Rockbridge vs Wilmington

A side-by-side comparison of Rockbridge and Wilmington: population, income, housing, and more.

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

Rockbridge has the higher population (115 vs 113 in Wilmington). Rockbridge has the higher median household income ($86,250 vs $72,083 in Wilmington). Since 2019, Wilmington's population has grown faster (-20.4% vs -27.7%).

Population, income & housing

	Rockbridge	Wilmington
Population	115	113
Median age	46.8 yrs	30.8 yrs
Median household income	$86,250	$72,083
Median home value	$91,900	—
Housing units	68	54
Homeownership rate	93.9%	90.9%
Bachelor's degree or higher	10.3%	17.1%
Unemployment rate	0.0%	0.0%

Trends (ACS 5-year, 2019–2023)

	Rockbridge	Wilmington
Population	159 → 115 (-27.7%)	142 → 113 (-20.4%)
Median household income	$56,250 → $86,250 (+53.3%)	$48,438 → $72,083 (+48.8%)
Median home value	$75,000 → $91,900 (+22.5%)	$66,300 → $75,000 (+13.1%)

Rockbridge

Population

159115

Median household income

$56,250$86,250

Median home value

$75,000$91,900

Wilmington

Population

142113

Median household income

$48,438$72,083

Median home value

$66,300$75,000

Age & race/ethnicity

Age distribution (share)

	Rockbridge	Wilmington
Under 5	0.0%	11.5%
5 to 17	12.2%	8.8%
18 to 24	3.5%	12.4%
25 to 34	3.5%	19.5%
35 to 44	1.7%	3.5%
45 to 54	40.9%	16.8%
55 to 64	14.8%	7.1%
65 to 74	22.6%	14.2%
75 and over	0.9%	6.2%

Race & ethnicity (share)

	Rockbridge	Wilmington
White (non-Hispanic)	85.2%	97.3%
Black or African American	10.4%	0.0%
American Indian & Alaska Native	0.0%	0.0%
Asian	0.0%	0.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	2.6%	0.0%
Hispanic or Latino	1.7%	2.7%

Educational attainment (age 25+)

Share of adults 25+

	Rockbridge	Wilmington
No high school diploma	0.0%	26.3%
High school graduate	35.1%	17.1%
Some college or associate's	54.6%	39.5%
Bachelor's degree	10.3%	13.2%
Graduate or professional degree	0.0%	3.9%

Commute to work

How workers get to work (share)

	Rockbridge	Wilmington
Drove alone	92.9%	63.5%
Carpooled	0.0%	21.2%
Public transit	4.8%	0.0%
Walked	0.0%	0.0%
Bicycle	0.0%	0.0%
Worked from home	2.4%	15.4%
Other means	0.0%	0.0%

Housing

Units in structure (share)

	Rockbridge	Wilmington
1-unit, detached	86.8%	85.2%
1-unit, attached	0.0%	0.0%
2 to 4 units	0.0%	0.0%
5 to 19 units	0.0%	0.0%
20 or more units	0.0%	0.0%
Mobile home & other	13.2%	14.8%

Poverty & households

	Rockbridge	Wilmington
Poverty rate	7.0%	25.7%
Average household size	3.48	3.42
Mean commute (minutes)	27	51
Median year structure built	1967	1938