Compare towns
Killingly vs Griswold vs Smithfield vs Plainfield
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 most renters (28.4% rent).
Griswold has the oldest population (median age 48.1).
Smithfield has the most expensive homes ($446k median).
Plainfield has the youngest population (median age 37).
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 | Smithfield | Plainfield |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 17,867 |
11,530Lowest |
22,233Highest |
15,141 |
| Growth since 20102010 → 2020 census | — | — | +3.2% U.S.: +7.4% |
— |
| Median age | 39.5±3 about the U.S. average |
48.1±3.9Highest 24% above U.S. |
41.8±2.6 7% above U.S. |
37±4.5Lowest 5% below U.S. |
| Griswold and Smithfield 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% |
16.9%±2.4Lowest U.S.: 22% |
19.4%±2.6 U.S.: 22% |
| Killingly and Plainfield 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%±3.5 U.S.: 17.2% |
21.1%±2.1Highest U.S.: 17.2% |
16.6%±2.4Lowest U.S.: 17.2% |
| Smithfield 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% U.S.: 35.7% |
40%Highest U.S.: 35.7% |
15%Lowest U.S.: 35.7% |
| Enrolled in collegeshare of residents | 5.4%±1.9 U.S.: 6.4% |
1.8%±1.1Lowest U.S.: 6.4% |
16.7%±0.9Highest U.S.: 6.4% |
5.6%±1.8 U.S.: 6.4% |
| Cost of living | ||||
| Household incomemedian | $84,350±$8k 4% above U.S. |
$78,719±$11k about the U.S. average |
$102,077±$8kHighest 26% above U.S. |
$76,993±$8kLowest 5% below U.S. |
| Home valuemedian, owner-occupied | $288,600±$15k 13% below U.S. |
$275,900±$42k 17% below U.S. |
$446,400±$12kHighest 34% above U.S. |
$272,100±$16kLowest 18% below U.S. |
| Rentmedian gross, monthly | $1,044±$141 26% below U.S. |
$1,177±$65 17% below U.S. |
$1,016±$241Lowest 28% below U.S. |
$1,204±$70Highest 15% below U.S. |
| Plainfield and Griswold are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Property taxmedian, yearly | $3,922Lowest 26% above U.S. |
$4,628 48% above U.S. |
$5,207Highest 67% above U.S. |
$4,209 35% 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% |
57.1%±17.7 U.S.: 51.1% |
39.8%±9.5Lowest U.S.: 51.1% |
| Griswold and Smithfield are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Below poverty line | 11.4%Highest U.S.: 12.5% |
7.6% U.S.: 12.5% |
6.2%Lowest U.S.: 12.5% |
8.7% U.S.: 12.5% |
| Housing | ||||
| Homeownersof occupied homes | 71.6%Lowest U.S.: 65.2% |
73.3% U.S.: 65.2% |
81.6%Highest U.S.: 65.2% |
73.6% U.S.: 65.2% |
| Typical home builtmedian year | 1968Lowest 12 yrs older than U.S. |
1977Highest 3 yrs older than U.S. |
1976 4 yrs older than U.S. |
1971 9 yrs older than U.S. |
| Getting to work | ||||
| Average commuteone way | 28 min 6% above U.S. |
31 minHighest 17% above U.S. |
25 minLowest 7% below U.S. |
27 min about the U.S. average |
| Work from home | 11.1%±2.3 U.S.: 15.1% |
9%±3.6Lowest U.S.: 15.1% |
14%±3.1Highest U.S.: 15.1% |
10%±4 U.S.: 15.1% |
| Smithfield 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 | #8 of 38 in RI | #131 of 149 in CT |
| School district | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Griswold School District | Smithfield | Plainfield School District |
| High school in town | Killingly High School | Griswold High School | Smithfield High School | Plainfield High School |
| Students per teacherat that high school | 11.1 |
11.5 |
11.8Highest |
10.3Lowest |
| 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.