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.

MeasureHarmarPlumCornwall
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.