Compare towns
Springfield vs Killingly vs Plainfield vs Grantham
Cost, people, housing, commute and schools, side by side, each benchmarked against the U.S..
What stands out worked out from the figures below
Springfield has the most people working from home (16.7%).
Killingly has the most renters (28.4% rent).
Plainfield has the youngest population (median age 37).
Grantham has the shortest commute (23 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 | Springfield | Killingly | Plainfield | Grantham |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 1,122Lowest |
17,867Highest |
15,141 |
3,465 |
| Growth since 20102010 → 2020 census | -4%Lowest U.S.: +7.4% |
— | — | +14%Highest U.S.: +7.4% |
| Median age | 51.4±8.8Highest 32% above U.S. |
39.5±3 about the U.S. average |
37±4.5Lowest 5% below U.S. |
50.4±7.5 30% above U.S. |
| Springfield and Grantham are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Kids under 18 | 15.1%±8Lowest U.S.: 22% |
19.8%±2.3Highest U.S.: 22% |
19.4%±2.6 U.S.: 22% |
19.1%±6.6 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+ | 19.8%±1.6Highest U.S.: 17.2% |
19.7%±2.4 U.S.: 17.2% |
16.6%±2.4Lowest U.S.: 17.2% |
17%±6.9 U.S.: 17.2% |
| Springfield and Killingly are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Bachelor’s degree+adults 25+ | 36.4% U.S.: 35.7% |
22.9% U.S.: 35.7% |
15%Lowest U.S.: 35.7% |
59.6%Highest U.S.: 35.7% |
| Enrolled in collegeshare of residents | 0%±1.5Lowest U.S.: 6.4% |
5.4%±1.9 U.S.: 6.4% |
5.6%±1.8Highest U.S.: 6.4% |
4.8%±6 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 | $100,893±$19k 25% above U.S. |
$84,350±$8k 4% above U.S. |
$76,993±$8kLowest 5% below U.S. |
$106,403±$54kHighest 32% above U.S. |
| Grantham and Springfield are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Home valuemedian, owner-occupied | $384,100±$50kHighest 15% above U.S. |
$288,600±$15k 13% below U.S. |
$272,100±$16kLowest 18% below U.S. |
$343,100±$39k 3% above U.S. |
| Springfield and Grantham are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Rentmedian gross, monthly | $1,096±$217 22% below U.S. |
$1,044±$141Lowest 26% below U.S. |
$1,204±$70Highest 15% below U.S. |
— |
| Plainfield and Springfield are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Property taxmedian, yearly | $5,946 91% above U.S. |
$3,922Lowest 26% above U.S. |
$4,209 35% above U.S. |
$7,605Highest 144% above U.S. |
| Renters paying 30%+of income on rent | 25.9%±64.8Lowest U.S.: 51.1% |
42.8%±10.9Highest U.S.: 51.1% |
39.8%±9.5 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 | 3.4% U.S.: 12.5% |
11.4%Highest U.S.: 12.5% |
8.7% U.S.: 12.5% |
0%Lowest U.S.: 12.5% |
| Housing | ||||
| Homeownersof occupied homes | 90.7% U.S.: 65.2% |
71.6%Lowest U.S.: 65.2% |
73.6% U.S.: 65.2% |
100%Highest U.S.: 65.2% |
| Typical home builtmedian year | 1985 5 yrs newer than U.S. |
1968Lowest 12 yrs older than U.S. |
1971 9 yrs older than U.S. |
1987Highest 7 yrs newer than U.S. |
| Getting to work | ||||
| Average commuteone way | 34 minHighest 30% above U.S. |
28 min 6% above U.S. |
27 min about the U.S. average |
23 minLowest 15% below U.S. |
| Work from home | 16.7%±11.6Highest U.S.: 15.1% |
11.1%±2.3 U.S.: 15.1% |
10%±4Lowest U.S.: 15.1% |
13.8%±6.2 U.S.: 15.1% |
| Springfield and Grantham 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 | #6 of 120 in NH |
| School district | — | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Plainfield School District | Grantham School District |
| High school in town | — | Killingly High School | Plainfield High School | None in town |
| Students per teacherat that high school | — | 11.1Highest |
10.3Lowest |
— |
| 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.



