Petersburg, PA demographics:
population, income, and more

Total population
404
17.8% year-over-year change
Median household income
$66,250/yr
-7.0% year-over-year change
Housing units
178
18.7% year-over-year change

Petersburg population

How many people live in Petersburg

Petersburg is home to 404 residents, according to the most recent Census data. Gender-wise, 45.3% of Petersburg locals are male, and 54.7% are female.

Total population
404
17.8% year-over-year change
Gender ratio
Male
45.3%
183
Female
54.7%
221
Value Percent YoY change
Male 183 45.3% 13.7%
Female 221 54.7% 21.4%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Petersburg is 40, with the population distributed as follows: about 17.8% are children under 15, then 15.1% are in the 15 to 24 age group. Adults between 25 and 44 make up 23.3% of the population, while another 27.5% fall into the 45 to 64 bracket. Finally, around 16.3% are 65 or older.

Median age
40.1
Age breakdown
Under 15
17.8%
15 to 24
15.1%
25 to 44
23.3%
45 to 64
27.5%
Over 65
16.3%
Value Percent YoY change
Under 15 72 17.8% 22.0%
15 to 24 61 15.1% -1.6%
25 to 44 94 23.3% 0.0%
45 to 64 111 27.5% 54.2%
Over 65 66 16.3% 17.9%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Petersburg, 98.3% of the population are US-born citizens, while 1.7% have gained naturalized citizenship. There’s also a share of 1.7% that includes residents with two or more races.

Citizenship
U.S.-born citizens
98.3%
Non-U.S.-born citizens
1.7%
Non-citizens
0%
Value Percent YoY change
U.S.-born citizens 397 98.3% 16.1%
Non-U.S.-born citizens 7 1.7% 600.0%
Racial breakdown
White
98.3%
Black or African American
0%
American Indian and Alaska Native
0%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
1.7%
Other
0%
Value Percent
White 397 98.3%
Two or more races 7 1.7%

Households in Petersburg

A peek inside Petersburg households

Petersburg has 162 households, with an average of 2 members in each. Of these, 61.7% are families, while the remaining 38.3% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
162
21.8% year-over-year change
Average people per household
2
Non-family households
62
Family households
100
Value Percent YoY change
Non-family households 62 38.3% 31.9%
Family households 100 61.7% 16.3%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Petersburg

The housing landscape of Petersburg

Petersburg's housing consists of 178 units, with 69.7% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 2.8% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 7.3% of the housing landscape.

Housing units
178
18.7% year-over-year change
Housing types
Value Percent
1 unit, detached 124 69.7%
1 unit, attached 5 2.8%
2 units 21 11.8%
3 or 4 units 8 4.5%
5 to 9 units 7 3.9%
Mobile home 13 7.3%
Homes built since 2020
0
% year-over-year change

The age of buildings in Petersburg

In Petersburg, the median construction year is 1938. About 59% of homes were built before the 1940s, with another 10.7% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 105 59% 26.5%
Built between 1940 and 1949 19 10.7% 90.0%
Built between 1950 and 1959 6 3.4% -33.3%
Built between 1960 and 1969 6 3.4% 20.0%
Built between 1970 and 1979 21 11.8% -4.5%
Built between 1980 and 1989 8 4.5% 33.3%
Built between 1990 and 1999 6 3.4% -40.0%
Built between 2010 and 2019 7 3.9% 40.0%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Petersburg occupancy rates

Out of the 162 occupied housing units in Petersburg, 65.4% are owner-occupied, while 34.6% are lived in by tenants. Meanwhile, 9% of all homes on the local market sit vacant.

Occupied housing units
162
21.8% year-over-year change
Occupancy breakdown
Renter occupied
56
Owner occupied
106
Value Percent YoY
change
Renter occupied 56 34.6% 33.3%
Owner occupied 106 65.4% 16.5%
Unoccupied housing units
9.0%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Petersburg housing costs

Housing costs in Petersburg come to a median of $828 per month, while tenants specifically pay a median gross rent of $850.

