Compare towns
Killingly vs Millbury vs Plainfield vs Thompson
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).
Millbury has the most expensive homes ($450k median).
Plainfield has the youngest population (median age 37).
Thompson has the oldest population (median age 54.1).
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 | Millbury | Plainfield | Thompson |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 17,867Highest |
13,961 |
15,141 |
9,337Lowest |
| Growth since 20102010 → 2020 census | — | +4.3% U.S.: +7.4% |
— | — |
| Median age | 39.5±3 about the U.S. average |
42.6±3.1 10% above U.S. |
37±4.5Lowest 5% below U.S. |
54.1±2.2Highest 39% above U.S. |
| Kids under 18 | 19.8%±2.3 U.S.: 22% |
20.9%±3Highest U.S.: 22% |
19.4%±2.6 U.S.: 22% |
11.4%±2.8Lowest U.S.: 22% |
| Millbury and Killingly 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% |
20.2%±2.7 U.S.: 17.2% |
16.6%±2.4Lowest U.S.: 17.2% |
24.4%±4.3Highest U.S.: 17.2% |
| Thompson and Millbury 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% |
36.1%Highest U.S.: 35.7% |
15%Lowest U.S.: 35.7% |
21.9% U.S.: 35.7% |
| Enrolled in collegeshare of residents | 5.4%±1.9 U.S.: 6.4% |
4.6%±1.5 U.S.: 6.4% |
5.6%±1.8Highest U.S.: 6.4% |
2.9%±1.3Lowest U.S.: 6.4% |
| Plainfield and Killingly are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Cost of living | ||||
| Household incomemedian | $84,350±$8k 4% above U.S. |
$118,790±$13kHighest 47% above U.S. |
$76,993±$8kLowest 5% below U.S. |
$93,629±$18k 16% above U.S. |
| Millbury and Thompson 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. |
$450,100±$19kHighest 35% above U.S. |
$272,100±$16kLowest 18% below U.S. |
$291,900±$24k 12% below U.S. |
| Rentmedian gross, monthly | $1,044±$141 26% below U.S. |
$1,623±$232Highest 15% above U.S. |
$1,204±$70 15% below U.S. |
$1,012±$344Lowest 28% below U.S. |
| Property taxmedian, yearly | $3,922 26% above U.S. |
$5,406Highest 73% above U.S. |
$4,209 35% above U.S. |
$3,822Lowest 23% above U.S. |
| Renters paying 30%+of income on rent | 42.8%±10.9 U.S.: 51.1% |
43.5%±12.5 U.S.: 51.1% |
39.8%±9.5Lowest U.S.: 51.1% |
54%±18.7Highest U.S.: 51.1% |
| Thompson and Millbury 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% |
5%Lowest U.S.: 12.5% |
8.7% U.S.: 12.5% |
5.9% U.S.: 12.5% |
| Housing | ||||
| Homeownersof occupied homes | 71.6%Lowest U.S.: 65.2% |
75.4% U.S.: 65.2% |
73.6% U.S.: 65.2% |
84.3%Highest U.S.: 65.2% |
| Typical home builtmedian year | 1968 12 yrs older than U.S. |
1965 15 yrs older than U.S. |
1971Highest 9 yrs older than U.S. |
1963Lowest 17 yrs older than U.S. |
| Getting to work | ||||
| Average commuteone way | 28 min 6% above U.S. |
29 min 9% above U.S. |
27 minLowest about the U.S. average |
32 minHighest 20% above U.S. |
| Work from home | 11.1%±2.3 U.S.: 15.1% |
14.8%±3.4Highest U.S.: 15.1% |
10%±4Lowest U.S.: 15.1% |
13.1%±4.4 U.S.: 15.1% |
| Millbury and Thompson 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 | #202 of 282 in MA | #131 of 149 in CT | #130 of 149 in CT |
| School district | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Millbury | Plainfield School District | Thompson School District |
| High school in town | Killingly High School | Millbury Junior/Senior High | Plainfield High School | Tourtellotte Memorial High School |
| Students per teacherat that high school | 11.1 |
11.3Highest |
10.3 |
7.9Lowest |
| 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.



