Compare towns

Greenfield vs Killingly vs Gill

Cost, people, housing, commute and schools, side by side, each benchmarked against the U.S..

What stands out worked out from the figures below

Greenfield has the most renters (44.3% rent).
Killingly has the youngest population (median age 39.5).
Gill has the most people working from home (14.9%).

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.

MeasureGreenfieldKillinglyGill
People
Population
17,664
17,867Highest
1,740Lowest
Growth since 20102010 → 2020 census — —
+3.4%
U.S.: +7.4%
Median age
44.6±2.1Highest
15% above U.S.
39.5±3Lowest
about the U.S. average
43.8±2.6
13% above U.S.
Greenfield and Gill are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
18.3%±1.9Lowest
U.S.: 22%
19.8%±2.3Highest
U.S.: 22%
19%±8.7
U.S.: 22%
Killingly and Gill are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
23.4%±2.2Highest
U.S.: 17.2%
19.7%±2.4Lowest
U.S.: 17.2%
21.1%±1.7
U.S.: 17.2%
Greenfield and Gill are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
39.1%
U.S.: 35.7%
22.9%Lowest
U.S.: 35.7%
42.3%Highest
U.S.: 35.7%
Enrolled in collegeshare of residents
3.7%±0.9Lowest
U.S.: 6.4%
5.4%±1.9
U.S.: 6.4%
7.1%±2.6Highest
U.S.: 6.4%
Gill and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian
$55,614±$7kLowest
31% below U.S.
$84,350±$8k
4% above U.S.
$90,208±$14kHighest
12% above U.S.
Gill and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied
$263,100±$16kLowest
21% below U.S.
$288,600±$15k
13% below U.S.
$340,100±$17kHighest
about the U.S. average
Rentmedian gross, monthly
$1,107±$67
22% below U.S.
$1,044±$141Lowest
26% below U.S.
$1,193±$246Highest
16% below U.S.
Gill and Greenfield are within the Census margin of error here, so we can’t say which is really higher.
Property taxmedian, yearly
$4,769Highest
53% above U.S.
$3,922Lowest
26% above U.S.
$4,318
38% above U.S.
Renters paying 30%+of income on rent
63.2%±7.3Highest
U.S.: 51.1%
42.8%±10.9Lowest
U.S.: 51.1%
62.7%±10.4
U.S.: 51.1%
Greenfield and Gill are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
15.2%Highest
U.S.: 12.5%
11.4%
U.S.: 12.5%
5.8%Lowest
U.S.: 12.5%
Housing
Homeownersof occupied homes
55.7%Lowest
U.S.: 65.2%
71.6%
U.S.: 65.2%
82.3%Highest
U.S.: 65.2%
Typical home builtmedian year
1947Lowest
33 yrs older than U.S.
1968Highest
12 yrs older than U.S.
1968Highest
12 yrs older than U.S.
Getting to work
Average commuteone way
17 minLowest
34% below U.S.
28 minHighest
6% above U.S.
21 min
21% below U.S.
Work from home
11.9%±2.4
U.S.: 15.1%
11.1%±2.3Lowest
U.S.: 15.1%
14.9%±8Highest
U.S.: 15.1%
Gill and Greenfield 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 #257 of 282 in MA #136 of 149 in CT —
School district Greenfield Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS Gill-Montague
High school in town Greenfield High Killingly High School None in town
Students per teacherat that high school
10.9Lowest
11.1Highest
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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.