Also See: Petersburg, IL ZIP Codes & ZIP Code Maps
The City of Petersburg had a population of 2,346 as of July 1, 2020.
The primary coordinate point for Petersburg is located at latitude 40.0117 and longitude -89.8482 in Menard County. The formal boundaries for the City of Petersburg encompass a land area of 1.46 sq. miles and a water area of 0 sq. miles. Menard County is in the Central time zone (GMT -6). The elevation is 512 feet.
The City of Petersburg (GNIS ID: 2396193) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.
Alternate Unofficial Names for Petersburg: Petersburgh.
|Total Population||2,346 (100%)|
|Population in Households||2,271 (96.8%)|
|Population in Families||1,750 (74.6%)|
|Population in Group Quarters1||75 ( 3.2%)|
|Median Household Income||$51,338|
|Average Household Income||$75,141|
|% of Income for Mortgage4||9%|
|Per Capita Income||$32,994|
|Total HU (Housing Units)||1,127 (100%)|
|Owner Occupied HU||558 (49.5%)|
|Renter Occupied HU||473 (42.0%)|
|Vacant Housing Units||95 ( 8.4%)|
|Median Home Value||$110,081|
|Average Home Value||$140,636|
|Housing Affordability Index3||238|
|Average Household Size||2.2|
|Average Family Size||3|
GROWTH RATE / YEAR
|Median Household Income||1.14%|
|Per Capita Income||1.52%|
|Owner Occupied HU||0.11%|
The table below compares Petersburg to the other 1,369 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2020 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.
|Total Population||# 475||65th|
|Population Density||# 444||68th|
|Median Household Income||# 933||32nd|
|Housing Affordability Index||# 699||51st|
|Per Capita Income||# 438||68th|
|Diversity Index||# 904||34th|
Additional comparisons and rankings can be made with a VERY EASY TO USE Illinois Census Data Comparison Tool.