Compare towns
Griswold vs Killingly vs Springfield vs Thompson
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 renters (50.4% rent).
Thompson has the most people working from home (13.1%).
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 | Griswold | Killingly | Springfield | Thompson |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 11,530 |
17,867 |
154,749Highest |
9,337Lowest |
| Growth since 20102010 → 2020 census | — | — | +1.9% U.S.: +7.4% |
— |
| Median age | 48.1±3.9 24% above U.S. |
39.5±3 about the U.S. average |
33.7±0.5Lowest 13% below U.S. |
54.1±2.2Highest 39% above U.S. |
| Thompson and Griswold are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Kids under 18 | 18.5%±3.7 U.S.: 22% |
19.8%±2.3 U.S.: 22% |
24.2%±0.9Highest U.S.: 22% |
11.4%±2.8Lowest U.S.: 22% |
| Age 65+ | 17.8%±3.5 U.S.: 17.2% |
19.7%±2.4 U.S.: 17.2% |
13.2%±0.7Lowest U.S.: 17.2% |
24.4%±4.3Highest U.S.: 17.2% |
| Thompson and Killingly are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Bachelor’s degree+adults 25+ | 19.9%Lowest U.S.: 35.7% |
22.9%Highest U.S.: 35.7% |
20.5% U.S.: 35.7% |
21.9% U.S.: 35.7% |
| Enrolled in collegeshare of residents | 1.8%±1.1Lowest U.S.: 6.4% |
5.4%±1.9 U.S.: 6.4% |
7.5%±0.5Highest U.S.: 6.4% |
2.9%±1.3 U.S.: 6.4% |
| Springfield and Killingly are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Cost of living | ||||
| Household incomemedian | $78,719±$11k about the U.S. average |
$84,350±$8k 4% above U.S. |
$52,656±$2kLowest 35% below U.S. |
$93,629±$18kHighest 16% above U.S. |
| Thompson and Killingly are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Home valuemedian, owner-occupied | $275,900±$42k 17% below U.S. |
$288,600±$15k 13% below U.S. |
$245,000±$4kLowest 26% below U.S. |
$291,900±$24kHighest 12% below U.S. |
| Thompson and Killingly are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Rentmedian gross, monthly | $1,177±$65Highest 17% below U.S. |
$1,044±$141 26% below U.S. |
$1,144±$55 19% below U.S. |
$1,012±$344Lowest 28% below U.S. |
| Griswold and Springfield are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Property taxmedian, yearly | $4,628Highest 48% above U.S. |
$3,922 26% above U.S. |
$3,695Lowest 18% above U.S. |
$3,822 23% above U.S. |
| Renters paying 30%+of income on rent | 57.5%±15.5 U.S.: 51.1% |
42.8%±10.9Lowest U.S.: 51.1% |
57.7%±3.1Highest U.S.: 51.1% |
54%±18.7 U.S.: 51.1% |
| Springfield and Griswold are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Below poverty line | 7.6% U.S.: 12.5% |
11.4% U.S.: 12.5% |
25.8%Highest U.S.: 12.5% |
5.9%Lowest U.S.: 12.5% |
| Housing | ||||
| Homeownersof occupied homes | 73.3% U.S.: 65.2% |
71.6% U.S.: 65.2% |
49.6%Lowest U.S.: 65.2% |
84.3%Highest U.S.: 65.2% |
| Typical home builtmedian year | 1977Highest 3 yrs older than U.S. |
1968 12 yrs older than U.S. |
1952Lowest 28 yrs older than U.S. |
1963 17 yrs older than U.S. |
| Getting to work | ||||
| Average commuteone way | 31 min 17% above U.S. |
28 min 6% above U.S. |
20 minLowest 23% below U.S. |
32 minHighest 20% above U.S. |
| Work from home | 9%±3.6 U.S.: 15.1% |
11.1%±2.3 U.S.: 15.1% |
8.4%±0.9Lowest U.S.: 15.1% |
13.1%±4.4Highest U.S.: 15.1% |
| Thompson 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 | #118 of 149 in CT | #136 of 149 in CT | #276 of 282 in MA | #130 of 149 in CT |
| School district | Griswold School District | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Springfield | Thompson School District |
| High school in town | Griswold High School | Killingly High School | Springfield Central High | Tourtellotte Memorial High School |
| Students per teacherat that high school | 11.5 |
11.1 |
12.2Highest |
7.9Lowest |
| 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.



