Coal City vs South Wilmington

A side-by-side comparison of Coal City and South Wilmington: population, income, housing, and more.

Coal City and South Wilmington are places in Illinois. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Coal City has the higher population (5,145 vs 558 in South Wilmington). South Wilmington has the higher median household income ($86,563 vs $73,030 in Coal City). Coal City has the higher median home value ($211,600 vs $164,900 in South Wilmington).

Population, income & housing

	Coal City	South Wilmington
Population	5,145	558
Median age	42.3 yrs	46.3 yrs
Median household income	$73,030	$86,563
Median home value	$211,600	$164,900
Median gross rent	$1,064	$1,188
Housing units	2,026	259
Homeownership rate	80.7%	91.8%
Bachelor's degree or higher	24.9%	12.8%
Unemployment rate	6.3%	4.9%

Trends (ACS 5-year, 2019–2023)

	Coal City	South Wilmington
Population	5,294 → 5,145 (-2.8%)	761 → 558 (-26.7%)
Median household income	$74,755 → $73,030 (-2.3%)	$75,417 → $86,563 (+14.8%)
Median home value	$197,100 → $211,600 (+7.4%)	$127,800 → $164,900 (+29.0%)
Median gross rent	$1,006 → $1,064 (+5.8%)	$925 → $1,188 (+28.4%)

Coal City

Population

5,2945,145

Median household income

$74,755$73,030

Median home value

$197,100$211,600

Median gross rent

$1,006$1,064

South Wilmington

Population

761558

Median household income

$75,417$86,563

Median home value

$127,800$164,900

Median gross rent

$925$1,188

Age & race/ethnicity

Age distribution (share)

	Coal City	South Wilmington
Under 5	3.9%	6.8%
5 to 17	21.4%	16.5%
18 to 24	7.6%	3.9%
25 to 34	8.3%	14.3%
35 to 44	14.0%	7.7%
45 to 54	12.7%	13.1%
55 to 64	12.9%	17.4%
65 to 74	15.0%	8.8%
75 and over	4.2%	11.5%

Race & ethnicity (share)

	Coal City	South Wilmington
White (non-Hispanic)	90.2%	96.6%
Black or African American	0.8%	0.0%
American Indian & Alaska Native	0.0%	0.0%
Asian	0.2%	0.4%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	1.4%	1.1%
Hispanic or Latino	7.5%	2.0%

Educational attainment (age 25+)

Share of adults 25+

	Coal City	South Wilmington
No high school diploma	10.4%	8.9%
High school graduate	35.5%	47.8%
Some college or associate's	29.2%	30.5%
Bachelor's degree	16.7%	8.6%
Graduate or professional degree	8.1%	4.2%

Commute to work

How workers get to work (share)

	Coal City	South Wilmington
Drove alone	80.9%	94.0%
Carpooled	1.8%	1.4%
Public transit	0.0%	0.0%
Walked	2.6%	0.0%
Bicycle	0.0%	0.0%
Worked from home	13.2%	4.6%
Other means	1.5%	0.0%

Housing

Units in structure (share)

	Coal City	South Wilmington
1-unit, detached	68.0%	99.6%
1-unit, attached	18.0%	0.0%
2 to 4 units	11.1%	0.0%
5 to 19 units	2.4%	0.0%
20 or more units	0.0%	0.0%
Mobile home & other	0.5%	0.4%

Poverty & households

	Coal City	South Wilmington
Poverty rate	4.7%	6.5%
Average household size	2.66	2.39
Mean commute (minutes)	27	32
Median year structure built	1984	1963