Compare towns
Plainfield vs Killingly vs Northfield
Cost, people, housing, commute and schools, side by side, each benchmarked against the U.S..
What stands out worked out from the figures below
Plainfield has the youngest population (median age 37).
Killingly has the most renters (28.4% rent).
Northfield has the most people working from home (16.5%).
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 | Plainfield | Killingly | Northfield |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 15,141 |
17,867Highest |
2,872Lowest |
| Growth since 20102010 → 2020 census | — | — | -5.5% U.S.: +7.4% |
| Median age | 37±4.5Lowest 5% below U.S. |
39.5±3 about the U.S. average |
48.9±4.2Highest 26% above U.S. |
| Kids under 18 | 19.4%±2.6 U.S.: 22% |
19.8%±2.3Highest U.S.: 22% |
14.8%±4.1Lowest 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+ | 16.6%±2.4Lowest U.S.: 17.2% |
19.7%±2.4 U.S.: 17.2% |
25.5%±5.1Highest U.S.: 17.2% |
| Northfield and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Bachelor’s degree+adults 25+ | 15%Lowest U.S.: 35.7% |
22.9% U.S.: 35.7% |
42.4%Highest U.S.: 35.7% |
| Enrolled in collegeshare of residents | 5.6%±1.8Highest U.S.: 6.4% |
5.4%±1.9 U.S.: 6.4% |
4.4%±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 | $76,993±$8kLowest 5% below U.S. |
$84,350±$8k 4% above U.S. |
$103,375±$10kHighest 28% above U.S. |
| Home valuemedian, owner-occupied | $272,100±$16kLowest 18% below U.S. |
$288,600±$15k 13% below U.S. |
$375,800±$31kHighest 13% above U.S. |
| Rentmedian gross, monthly | $1,204±$70Highest 15% below U.S. |
$1,044±$141Lowest 26% below U.S. |
$1,142±$200 19% below U.S. |
| Plainfield and Northfield are within the Census margin of error here, so we can’t say which is really higher. | |||
| Property taxmedian, yearly | $4,209 35% above U.S. |
$3,922Lowest 26% above U.S. |
$4,594Highest 47% above U.S. |
| Renters paying 30%+of income on rent | 39.8%±9.5Lowest U.S.: 51.1% |
42.8%±10.9 U.S.: 51.1% |
49.2%±25.9Highest U.S.: 51.1% |
| Northfield and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 8.7% U.S.: 12.5% |
11.4%Highest U.S.: 12.5% |
6.8%Lowest U.S.: 12.5% |
| Housing | |||
| Homeownersof occupied homes | 73.6% U.S.: 65.2% |
71.6%Lowest U.S.: 65.2% |
85.1%Highest U.S.: 65.2% |
| Typical home builtmedian year | 1971Highest 9 yrs older than U.S. |
1968 12 yrs older than U.S. |
1962Lowest 18 yrs older than U.S. |
| Getting to work | |||
| Average commuteone way | 27 minLowest about the U.S. average |
28 min 6% above U.S. |
31 minHighest 19% above U.S. |
| Work from home | 10%±4Lowest U.S.: 15.1% |
11.1%±2.3 U.S.: 15.1% |
16.5%±10.3Highest U.S.: 15.1% |
| Northfield 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 | #131 of 149 in CT | #136 of 149 in CT | #231 of 282 in MA |
| School district | Plainfield School District | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Pioneer Valley |
| High school in town | Plainfield High School | Killingly High School | Pioneer Valley Regional |
| Students per teacherat that high school | 10.3Lowest |
11.1Highest |
10.7 |
| On TownTapestry | |||
| Old photos in History | 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.