Compare towns
Griswold vs Killingly vs Millis vs Plainville
Cost, people, housing, commute and schools, side by side, each benchmarked against the U.S..
What stands out worked out from the figures below
Griswold has the oldest population (median age 48.1).
Killingly has the youngest population (median age 39.5).
Millis has the most expensive homes ($604k median).
Plainville has the shortest commute (21 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 | Griswold | Killingly | Millis | Plainville |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 11,530 |
17,867Highest |
8,888Lowest |
17,551 |
| Growth since 20102010 → 2020 census | — | — | +7.2% U.S.: +7.4% |
— |
| Median age | 48.1±3.9Highest 24% above U.S. |
39.5±3Lowest about the U.S. average |
46.4±3 19% above U.S. |
44.3±1.5 14% above U.S. |
| Griswold and Millis 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%±2.3Highest U.S.: 22% |
18.4%±2.8 U.S.: 22% |
15.6%±2.3Lowest U.S.: 22% |
| Killingly and Griswold are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Age 65+ | 17.8%±3.5Lowest U.S.: 17.2% |
19.7%±2.4 U.S.: 17.2% |
23.5%±3.9Highest U.S.: 17.2% |
20.1%±2.8 U.S.: 17.2% |
| Millis and Plainville 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% U.S.: 35.7% |
54.5%Highest U.S.: 35.7% |
30% 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% |
4.9%±1.6 U.S.: 6.4% |
6.2%±1.6Highest U.S.: 6.4% |
| Plainville 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±$11kLowest about the U.S. average |
$84,350±$8k 4% above U.S. |
$155,996±$9kHighest 93% above U.S. |
$84,343±$7k 4% above U.S. |
| Home valuemedian, owner-occupied | $275,900±$42k 17% below U.S. |
$288,600±$15k 13% below U.S. |
$603,500±$31kHighest 81% above U.S. |
$254,000±$14kLowest 24% below U.S. |
| Rentmedian gross, monthly | $1,177±$65 17% below U.S. |
$1,044±$141Lowest 26% below U.S. |
$1,696±$279Highest 20% above U.S. |
$1,126±$147 20% below U.S. |
| Property taxmedian, yearly | $4,628 48% above U.S. |
$3,922Lowest 26% above U.S. |
$9,344Highest 200% above U.S. |
$4,798 54% above U.S. |
| Renters paying 30%+of income on rent | 57.5%±15.5Highest U.S.: 51.1% |
42.8%±10.9 U.S.: 51.1% |
56.5%±16.6 U.S.: 51.1% |
40.3%±12.4Lowest U.S.: 51.1% |
| Griswold and Millis 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%Highest U.S.: 12.5% |
4.8%Lowest U.S.: 12.5% |
6.5% U.S.: 12.5% |
| Housing | ||||
| Homeownersof occupied homes | 73.3% U.S.: 65.2% |
71.6% U.S.: 65.2% |
83.2%Highest U.S.: 65.2% |
67.7%Lowest U.S.: 65.2% |
| Typical home builtmedian year | 1977Highest 3 yrs older than U.S. |
1968Lowest 12 yrs older than U.S. |
1974 6 yrs older than U.S. |
1971 9 yrs older than U.S. |
| Getting to work | ||||
| Average commuteone way | 31 minHighest 17% above U.S. |
28 min 6% above U.S. |
31 min 16% above U.S. |
21 minLowest 20% below U.S. |
| Work from home | 9%±3.6Lowest U.S.: 15.1% |
11.1%±2.3 U.S.: 15.1% |
17.5%±4.2Highest U.S.: 15.1% |
10.7%±2 U.S.: 15.1% |
| Millis 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 | #63 of 282 in MA | #89 of 149 in CT |
| School district | Griswold School District | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Millis | Judicial Centers · Plainville School District |
| High school in town | Griswold High School | Killingly High School | Millis High School | Plainville High School |
| Students per teacherat that high school | 11.5Highest |
11.1 |
10.7Lowest |
11.4 |
| 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.