Compare towns
Griswold vs Johnston vs Killingly
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).
Johnston has the most expensive homes ($356k median).
Killingly has the most people working from home (11.1%).
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 | Johnston | Killingly |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 11,530Lowest |
29,835Highest |
17,867 |
| Growth since 20102010 → 2020 census | — | +2.8% U.S.: +7.4% |
— |
| Median age | 48.1±3.9Highest 24% above U.S. |
44.5±2.5 14% above U.S. |
39.5±3Lowest about the U.S. average |
| Griswold and Johnston 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% |
17.5%±2.4Lowest U.S.: 22% |
19.8%±2.3Highest 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% |
22.1%±2.6Highest U.S.: 17.2% |
19.7%±2.4 U.S.: 17.2% |
| Johnston 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% |
28.9%Highest U.S.: 35.7% |
22.9% U.S.: 35.7% |
| Enrolled in collegeshare of residents | 1.8%±1.1Lowest U.S.: 6.4% |
6.1%±1.6Highest U.S.: 6.4% |
5.4%±1.9 U.S.: 6.4% |
| Johnston 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 |
$91,866±$6kHighest 14% above U.S. |
$84,350±$8k 4% above U.S. |
| Johnston 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±$42kLowest 17% below U.S. |
$355,500±$13kHighest 7% above U.S. |
$288,600±$15k 13% below U.S. |
| Rentmedian gross, monthly | $1,177±$65 17% below U.S. |
$1,275±$132Highest 10% below U.S. |
$1,044±$141Lowest 26% below U.S. |
| Johnston and Griswold 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. |
$4,614 48% above U.S. |
$3,922Lowest 26% above U.S. |
| Renters paying 30%+of income on rent | 57.5%±15.5Highest U.S.: 51.1% |
38.1%±8.7Lowest U.S.: 51.1% |
42.8%±10.9 U.S.: 51.1% |
| Griswold and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 7.6%Lowest U.S.: 12.5% |
7.9% U.S.: 12.5% |
11.4%Highest U.S.: 12.5% |
| Housing | |||
| Homeownersof occupied homes | 73.3% U.S.: 65.2% |
75.9%Highest U.S.: 65.2% |
71.6%Lowest U.S.: 65.2% |
| Typical home builtmedian year | 1977Highest 3 yrs older than U.S. |
1968Lowest 12 yrs older than U.S. |
1968Lowest 12 yrs older than U.S. |
| Getting to work | |||
| Average commuteone way | 31 minHighest 17% above U.S. |
24 minLowest 11% below U.S. |
28 min 6% above U.S. |
| Work from home | 9%±3.6Lowest U.S.: 15.1% |
9.9%±2.3 U.S.: 15.1% |
11.1%±2.3Highest U.S.: 15.1% |
| Killingly and Johnston 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 | #32 of 38 in RI | #136 of 149 in CT |
| School district | Griswold School District | Johnston | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS |
| High school in town | Griswold High School | Johnston Senior High | Killingly High School |
| Students per teacherat that high school | 11.5Highest |
10.3Lowest |
11.1 |
| On TownTapestry | |||
| Old photos in History | 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.