Compare towns
Killingly vs Northwest Harwinton vs Plainfield
Cost, people, housing, commute and schools, side by side, each benchmarked against Connecticut.
What stands out worked out from the figures below
Killingly has the most renters (28.4% rent).
Northwest Harwinton has the highest household income ($109k).
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 | Northwest Harwinton | Plainfield |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 17,867Highest |
3,088Lowest |
15,141 |
| Growth since 20102010 → 2020 census | — | -2.9% CT: +0.9% |
— |
| Median age | 39.5±3 4% below CT |
46±5.9Highest 12% above CT |
37±4.5Lowest 10% below CT |
| Northwest Harwinton and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Kids under 18 | 19.8%±2.3 CT: 20.2% |
24.5%±6.4Highest CT: 20.2% |
19.4%±2.6Lowest CT: 20.2% |
| Northwest Harwinton 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 CT: 18.5% |
23.6%±4.2Highest CT: 18.5% |
16.6%±2.4Lowest CT: 18.5% |
| Northwest Harwinton 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% CT: 42.5% |
39.7%Highest CT: 42.5% |
15%Lowest CT: 42.5% |
| Enrolled in collegeshare of residents | 5.4%±1.9 CT: 7.1% |
1.9%±1.4Lowest CT: 7.1% |
5.6%±1.8Highest CT: 7.1% |
| 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 12% below CT |
$109,458±$13kHighest 14% above CT |
$76,993±$8kLowest 20% below CT |
| Home valuemedian, owner-occupied | $288,600±$15k 21% below CT |
$330,500±$20kHighest 10% below CT |
$272,100±$16kLowest 26% below CT |
| Rentmedian gross, monthly | $1,044±$141Lowest 30% below CT |
$1,446±$154Highest about the CT average |
$1,204±$70 19% below CT |
| Property taxmedian, yearly | $3,922Lowest 41% below CT |
$5,019Highest 24% below CT |
$4,209 37% below CT |
| Renters paying 30%+of income on rent | 42.8%±10.9Highest CT: 52.6% |
30.8%±29.8Lowest CT: 52.6% |
39.8%±9.5 CT: 52.6% |
| 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 CT: 10% |
5.8%Lowest CT: 10% |
8.7% CT: 10% |
| Housing | |||
| Homeownersof occupied homes | 71.6%Lowest CT: 66.5% |
90.9%Highest CT: 66.5% |
73.6% CT: 66.5% |
| Typical home builtmedian year | 1968 1 yr newer than CT |
1960Lowest 7 yrs older than CT |
1971Highest 4 yrs newer than CT |
| Getting to work | |||
| Average commuteone way | 28 min 5% above CT |
31 minHighest 15% above CT |
27 minLowest about the CT average |
| Work from home | 11.1%±2.3 CT: 16% |
11.9%±6.8Highest CT: 16% |
10%±4Lowest CT: 16% |
| Northwest Harwinton 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 | #136 of 149 in CT | — | #131 of 149 in CT |
| School district | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | — | Plainfield School District |
| High school in town | Killingly High School | — | Plainfield High School |
| Students per teacherat that high school | 11.1Highest |
— | 10.3Lowest |
| On TownTapestry | |||
| Old photos in History | None yet | None yet | None yet |
CT 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.