
10%±4Lowest U.S.: 15.1% |
| Groton and Upton 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 | #46 of 282 in MA | #39 of 282 in MA | #131 of 149 in CT |
| School district | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Blackstone Valley Regional Vocational Technical · Mendon-Upton | Groton-Dunstable | Plainfield School District |
| High school in town | Killingly High School | Blackstone Valley | Groton Dunstable Regional | Plainfield High School |
| Students per teacherat that high school | 11.1 |
11.2 |
13.7Highest |
10.3Lowest |
| 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.



