St. Peter vs Vandalia

A side-by-side comparison of St. Peter and Vandalia: population, income, housing, and more.

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

Vandalia has the higher population (6,041 vs 256 in St. Peter). St. Peter has the higher median household income ($55,000 vs $43,184 in Vandalia). St. Peter has the higher median home value ($91,400 vs $88,800 in Vandalia).

Population, income & housing

	St. Peter	Vandalia
Population	256	6,041
Median age	41.2 yrs	42.9 yrs
Median household income	$55,000	$43,184
Median home value	$91,400	$88,800
Median gross rent	$488	$738
Housing units	113	2,383
Homeownership rate	88.5%	64.0%
Bachelor's degree or higher	14.8%	10.9%
Unemployment rate	0.0%	6.4%

Trends (ACS 5-year, 2019–2023)

	St. Peter	Vandalia
Population	435 → 256 (-41.1%)	6,909 → 6,041 (-12.6%)
Median household income	$45,938 → $55,000 (+19.7%)	$36,395 → $43,184 (+18.7%)
Median home value	$66,300 → $91,400 (+37.9%)	$83,700 → $88,800 (+6.1%)
Median gross rent	$413 → $488 (+18.2%)	$625 → $738 (+18.1%)

St. Peter

Population

435256

Median household income

$45,938$55,000

Median home value

$66,300$91,400

Median gross rent

$413$488

Vandalia

Population

6,9096,041

Median household income

$36,395$43,184

Median home value

$83,700$88,800

Median gross rent

$625$738

Age & race/ethnicity

Age distribution (share)

	St. Peter	Vandalia
Under 5	7.4%	4.1%
5 to 17	17.6%	9.6%
18 to 24	6.3%	10.3%
25 to 34	10.5%	17.2%
35 to 44	12.1%	11.9%
45 to 54	4.7%	14.2%
55 to 64	18.0%	14.6%
65 to 74	13.7%	9.7%
75 and over	9.8%	8.5%

Race & ethnicity (share)

	St. Peter	Vandalia
White (non-Hispanic)	98.0%	78.5%
Black or African American	0.0%	11.4%
American Indian & Alaska Native	0.0%	1.3%
Asian	0.0%	0.1%
Native Hawaiian & Pacific Islander	0.0%	0.2%
Some other race	0.0%	0.0%
Two or more races	2.0%	2.7%
Hispanic or Latino	0.0%	5.8%

Educational attainment (age 25+)

Share of adults 25+

	St. Peter	Vandalia
No high school diploma	6.3%	15.1%
High school graduate	40.3%	46.4%
Some college or associate's	38.6%	27.6%
Bachelor's degree	9.7%	7.4%
Graduate or professional degree	5.1%	3.5%

Commute to work

How workers get to work (share)

	St. Peter	Vandalia
Drove alone	77.5%	83.6%
Carpooled	2.7%	5.7%
Public transit	0.0%	0.2%
Walked	18.0%	3.5%
Bicycle	0.0%	0.0%
Worked from home	1.8%	5.2%
Other means	0.0%	1.7%

Housing

Units in structure (share)

	St. Peter	Vandalia
1-unit, detached	88.5%	75.9%
1-unit, attached	0.0%	1.7%
2 to 4 units	7.1%	12.5%
5 to 19 units	0.0%	3.9%
20 or more units	0.0%	4.4%
Mobile home & other	4.4%	1.6%

Poverty & households

	St. Peter	Vandalia
Poverty rate	11.3%	22.1%
Average household size	2.46	2.41
Mean commute (minutes)	20	19
Median year structure built	1957	1954