Compare towns
Plainfield vs Northfield vs Killingly
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).
Northfield has the most people working from home (16.5%).
Killingly has the most renters (28.4% rent).
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 | Northfield | Killingly |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 15,141 |
2,872Lowest |
17,867Highest |
| Growth since 20102010 → 2020 census | — | -5.5% U.S.: +7.4% |
— |
| Median age | 37±4.5Lowest 5% below U.S. |
48.9±4.2Highest 26% above U.S. |
39.5±3 about the U.S. average |
| Kids under 18 | 19.4%±2.6 U.S.: 22% |
14.8%±4.1Lowest U.S.: 22% |
19.8%±2.3Highest 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% |
25.5%±5.1Highest U.S.: 17.2% |
19.7%±2.4 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% |
42.4%Highest U.S.: 35.7% |
22.9% U.S.: 35.7% |
| Enrolled in collegeshare of residents | 5.6%±1.8Highest U.S.: 6.4% |
4.4%±3Lowest U.S.: 6.4% |
5.4%±1.9 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. |
$103,375±$10kHighest 28% above U.S. |
$84,350±$8k 4% above U.S. |
| Home valuemedian, owner-occupied | $272,100±$16kLowest 18% below U.S. |
$375,800±$31kHighest 13% above U.S. |
$288,600±$15k 13% below U.S. |
| Rentmedian gross, monthly | $1,204±$70Highest 15% below U.S. |
$1,142±$200 19% below U.S. |
$1,044±$141Lowest 26% 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. |
$4,594Highest 47% above U.S. |
$3,922Lowest 26% above U.S. |
| Renters paying 30%+of income on rent | 39.8%±9.5Lowest U.S.: 51.1% |
49.2%±25.9Highest U.S.: 51.1% |
42.8%±10.9 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% |
6.8%Lowest U.S.: 12.5% |
11.4%Highest U.S.: 12.5% |
| Housing | |||
| Homeownersof occupied homes | 73.6% U.S.: 65.2% |
85.1%Highest U.S.: 65.2% |
71.6%Lowest U.S.: 65.2% |
| Typical home builtmedian year | 1971Highest 9 yrs older than U.S. |
1962Lowest 18 yrs older than U.S. |
1968 12 yrs older than U.S. |
| Getting to work | |||
| Average commuteone way | 27 minLowest about the U.S. average |
31 minHighest 19% above U.S. |
28 min 6% above U.S. |
| Work from home | 10%±4Lowest U.S.: 15.1% |
16.5%±10.3Highest U.S.: 15.1% |
11.1%±2.3 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 | #231 of 282 in MA | #136 of 149 in CT |
| School district | Plainfield School District | Pioneer Valley | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS |
| High school in town | Plainfield High School | Pioneer Valley Regional | Killingly High School |
| Students per teacherat that high school | 10.3Lowest |
10.7 |
11.1Highest |
| 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.

