Compare towns
Cromwell vs Killingly vs Griswold vs Portland
Cost, people, housing, commute and schools, side by side, each benchmarked against Connecticut.
What stands out worked out from the figures below
Cromwell has the highest household income ($111k).
Killingly has the youngest population (median age 39.5).
Griswold has the oldest population (median age 48.1).
Portland has the oldest housing (typical home built 1955).
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 | Cromwell | Killingly | Griswold | Portland |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 14,334 |
17,867Highest |
11,530 |
5,944Lowest |
| Growth since 20102010 → 2020 census | — | — | — | -0.8% CT: +0.9% |
| Median age | 43.5±2.5 6% above CT |
39.5±3Lowest 4% below CT |
48.1±3.9Highest 17% above CT |
41.2±2.6 about the CT average |
| Griswold and Cromwell are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Kids under 18 | 19.1%±3.1 CT: 20.2% |
19.8%±2.3Highest CT: 20.2% |
18.5%±3.7Lowest CT: 20.2% |
19.2%±4.8 CT: 20.2% |
| Killingly and Portland are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Age 65+ | 22%±3.2Highest CT: 18.5% |
19.7%±2.4 CT: 18.5% |
17.8%±3.5Lowest CT: 18.5% |
19.3%±3.3 CT: 18.5% |
| Cromwell and Killingly are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Bachelor’s degree+adults 25+ | 49.2%Highest CT: 42.5% |
22.9% CT: 42.5% |
19.9%Lowest CT: 42.5% |
46.1% CT: 42.5% |
| Enrolled in collegeshare of residents | 6.4%±1.8 CT: 7.1% |
5.4%±1.9 CT: 7.1% |
1.8%±1.1Lowest CT: 7.1% |
9.3%±4.7Highest CT: 7.1% |
| Portland and Cromwell are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Cost of living | ||||
| Household incomemedian | $110,596±$10kHighest 15% above CT |
$84,350±$8k 12% below CT |
$78,719±$11kLowest 18% below CT |
$89,401±$21k 7% below CT |
| Cromwell and Portland are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Home valuemedian, owner-occupied | $325,200±$22kHighest 11% below CT |
$288,600±$15k 21% below CT |
$275,900±$42kLowest 25% below CT |
$282,300±$13k 23% below CT |
| Cromwell and Killingly are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Rentmedian gross, monthly | $1,628±$154Highest 9% above CT |
$1,044±$141Lowest 30% below CT |
$1,177±$65 21% below CT |
$1,122±$59 25% below CT |
| Property taxmedian, yearly | $6,137Highest 8% below CT |
$3,922Lowest 41% below CT |
$4,628 30% below CT |
$5,597 16% below CT |
| Renters paying 30%+of income on rent | 61%±11.9Highest CT: 52.6% |
42.8%±10.9Lowest CT: 52.6% |
57.5%±15.5 CT: 52.6% |
49.7%±21.2 CT: 52.6% |
| Cromwell and Griswold are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Below poverty line | 5.9% CT: 10% |
11.4%Highest CT: 10% |
7.6% CT: 10% |
4.7%Lowest CT: 10% |
| Housing | ||||
| Homeownersof occupied homes | 82.4%Highest CT: 66.5% |
71.6%Lowest CT: 66.5% |
73.3% CT: 66.5% |
77% CT: 66.5% |
| Typical home builtmedian year | 1976 9 yrs newer than CT |
1968 1 yr newer than CT |
1977Highest 10 yrs newer than CT |
1955Lowest 12 yrs older than CT |
| Getting to work | ||||
| Average commuteone way | 24 minLowest 11% below CT |
28 min 5% above CT |
31 minHighest 17% above CT |
31 min 15% above CT |
| Work from home | 18.4%±4 CT: 16% |
11.1%±2.3 CT: 16% |
9%±3.6Lowest CT: 16% |
18.5%±5.6Highest CT: 16% |
| Portland and Cromwell 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 | #69 of 149 in CT | #136 of 149 in CT | #118 of 149 in CT | #61 of 149 in CT |
| School district | Cromwell School District | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Griswold School District | — |
| High school in town | Cromwell High School | Killingly High School | Griswold High School | — |
| Students per teacherat that high school | 11.1Lowest |
11.1Lowest |
11.5Highest |
— |
| 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.



