Compare towns
Killingly vs Griswold vs Millis vs Putnam
Cost, people, housing, commute and schools, side by side, each benchmarked against the U.S..
What stands out worked out from the figures below
Killingly has the youngest population (median age 39.5).
Griswold has the oldest population (median age 48.1).
Millis has the most expensive homes ($604k median).
Putnam has the most renters (40.2% rent).
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 | Griswold | Millis | Putnam |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 17,867Highest |
11,530 |
8,888Lowest |
9,292 |
| Growth since 20102010 → 2020 census | — | — | +7.2% U.S.: +7.4% |
— |
| Median age | 39.5±3Lowest about the U.S. average |
48.1±3.9Highest 24% above U.S. |
46.4±3 19% above U.S. |
43.7±3 12% 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 | 19.8%±2.3Highest U.S.: 22% |
18.5%±3.7 U.S.: 22% |
18.4%±2.8Lowest U.S.: 22% |
18.6%±3.6 U.S.: 22% |
| Killingly and Putnam are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Age 65+ | 19.7%±2.4 U.S.: 17.2% |
17.8%±3.5Lowest U.S.: 17.2% |
23.5%±3.9Highest U.S.: 17.2% |
18.5%±3.1 U.S.: 17.2% |
| Millis 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% U.S.: 35.7% |
19.9%Lowest U.S.: 35.7% |
54.5%Highest U.S.: 35.7% |
20% U.S.: 35.7% |
| Enrolled in collegeshare of residents | 5.4%±1.9Highest U.S.: 6.4% |
1.8%±1.1Lowest U.S.: 6.4% |
4.9%±1.6 U.S.: 6.4% |
3.9%±1.4 U.S.: 6.4% |
| Killingly and Millis 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 4% above U.S. |
$78,719±$11k about the U.S. average |
$155,996±$9kHighest 93% above U.S. |
$70,561±$7kLowest 13% below U.S. |
| Home valuemedian, owner-occupied | $288,600±$15k 13% below U.S. |
$275,900±$42k 17% below U.S. |
$603,500±$31kHighest 81% above U.S. |
$269,200±$11kLowest 19% below U.S. |
| Rentmedian gross, monthly | $1,044±$141Lowest 26% below U.S. |
$1,177±$65 17% below U.S. |
$1,696±$279Highest 20% above U.S. |
$1,149±$44 19% below U.S. |
| Property taxmedian, yearly | $3,922 26% above U.S. |
$4,628 48% above U.S. |
$9,344Highest 200% above U.S. |
$3,860Lowest 24% above U.S. |
| Renters paying 30%+of income on rent | 42.8%±10.9 U.S.: 51.1% |
57.5%±15.5Highest U.S.: 51.1% |
56.5%±16.6 U.S.: 51.1% |
37.7%±11.6Lowest 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 | 11.4% U.S.: 12.5% |
7.6% U.S.: 12.5% |
4.8%Lowest U.S.: 12.5% |
11.5%Highest U.S.: 12.5% |
| Housing | ||||
| Homeownersof occupied homes | 71.6% U.S.: 65.2% |
73.3% U.S.: 65.2% |
83.2%Highest U.S.: 65.2% |
59.8%Lowest U.S.: 65.2% |
| Typical home builtmedian year | 1968 12 yrs older than U.S. |
1977Highest 3 yrs older than U.S. |
1974 6 yrs older than U.S. |
1961Lowest 19 yrs older than U.S. |
| Getting to work | ||||
| Average commuteone way | 28 min 6% above U.S. |
31 minHighest 17% above U.S. |
31 min 16% above U.S. |
25 minLowest 6% below U.S. |
| Work from home | 11.1%±2.3 U.S.: 15.1% |
9%±3.6Lowest U.S.: 15.1% |
17.5%±4.2Highest U.S.: 15.1% |
9%±2.8Lowest 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 | #136 of 149 in CT | #118 of 149 in CT | #63 of 282 in MA | #128 of 149 in CT |
| School district | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Griswold School District | Millis | Putnam School District |
| High school in town | Killingly High School | Griswold High School | Millis High School | Putnam High School |
| Students per teacherat that high school | 11.1 |
11.5Highest |
10.7 |
9.5Lowest |
| 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.



