Compare towns

Killingly vs Old Lyme vs Thompson vs Plainfield

Cost, people, housing, commute and schools, side by side, each benchmarked against Connecticut.

What stands out worked out from the figures below

Killingly has the most renters (28.4% rent).
Old Lyme has the most people working from home (24.2%).
Thompson has the oldest population (median age 54.1).
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.

MeasureKillinglyOld LymeThompsonPlainfield
People
Population
17,867Highest
7,679Lowest
9,337
15,141
Median age
39.5±3
4% below CT
50.6±3.3
23% above CT
54.1±2.2Highest
32% above CT
37±4.5Lowest
10% below CT
Thompson and Old Lyme are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
19.8%±2.3
CT: 20.2%
20.3%±3.1Highest
CT: 20.2%
11.4%±2.8Lowest
CT: 20.2%
19.4%±2.6
CT: 20.2%
Old Lyme and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
19.7%±2.4
CT: 18.5%
26.4%±3.1Highest
CT: 18.5%
24.4%±4.3
CT: 18.5%
16.6%±2.4Lowest
CT: 18.5%
Old Lyme and Thompson are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
22.9%
CT: 42.5%
56.5%Highest
CT: 42.5%
21.9%
CT: 42.5%
15%Lowest
CT: 42.5%
Enrolled in collegeshare of residents
5.4%±1.9
CT: 7.1%
2.4%±1.2Lowest
CT: 7.1%
2.9%±1.3
CT: 7.1%
5.6%±1.8Highest
CT: 7.1%
Plainfield and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian
$84,350±$8k
12% below CT
$131,899±$11kHighest
38% above CT
$93,629±$18k
about the CT average
$76,993±$8kLowest
20% below CT
Home valuemedian, owner-occupied
$288,600±$15k
21% below CT
$484,200±$21kHighest
32% above CT
$291,900±$24k
20% below CT
$272,100±$16kLowest
26% below CT
Rentmedian gross, monthly
$1,044±$141
30% below CT
$2,238±$295Highest
50% above CT
$1,012±$344Lowest
32% below CT
$1,204±$70
19% below CT
Property taxmedian, yearly
$3,922
41% below CT
$6,284Highest
5% below CT
$3,822Lowest
42% below CT
$4,209
37% below CT
Renters paying 30%+of income on rent
42.8%±10.9
CT: 52.6%
51.6%±17.2
CT: 52.6%
54%±18.7Highest
CT: 52.6%
39.8%±9.5Lowest
CT: 52.6%
Thompson and Old Lyme are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
11.4%Highest
CT: 10%
2.9%Lowest
CT: 10%
5.9%
CT: 10%
8.7%
CT: 10%
Housing
Homeownersof occupied homes
71.6%Lowest
CT: 66.5%
88.8%Highest
CT: 66.5%
84.3%
CT: 66.5%
73.6%
CT: 66.5%
Typical home builtmedian year
1968
1 yr newer than CT
1965
2 yrs older than CT
1963Lowest
4 yrs older than CT
1971Highest
4 yrs newer than CT
Getting to work
Average commuteone way
28 min
5% above CT
27 min
about the CT average
32 minHighest
20% above CT
27 minLowest
about the CT average
Work from home
11.1%±2.3
CT: 16%
24.2%±5.7Highest
CT: 16%
13.1%±4.4
CT: 16%
10%±4Lowest
CT: 16%
Schools
Public school scoresrank in state, math + reading #136 of 149 in CT #10 of 149 in CT #130 of 149 in CT #131 of 149 in CT
School district Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS Regional School District 18 Thompson School District Plainfield School District
High school in town Killingly High School Lyme-Old Lyme High School Tourtellotte Memorial High School Plainfield High School
Students per teacherat that high school
11.1Highest
9.6
7.9Lowest
10.3
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.