Compare towns
Killingly vs Millville vs Plainfield vs Sheffield
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).
Millville has the highest household income ($127k).
Plainfield has the youngest population (median age 37).
Sheffield has the shortest commute (21 min average).
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 | Millville | Plainfield | Sheffield |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 17,867Highest |
3,160Lowest |
15,141 |
3,330 |
| Growth since 20102010 → 2020 census | — | -0.5%Lowest U.S.: +7.4% |
— | +2.1%Highest U.S.: +7.4% |
| Median age | 39.5±3 about the U.S. average |
46±2.2 18% above U.S. |
37±4.5Lowest 5% below U.S. |
48.2±8Highest 24% above U.S. |
| Sheffield and Millville are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Kids under 18 | 19.8%±2.3Highest U.S.: 22% |
17.7%±3.5 U.S.: 22% |
19.4%±2.6 U.S.: 22% |
13.3%±4Lowest U.S.: 22% |
| Killingly and Plainfield 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% |
15.8%±5.4Lowest U.S.: 17.2% |
16.6%±2.4 U.S.: 17.2% |
23.2%±5.2Highest U.S.: 17.2% |
| Sheffield 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% |
30.6% U.S.: 35.7% |
15%Lowest U.S.: 35.7% |
37.5%Highest U.S.: 35.7% |
| Enrolled in collegeshare of residents | 5.4%±1.9 U.S.: 6.4% |
4%±1.8Lowest U.S.: 6.4% |
5.6%±1.8Highest U.S.: 6.4% |
4.2%±4.5 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. |
$127,188±$32kHighest 58% above U.S. |
$76,993±$8kLowest 5% below U.S. |
$92,120±$31k 14% above U.S. |
| Millville and Sheffield 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. |
$444,600±$25kHighest 34% above U.S. |
$272,100±$16kLowest 18% below U.S. |
$409,400±$32k 23% above U.S. |
| Millville and Sheffield are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Rentmedian gross, monthly | $1,044±$141Lowest 26% below U.S. |
$1,468±$234 4% above U.S. |
$1,204±$70 15% below U.S. |
$1,837±$1kHighest 30% above U.S. |
| Sheffield and Millville 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. |
$5,327Highest 71% above U.S. |
$4,209 35% above U.S. |
$4,520 45% above U.S. |
| Renters paying 30%+of income on rent | 42.8%±10.9Highest U.S.: 51.1% |
36.2%±24.5 U.S.: 51.1% |
39.8%±9.5 U.S.: 51.1% |
29.2%±21.2Lowest U.S.: 51.1% |
| Killingly and Plainfield 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% |
4.6%Lowest U.S.: 12.5% |
8.7% U.S.: 12.5% |
6.4% U.S.: 12.5% |
| Housing | ||||
| Homeownersof occupied homes | 71.6%Lowest U.S.: 65.2% |
86.9%Highest U.S.: 65.2% |
73.6% U.S.: 65.2% |
82.3% U.S.: 65.2% |
| Typical home builtmedian year | 1968Lowest 12 yrs older than U.S. |
1974 6 yrs older than U.S. |
1971 9 yrs older than U.S. |
1975Highest 5 yrs older than U.S. |
| Getting to work | ||||
| Average commuteone way | 28 min 6% above U.S. |
32 minHighest 21% above U.S. |
27 min about the U.S. average |
21 minLowest 22% below U.S. |
| Work from home | 11.1%±2.3Highest U.S.: 15.1% |
11.1%±4Highest U.S.: 15.1% |
10%±4 U.S.: 15.1% |
8.5%±5.2Lowest U.S.: 15.1% |
| Schools | ||||
| Public school scoresrank in state, math + reading | #136 of 149 in CT | #180 of 282 in MA | #131 of 149 in CT | #250 of 282 in MA |
| School district | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Blackstone-Millville | Plainfield School District | Southern Berkshire |
| High school in town | Killingly High School | None in town | Plainfield High School | Mt Everett Regional |
| Students per teacherat that high school | 11.1Highest |
— | 10.3 |
7.8Lowest |
| 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.