Petersburg vs Rockhill

A side-by-side comparison of Petersburg and Rockhill: population, income, housing, and more.

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

Rockhill has the higher population (380 vs 343 in Petersburg). Rockhill has the higher median household income ($74,375 vs $71,250 in Petersburg). Rockhill has the higher median home value ($142,500 vs $104,900 in Petersburg).

Population, income & housing

	Petersburg	Rockhill
Population	343	380
Median age	37.1 yrs	49.0 yrs
Median household income	$71,250	$74,375
Median home value	$104,900	$142,500
Median gross rent	$855	$1,102
Housing units	150	146
Homeownership rate	68.4%	79.4%
Bachelor's degree or higher	3.6%	10.6%
Unemployment rate	9.0%	2.0%

Trends (ACS 5-year, 2019–2023)

	Petersburg	Rockhill
Population	479 → 343 (-28.4%)	401 → 380 (-5.2%)
Median household income	$41,618 → $71,250 (+71.2%)	$50,625 → $74,375 (+46.9%)
Median home value	$83,200 → $104,900 (+26.1%)	$86,500 → $142,500 (+64.7%)
Median gross rent	$873 → $855 (-2.1%)	—

Petersburg

Population

479343

Median household income

$41,618$71,250

Median home value

$83,200$104,900

Median gross rent

$873$855

Rockhill

Population

401380

Median household income

$50,625$74,375

Median home value

$86,500$142,500

Age & race/ethnicity

Age distribution (share)

	Petersburg	Rockhill
Under 5	6.1%	3.2%
5 to 17	19.5%	18.9%
18 to 24	9.6%	3.7%
25 to 34	12.5%	2.4%
35 to 44	14.9%	12.9%
45 to 54	15.7%	18.9%
55 to 64	5.2%	20.3%
65 to 74	8.2%	8.7%
75 and over	8.2%	11.1%

Race & ethnicity (share)

	Petersburg	Rockhill
White (non-Hispanic)	99.1%	95.5%
Black or African American	0.0%	3.9%
American Indian & Alaska Native	0.0%	0.0%
Asian	0.0%	0.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	0.9%	0.5%
Hispanic or Latino	0.0%	0.0%

Educational attainment (age 25+)

Share of adults 25+

	Petersburg	Rockhill
No high school diploma	8.1%	14.2%
High school graduate	60.4%	55.0%
Some college or associate's	27.9%	20.2%
Bachelor's degree	2.7%	3.5%
Graduate or professional degree	0.9%	7.1%

Commute to work

How workers get to work (share)

	Petersburg	Rockhill
Drove alone	82.0%	71.4%
Carpooled	9.0%	22.1%
Public transit	0.0%	0.0%
Walked	5.6%	2.5%
Bicycle	0.0%	0.0%
Worked from home	2.8%	4.0%
Other means	0.6%	0.0%

Housing

Units in structure (share)

	Petersburg	Rockhill
1-unit, detached	71.3%	89.7%
1-unit, attached	4.7%	0.0%
2 to 4 units	17.3%	2.7%
5 to 19 units	0.0%	0.0%
20 or more units	0.0%	0.0%
Mobile home & other	6.7%	7.5%

Poverty & households

	Petersburg	Rockhill
Poverty rate	6.1%	5.6%
Average household size	2.58	2.90
Mean commute (minutes)	33	39
Median year structure built	1938	1951