Compare towns
Plainfield vs Old Lyme
Cost, people, housing, commute and schools, side by side, each benchmarked against Connecticut.
What stands out worked out from the figures below
Plainfield has the most affordable homes ($272k median).
Old Lyme has the most people working from home (24.2%).
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 | Plainfield | Old Lyme |
|---|---|---|
| Your priorities | ||
| People | ||
| Population | 15,141Highest |
7,679Lowest |
| Median age | 37±4.5Lowest 10% below CT |
50.6±3.3Highest 23% above CT |
| Kids under 18 | 19.4%±2.6Lowest CT: 20.2% |
20.3%±3.1Highest CT: 20.2% |
| Old Lyme and Plainfield are within the Census margin of error here, so we can’t say which is really higher. | ||
| Age 65+ | 16.6%±2.4Lowest CT: 18.5% |
26.4%±3.1Highest CT: 18.5% |
| Bachelor’s degree+adults 25+ | 15%Lowest CT: 42.5% |
56.5%Highest CT: 42.5% |
| Enrolled in collegeshare of residents | 5.6%±1.8Highest CT: 7.1% |
2.4%±1.2Lowest CT: 7.1% |
| Cost of living | ||
| Household incomemedian | $76,993±$8kLowest 20% below CT |
$131,899±$11kHighest 38% above CT |
| Home valuemedian, owner-occupied | $272,100±$16kLowest 26% below CT |
$484,200±$21kHighest 32% above CT |
| Rentmedian gross, monthly | $1,204±$70Lowest 19% below CT |
$2,238±$295Highest 50% above CT |
| Property taxmedian, yearly | $4,209Lowest 37% below CT |
$6,284Highest 5% below CT |
| Renters paying 30%+of income on rent | 39.8%±9.5Lowest CT: 52.6% |
51.6%±17.2Highest CT: 52.6% |
| Old Lyme and Plainfield are within the Census margin of error here, so we can’t say which is really higher. | ||
| Below poverty line | 8.7%Highest CT: 10% |
2.9%Lowest CT: 10% |
| Housing | ||
| Homeownersof occupied homes | 73.6%Lowest CT: 66.5% |
88.8%Highest CT: 66.5% |
| Typical home builtmedian year | 1971Highest 4 yrs newer than CT |
1965Lowest 2 yrs older than CT |
| Getting to work | ||
| Average commuteone way | 27 minLowest about the CT average |
27 minHighest about the CT average |
| Work from home | 10%±4Lowest CT: 16% |
24.2%±5.7Highest CT: 16% |
| Schools | ||
| Public school scoresrank in state, math + reading | #131 of 149 in CT | #10 of 149 in CT |
| School district | Plainfield School District | Regional School District 18 |
| High school in town | Plainfield High School | Lyme-Old Lyme High School |
| Students per teacherat that high school | 10.3Highest |
9.6Lowest |
| On TownTapestry | ||
| Old photos in History | 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.