Median housing costs per month
$828/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Petersburg
$850/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Petersburg

Petersburg education at a glance

About 62.9% of the population in Petersburg went to high school, while 9.7% pursued college studies. Another 21.3% earned an associate degree and 4.2% hold a bachelor’s. Meanwhile, 1.6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 1 0.3% -80.0%
High school diploma 195 62.9% 9.6%
College diploma 30 9.7% 30.4%
Associate degree 66 21.3% 69.2%
Bachelor's degree 13 4.2% 62.5%
Graduate degree 5 1.6% 150.0%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Petersburg

How much people earn in Petersburg

The average annual household income in Petersburg was $83,717 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +3.2% change from the previous year. At the same time, the median income stood at $66,250, reflecting a -7% shift over the same period.

Average household income in Petersburg
$83,717/year
3.1% year-over-year change
Median household income in Petersburg
$66,250/year
-7.0% year-over-year change

Petersburg income by age

In Petersburg, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $118,750. Those with someone between 45 and 64 in charge, often well established professionally, earn $90,000 overall. Overall, 95.2% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $118,750 8.0%
45 - 64 $90,000 18.0%
Over 65 $32,917 -20.7%
Above poverty level
381
Below poverty level
19
Value Percent YoY
change
Above poverty level 381 95.2% 19.4%
Below poverty level 19 4.8% -9.5%

Average renter income in Petersburg

To get a better sense of what renters earn on average in Petersburg, their median household income was $31,875 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 32%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$31,875
Rent-to-income ratio
32%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Petersburg

Workforce and job types in Petersburg

The job market in Petersburg is powered by 229 working residents, spread across a range of industries and roles. 73.4% of the working population are employed in professional or administrative positions, while 26.6% are in hands-on or service-based jobs. Also, 3.5% run their own businesses, 56.3% are employed by private companies, and 25.8% work in the public sector.

Workforce demographics

Working population
229
25.1% year-over-year change
White collar
168
Blue collar
61
Value Percent YoY change
White collar 168 73.4% 33.3%
Blue collar 61 26.6% 7.0%
Employer type
Self employees
3.5%
Private companies
56.3%
Governmental workers
25.8%
Not for profit companies
14.4%
Value Percent YoY change
Self employees 8 3.5% -20.0%
Private companies 129 56.3% 24.0%
Governmental workers 59 25.8% 37.2%
Not for profit companies 33 14.4% 26.9%
Unemployment rate
8.4%
16.7% year-over-year change

Available workforce

The unemployment rate in Petersburg stands at 8.4%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Petersburg

How people get around in Petersburg

Commuting methods vary: 87.7% of residents travel by personal vehicle and 4% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 199 87.7% 22.8%
Walk 9 4% -10.0%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Petersburg by zipcode?

Zipcode Population Number of households Median income Average income
16669 2,099 841 $78,977 $88,016

Explore more communities

FAQs about Petersburg demographics 

What is the total population of Petersburg?

Petersburg has a total population of 404 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +17.8% compared to a year ago.

What is the gender ratio in Petersburg?

The gender ratio in Petersburg is as follows:
  • 45.3% males (183 residents)
  • 54.7% females (221 residents)

What is the median age in Petersburg?

The median age in Petersburg is 40.1.

What is the age distribution of the population in Petersburg?

The age distribution in Petersburg is as follows:
  • Under 15: 17.8% (72 residents)
  • Ages 15-24: 15.1% (61 residents)
  • Ages 25-44: 23.3% (94 residents)
  • Ages 45-64: 27.5% (111 residents)
  • Over 65: 16.3% (66 residents)

What is the racial and ethnic makeup of Petersburg?

The racial and ethnic makeup of Petersburg is as follows:
  • White: 98.3% (397 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 0% (0 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 1.7% (7 residents)
  • Other: 0% (0 residents)

What percentage of the population in Petersburg are U.S.-born citizens?

U.S.-born citizens represent 98.3% of the population in Petersburg.

How many housing units are there in Petersburg?

There are 178 housing units in Petersburg, reflecting a +18.7% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Petersburg and what is the average household size?

Petersburg has a total of 162 households, with an average of 2 people in each.

What is the median household income in Petersburg?

Petersburg has a median household income of $66,250, representing a -7.0% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Petersburg?

The employment rate is 91.6% in Petersburg, with a workforce of 229 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 73.4% (168 residents)
  • Blue-collar workers: 26.6% (61 residents)

Places of employment:
  • Self-employed: 3.5% (8 residents)
  • Private companies: 56.3% (129 residents)
  • Governmental workers: 25.8% (59 residents)
  • Not-for-profit companies: 14.4% (33 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025