Compare towns

Springfield vs Killingly vs Grantham

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

What stands out worked out from the figures below

Springfield has the most people working from home (16.7%).
Killingly has the youngest population (median age 39.5).
Grantham has the shortest commute (23 min average).

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.

MeasureSpringfieldKillinglyGrantham
People
Population
1,122Lowest
17,867Highest
3,465
Growth since 20102010 → 2020 census
-4%Lowest
U.S.: +7.4%
—
+14%Highest
U.S.: +7.4%
Median age
51.4±8.8Highest
32% above U.S.
39.5±3Lowest
about the U.S. average
50.4±7.5
30% above U.S.
Springfield and Grantham are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
15.1%±8Lowest
U.S.: 22%
19.8%±2.3Highest
U.S.: 22%
19.1%±6.6
U.S.: 22%
Killingly and Grantham are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
19.8%±1.6Highest
U.S.: 17.2%
19.7%±2.4
U.S.: 17.2%
17%±6.9Lowest
U.S.: 17.2%
Springfield and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
36.4%
U.S.: 35.7%
22.9%Lowest
U.S.: 35.7%
59.6%Highest
U.S.: 35.7%
Enrolled in collegeshare of residents
0%±1.5Lowest
U.S.: 6.4%
5.4%±1.9Highest
U.S.: 6.4%
4.8%±6
U.S.: 6.4%
Killingly and Grantham are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian
$100,893±$19k
25% above U.S.
$84,350±$8kLowest
4% above U.S.
$106,403±$54kHighest
32% above U.S.
Grantham and Springfield are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied
$384,100±$50kHighest
15% above U.S.
$288,600±$15kLowest
13% below U.S.
$343,100±$39k
3% above U.S.
Springfield and Grantham are within the Census margin of error here, so we can’t say which is really higher.
Rentmedian gross, monthly
$1,096±$217Highest
22% below U.S.
$1,044±$141Lowest
26% below U.S.
—
Springfield and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Property taxmedian, yearly
$5,946
91% above U.S.
$3,922Lowest
26% above U.S.
$7,605Highest
144% above U.S.
Renters paying 30%+of income on rent
25.9%±64.8Lowest
U.S.: 51.1%
42.8%±10.9Highest
U.S.: 51.1%
—
Killingly and Springfield are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
3.4%
U.S.: 12.5%
11.4%Highest
U.S.: 12.5%
0%Lowest
U.S.: 12.5%
Housing
Homeownersof occupied homes
90.7%
U.S.: 65.2%
71.6%Lowest
U.S.: 65.2%
100%Highest
U.S.: 65.2%
Typical home builtmedian year
1985
5 yrs newer than U.S.
1968Lowest
12 yrs older than U.S.
1987Highest
7 yrs newer than U.S.
Getting to work
Average commuteone way
34 minHighest
30% above U.S.
28 min
6% above U.S.
23 minLowest
15% below U.S.
Work from home
16.7%±11.6Highest
U.S.: 15.1%
11.1%±2.3Lowest
U.S.: 15.1%
13.8%±6.2
U.S.: 15.1%
Springfield and Grantham 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 #6 of 120 in NH
School district — Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS Grantham School District
High school in town — Killingly High School None in town
Students per teacherat that high school —
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.