Greencastle vs Mercersburg

A side-by-side comparison of Greencastle and Mercersburg: population, income, housing, and more.

Greencastle and Mercersburg are places in Pennsylvania. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Greencastle has the higher population (4,237 vs 1,940 in Mercersburg). Greencastle has the higher median household income ($74,725 vs $69,583 in Mercersburg). Greencastle has the higher median home value ($255,200 vs $210,400 in Mercersburg).

Population, income & housing

	Greencastle	Mercersburg
Population	4,237	1,940
Median age	42.6 yrs	46.3 yrs
Median household income	$74,725	$69,583
Median home value	$255,200	$210,400
Median gross rent	$886	$784
Housing units	1,853	879
Homeownership rate	65.0%	59.3%
Bachelor's degree or higher	29.2%	19.2%
Unemployment rate	2.2%	4.8%

Trends (ACS 5-year, 2019–2023)

	Greencastle	Mercersburg
Population	4,013 → 4,237 (+5.6%)	1,633 → 1,940 (+18.8%)
Median household income	$63,993 → $74,725 (+16.8%)	$51,597 → $69,583 (+34.9%)
Median home value	$172,700 → $255,200 (+47.8%)	$175,300 → $210,400 (+20.0%)
Median gross rent	$866 → $886 (+2.3%)	$783 → $784 (+0.1%)

Greencastle

Population

4,0134,237

Median household income

$63,993$74,725

Median home value

$172,700$255,200

Median gross rent

$866$886

Mercersburg

Population

1,6331,940

Median household income

$51,597$69,583

Median home value

$175,300$210,400

Median gross rent

$783$784

Age & race/ethnicity

Age distribution (share)

	Greencastle	Mercersburg
Under 5	9.7%	5.3%
5 to 17	16.7%	12.8%
18 to 24	6.0%	7.7%
25 to 34	9.4%	13.2%
35 to 44	12.8%	10.3%
45 to 54	8.2%	14.6%
55 to 64	17.5%	17.7%
65 to 74	10.5%	8.0%
75 and over	9.2%	10.4%

Race & ethnicity (share)

	Greencastle	Mercersburg
White (non-Hispanic)	93.2%	88.8%
Black or African American	1.5%	3.2%
American Indian & Alaska Native	0.0%	0.0%
Asian	2.0%	1.2%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	3.1%	3.7%
Hispanic or Latino	0.1%	3.0%

Educational attainment (age 25+)

Share of adults 25+

	Greencastle	Mercersburg
No high school diploma	4.7%	11.3%
High school graduate	35.8%	48.6%
Some college or associate's	30.3%	20.9%
Bachelor's degree	11.4%	9.8%
Graduate or professional degree	17.9%	9.4%

Commute to work

How workers get to work (share)

	Greencastle	Mercersburg
Drove alone	80.7%	76.1%
Carpooled	4.3%	8.1%
Public transit	0.1%	0.0%
Walked	2.9%	9.2%
Bicycle	0.0%	0.0%
Worked from home	11.1%	6.2%
Other means	0.9%	0.4%

Housing

Units in structure (share)

	Greencastle	Mercersburg
1-unit, detached	60.8%	59.2%
1-unit, attached	7.2%	13.3%
2 to 4 units	20.4%	15.6%
5 to 19 units	5.2%	5.7%
20 or more units	4.6%	5.2%
Mobile home & other	1.8%	1.0%

Poverty & households

	Greencastle	Mercersburg
Poverty rate	4.5%	10.4%
Average household size	2.54	2.39
Mean commute (minutes)	19	29
Median year structure built	1969	1948