Compare towns
Killingly vs Willimantic vs Marlborough vs Plainfield
Cost, people, housing, commute and schools, side by side, each benchmarked against Connecticut.
What stands out worked out from the figures below
Willimantic has the most renters (65.1% rent).
Marlborough has the most people working from home (33.2%).
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 | Willimantic | Marlborough | Plainfield |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 17,867 |
18,096Highest |
6,130Lowest |
15,141 |
| Growth since 20102010 → 2020 census | — | +2.3% CT: +0.9% |
— | — |
| Median age | 39.5±3 4% below CT |
31.3±2.7Lowest 24% below CT |
41.8±4.7Highest about the CT average |
37±4.5 10% below CT |
| Marlborough 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% |
20.6%±2.5 CT: 20.2% |
23.6%±5.2Highest CT: 20.2% |
19.4%±2.6Lowest CT: 20.2% |
| Marlborough and Willimantic are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Age 65+ | 19.7%±2.4Highest CT: 18.5% |
11%±1.7Lowest CT: 18.5% |
16.3%±3.5 CT: 18.5% |
16.6%±2.4 CT: 18.5% |
| Killingly and Plainfield 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% |
24.2% CT: 42.5% |
45.9%Highest CT: 42.5% |
15%Lowest CT: 42.5% |
| Enrolled in collegeshare of residents | 5.4%±1.9 CT: 7.1% |
19.1%±2.1Highest CT: 7.1% |
5.1%±2.6Lowest CT: 7.1% |
5.6%±1.8 CT: 7.1% |
| Cost of living | ||||
| Household incomemedian | $84,350±$8k 12% below CT |
$45,962±$7kLowest 52% below CT |
$142,105±$35kHighest 48% above CT |
$76,993±$8k 20% below CT |
| Home valuemedian, owner-occupied | $288,600±$15k 21% below CT |
$190,900±$17kLowest 48% below CT |
$379,100±$33kHighest 3% above CT |
$272,100±$16k 26% below CT |
| Rentmedian gross, monthly | $1,044±$141Lowest 30% below CT |
$1,063±$68 29% below CT |
$1,333±$438Highest 10% below CT |
$1,204±$70 19% below CT |
| Marlborough and Plainfield are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Property taxmedian, yearly | $3,922Lowest 41% below CT |
$4,678 30% below CT |
$7,397Highest 11% above CT |
$4,209 37% below CT |
| Renters paying 30%+of income on rent | 42.8%±10.9 CT: 52.6% |
55.9%±8.1 CT: 52.6% |
59.2%±36Highest CT: 52.6% |
39.8%±9.5Lowest CT: 52.6% |
| Marlborough and Willimantic are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Below poverty line | 11.4% CT: 10% |
23.4%Highest CT: 10% |
9.7% CT: 10% |
8.7%Lowest CT: 10% |
| Housing | ||||
| Homeownersof occupied homes | 71.6% CT: 66.5% |
34.9%Lowest CT: 66.5% |
92.6%Highest CT: 66.5% |
73.6% CT: 66.5% |
| Typical home builtmedian year | 1968 1 yr newer than CT |
1953Lowest 14 yrs older than CT |
1977Highest 10 yrs newer than CT |
1971 4 yrs newer than CT |
| Getting to work | ||||
| Average commuteone way | 28 min 5% above CT |
23 minLowest 12% below CT |
34 minHighest 29% above CT |
27 min about the CT average |
| Work from home | 11.1%±2.3 CT: 16% |
6.2%±2Lowest CT: 16% |
33.2%±8.9Highest CT: 16% |
10%±4 CT: 16% |
| Schools | ||||
| Public school scoresrank in state, math + reading | #136 of 149 in CT | — | #52 of 149 in CT | #131 of 149 in CT |
| School district | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | — | Marlborough School District | Plainfield School District |
| High school in town | Killingly High School | — | None in town | 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 | 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.



