Compare towns
Killingly vs Millis vs Northbridge 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 oldest housing (typical home built 1968).
Millis has the highest household income ($156k).
Northbridge has the most kids (21.1% under 18).
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 | Millis | Northbridge | Plainfield |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 17,867Highest |
8,888Lowest |
16,458 |
15,141 |
| Growth since 20102010 → 2020 census | — | +7.2%Highest U.S.: +7.4% |
+4%Lowest U.S.: +7.4% |
— |
| Median age | 39.5±3 about the U.S. average |
46.4±3Highest 19% above U.S. |
43.8±2.6 13% above U.S. |
37±4.5Lowest 5% below U.S. |
| Millis and Northbridge are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Kids under 18 | 19.8%±2.3 U.S.: 22% |
18.4%±2.8Lowest U.S.: 22% |
21.1%±2.9Highest U.S.: 22% |
19.4%±2.6 U.S.: 22% |
| Northbridge 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 U.S.: 17.2% |
23.5%±3.9Highest U.S.: 17.2% |
16.4%±2.1Lowest U.S.: 17.2% |
16.6%±2.4 U.S.: 17.2% |
| Millis 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% |
54.5%Highest U.S.: 35.7% |
36.9% U.S.: 35.7% |
15%Lowest U.S.: 35.7% |
| Enrolled in collegeshare of residents | 5.4%±1.9 U.S.: 6.4% |
4.9%±1.6 U.S.: 6.4% |
4.3%±1.3Lowest U.S.: 6.4% |
5.6%±1.8Highest U.S.: 6.4% |
| 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 4% above U.S. |
$155,996±$9kHighest 93% above U.S. |
$111,319±$19k 38% above U.S. |
$76,993±$8kLowest 5% below U.S. |
| Home valuemedian, owner-occupied | $288,600±$15k 13% below U.S. |
$603,500±$31kHighest 81% above U.S. |
$448,600±$15k 35% above U.S. |
$272,100±$16kLowest 18% below U.S. |
| Rentmedian gross, monthly | $1,044±$141Lowest 26% below U.S. |
$1,696±$279Highest 20% above U.S. |
$1,207±$102 15% below U.S. |
$1,204±$70 15% below U.S. |
| Property taxmedian, yearly | $3,922Lowest 26% above U.S. |
$9,344Highest 200% above U.S. |
$4,821 55% above U.S. |
$4,209 35% above U.S. |
| Renters paying 30%+of income on rent | 42.8%±10.9 U.S.: 51.1% |
56.5%±16.6Highest U.S.: 51.1% |
51.2%±9.8 U.S.: 51.1% |
39.8%±9.5Lowest U.S.: 51.1% |
| Millis and Northbridge 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% |
4.8%Lowest U.S.: 12.5% |
7.9% U.S.: 12.5% |
8.7% U.S.: 12.5% |
| Housing | ||||
| Homeownersof occupied homes | 71.6% U.S.: 65.2% |
83.2%Highest U.S.: 65.2% |
70.5%Lowest U.S.: 65.2% |
73.6% U.S.: 65.2% |
| Typical home builtmedian year | 1968Lowest 12 yrs older than U.S. |
1974Highest 6 yrs older than U.S. |
1973 7 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 min 16% above U.S. |
31 minHighest 17% above U.S. |
27 minLowest about the U.S. average |
| Work from home | 11.1%±2.3 U.S.: 15.1% |
17.5%±4.2Highest U.S.: 15.1% |
16.2%±3.6 U.S.: 15.1% |
10%±4Lowest U.S.: 15.1% |
| Millis and Northbridge 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 | #63 of 282 in MA | #226 of 282 in MA | #131 of 149 in CT |
| School district | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Millis | Northbridge | Plainfield School District |
| High school in town | Killingly High School | Millis High School | Northbridge High | Plainfield High School |
| Students per teacherat that high school | 11.1Highest |
10.7 |
10.8 |
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.



