Lake Petersburg vs Petersburg

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

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

Petersburg has the higher population (2,590 vs 769 in Lake Petersburg). Lake Petersburg has the higher median household income ($124,643 vs $59,850 in Petersburg). Lake Petersburg has the higher median home value ($336,200 vs $174,800 in Petersburg).

Population, income & housing

	Lake Petersburg	Petersburg
Population	769	2,590
Median age	59.0 yrs	38.8 yrs
Median household income	$124,643	$59,850
Median home value	$336,200	$174,800
Median gross rent	—	$665
Housing units	388	1,311
Homeownership rate	100.0%	57.2%
Bachelor's degree or higher	40.6%	29.6%
Unemployment rate	2.9%	1.0%

Trends (ACS 5-year, 2019–2023)

	Lake Petersburg	Petersburg
Population	449 → 769 (+71.3%)	2,513 → 2,590 (+3.1%)
Median household income	$74,500 → $124,643 (+67.3%)	$54,833 → $59,850 (+9.1%)
Median home value	$270,400 → $336,200 (+24.3%)	$98,000 → $174,800 (+78.4%)
Median gross rent	—	$681 → $665 (-2.3%)

Lake Petersburg

Population

449769

Median household income

$74,500$124,643

Median home value

$270,400$336,200

Petersburg

Population

2,5132,590

Median household income

$54,833$59,850

Median home value

$98,000$174,800

Median gross rent

$681$665

Age & race/ethnicity

Age distribution (share)

	Lake Petersburg	Petersburg
Under 5	3.6%	4.9%
5 to 17	8.2%	14.5%
18 to 24	2.6%	11.4%
25 to 34	9.0%	15.9%
35 to 44	4.8%	11.1%
45 to 54	13.4%	17.0%
55 to 64	25.9%	8.9%
65 to 74	25.2%	8.9%
75 and over	7.3%	7.3%

Race & ethnicity (share)

	Lake Petersburg	Petersburg
White (non-Hispanic)	92.2%	94.6%
Black or African American	0.0%	0.3%
American Indian & Alaska Native	0.0%	0.0%
Asian	3.3%	0.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	1.4%	5.1%
Hispanic or Latino	3.1%	0.0%

Educational attainment (age 25+)

Share of adults 25+

	Lake Petersburg	Petersburg
No high school diploma	1.1%	8.5%
High school graduate	19.5%	32.0%
Some college or associate's	38.9%	29.9%
Bachelor's degree	29.3%	15.2%
Graduate or professional degree	11.2%	14.5%

Commute to work

How workers get to work (share)

	Lake Petersburg	Petersburg
Drove alone	78.2%	84.3%
Carpooled	10.2%	2.3%
Public transit	0.0%	0.0%
Walked	0.0%	6.6%
Bicycle	0.0%	0.0%
Worked from home	11.6%	6.8%
Other means	0.0%	0.0%

Housing

Units in structure (share)

	Lake Petersburg	Petersburg
1-unit, detached	100.0%	71.0%
1-unit, attached	0.0%	0.9%
2 to 4 units	0.0%	11.3%
5 to 19 units	0.0%	4.8%
20 or more units	0.0%	9.6%
Mobile home & other	0.0%	2.4%

Poverty & households

	Lake Petersburg	Petersburg
Poverty rate	0.0%	15.5%
Average household size	2.22	2.06
Mean commute (minutes)	35	23
Median year structure built	1974	1961