Compare towns
Harmar vs Plum vs Cornwall
Cost, people, housing, commute and schools, side by side, each benchmarked against Pennsylvania.
What stands out worked out from the figures below
Harmar has the most affordable homes ($206k median).
Plum has the most people working from home (23.7%).
Cornwall has grown the fastest since 2010 (+12%).
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 | Harmar | Plum | Cornwall |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 3,075Lowest |
26,723Highest |
4,623 |
| Growth since 20102010 → 2020 census | +7.3% PA: +2.4% |
+0.1%Lowest PA: +2.4% |
+12%Highest PA: +2.4% |
| Median age | 59.8±2.7Highest 46% above PA |
44.4±1.6Lowest 9% above PA |
56.8±8.6 39% above PA |
| Harmar and Cornwall are within the Census margin of error here, so we can’t say which is really higher. | |||
| Kids under 18 | 12.3%±3.8Lowest PA: 20.4% |
21.2%±2.4Highest PA: 20.4% |
14.9%±4.7 PA: 20.4% |
| Plum and Cornwall are within the Census margin of error here, so we can’t say which is really higher. | |||
| Age 65+ | 36.7%±6.4 PA: 19.5% |
22.8%±2Lowest PA: 19.5% |
38.8%±6.5Highest PA: 19.5% |
| Cornwall and Harmar are within the Census margin of error here, so we can’t say which is really higher. | |||
| Bachelor’s degree+adults 25+ | 46.1% PA: 35.2% |
45%Lowest PA: 35.2% |
46.7%Highest PA: 35.2% |
| Enrolled in collegeshare of residents | 1.9%±1.5Lowest PA: 6.1% |
4.3%±1.1Highest PA: 6.1% |
3.9%±2.7 PA: 6.1% |
| Plum and Cornwall are within the Census margin of error here, so we can’t say which is really higher. | |||
| Cost of living | |||
| Household incomemedian | $65,075±$10kLowest 17% below PA |
$98,705±$4k 27% above PA |
$107,583±$14kHighest 38% above PA |
| Cornwall and Plum are within the Census margin of error here, so we can’t say which is really higher. | |||
| Home valuemedian, owner-occupied | $206,200±$31kLowest 19% below PA |
$227,600±$7k 11% below PA |
$333,700±$26kHighest 31% above PA |
| Rentmedian gross, monthly | $935±$141Lowest 23% below PA |
$1,177±$55 about the PA average |
$3,023±$330Highest 150% above PA |
| Property taxmedian, yearly | $3,032Lowest 8% below PA |
$3,948 19% above PA |
$4,639Highest 40% above PA |
| Renters paying 30%+of income on rent | 45.5%±16.5 PA: 48.2% |
40.4%±8.8Lowest PA: 48.2% |
69%±20.5Highest PA: 48.2% |
| Cornwall and Harmar are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 14.8%Highest PA: 11.7% |
3.6% PA: 11.7% |
2.1%Lowest PA: 11.7% |
| Housing | |||
| Homeownersof occupied homes | 75.5%Lowest PA: 69.3% |
80.7%Highest PA: 69.3% |
77.2% PA: 69.3% |
| Typical home builtmedian year | 1965Lowest same as PA |
1972 7 yrs newer than PA |
1986Highest 21 yrs newer than PA |
| Getting to work | |||
| Average commuteone way | 25 minLowest 6% below PA |
31 minHighest 18% above PA |
26 min about the PA average |
| Work from home | 9.9%±5.4Lowest PA: 15.6% |
23.7%±2.8Highest PA: 15.6% |
11.4%±4.6 PA: 15.6% |
| Schools | |||
| Public school scoresrank in state, math + reading | #504 of 764 in PA | #340 of 764 in PA | #167 of 764 in PA |
| School district | Allegheny Valley SD | Plum Borough SD | Cornwall-Lebanon SD |
| High school in town | None in town | Plum SHS | None in town |
| Students per teacherat that high school | — | 17.5 |
— |
| On TownTapestry | |||
| Old photos in History | None yet | None yet | None yet |
PA 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.


