St. Elmo vs Vandalia

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

St. Elmo 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 1,401 in St. Elmo). St. Elmo has the higher median household income ($47,115 vs $43,184 in Vandalia). Vandalia has the higher median home value ($88,800 vs $80,300 in St. Elmo).

Population, income & housing

	St. Elmo	Vandalia
Population	1,401	6,041
Median age	37.6 yrs	42.9 yrs
Median household income	$47,115	$43,184
Median home value	$80,300	$88,800
Median gross rent	$759	$738
Housing units	561	2,383
Homeownership rate	83.6%	64.0%
Bachelor's degree or higher	8.2%	10.9%
Unemployment rate	4.5%	6.4%

Trends (ACS 5-year, 2019–2023)

	St. Elmo	Vandalia
Population	1,480 → 1,401 (-5.3%)	6,909 → 6,041 (-12.6%)
Median household income	$44,728 → $47,115 (+5.3%)	$36,395 → $43,184 (+18.7%)
Median home value	$74,100 → $80,300 (+8.4%)	$83,700 → $88,800 (+6.1%)
Median gross rent	$493 → $759 (+54.0%)	$625 → $738 (+18.1%)

St. Elmo

Population

1,4801,401

Median household income

$44,728$47,115

Median home value

$74,100$80,300

Median gross rent

$493$759

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. Elmo	Vandalia
Under 5	7.0%	4.1%
5 to 17	16.5%	9.6%
18 to 24	9.5%	10.3%
25 to 34	13.0%	17.2%
35 to 44	8.3%	11.9%
45 to 54	15.0%	14.2%
55 to 64	13.6%	14.6%
65 to 74	8.1%	9.7%
75 and over	9.1%	8.5%

Race & ethnicity (share)

	St. Elmo	Vandalia
White (non-Hispanic)	95.9%	78.5%
Black or African American	0.6%	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	2.4%	2.7%
Hispanic or Latino	1.0%	5.8%

Educational attainment (age 25+)

Share of adults 25+

	St. Elmo	Vandalia
No high school diploma	15.7%	15.1%
High school graduate	37.9%	46.4%
Some college or associate's	38.2%	27.6%
Bachelor's degree	3.8%	7.4%
Graduate or professional degree	4.4%	3.5%

Commute to work

How workers get to work (share)

	St. Elmo	Vandalia
Drove alone	83.8%	83.6%
Carpooled	6.8%	5.7%
Public transit	0.0%	0.2%
Walked	2.0%	3.5%
Bicycle	0.0%	0.0%
Worked from home	7.5%	5.2%
Other means	0.0%	1.7%

Housing

Units in structure (share)

	St. Elmo	Vandalia
1-unit, detached	85.9%	75.9%
1-unit, attached	0.0%	1.7%
2 to 4 units	4.3%	12.5%
5 to 19 units	0.5%	3.9%
20 or more units	0.0%	4.4%
Mobile home & other	9.3%	1.6%

Poverty & households

	St. Elmo	Vandalia
Poverty rate	23.7%	22.1%
Average household size	2.74	2.41
Mean commute (minutes)	23	19
Median year structure built	1956	1954