Grand Detour vs Holcomb

A side-by-side comparison of Grand Detour and Holcomb: population, income, housing, and more.

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

Grand Detour has the higher population (282 vs 175 in Holcomb). Grand Detour has the higher median household income ($74,141 vs $54,250 in Holcomb). Grand Detour has the higher median home value ($162,500 vs $130,500 in Holcomb).

Population, income & housing

	Grand Detour	Holcomb
Population	282	175
Median age	54.0 yrs	55.4 yrs
Median household income	$74,141	$54,250
Median home value	$162,500	$130,500
Median gross rent	—	$960
Housing units	200	77
Homeownership rate	89.9%	84.6%
Bachelor's degree or higher	29.1%	8.2%
Unemployment rate	22.2%	0.0%

Trends (ACS 5-year, 2019–2023)

	Grand Detour	Holcomb
Population	345 → 282 (-18.3%)	157 → 175 (+11.5%)
Median household income	$105,469 → $74,141 (-29.7%)	$46,875 → $54,250 (+15.7%)
Median home value	$200,800 → $162,500 (-19.1%)	$128,100 → $130,500 (+1.9%)
Median gross rent	—	$772 → $960 (+24.4%)

Grand Detour

Population

345282

Median household income

$105,469$74,141

Median home value

$200,800$162,500

Holcomb

Population

157175

Median household income

$46,875$54,250

Median home value

$128,100$130,500

Median gross rent

$772$960

Age & race/ethnicity

Age distribution (share)

	Grand Detour	Holcomb
Under 5	0.0%	1.1%
5 to 17	17.7%	13.7%
18 to 24	11.7%	8.6%
25 to 34	10.3%	6.9%
35 to 44	7.1%	9.1%
45 to 54	17.7%	9.7%
55 to 64	7.4%	21.7%
65 to 74	23.0%	6.3%
75 and over	5.0%	22.9%

Race & ethnicity (share)

	Grand Detour	Holcomb
White (non-Hispanic)	67.7%	78.9%
Black or African American	0.0%	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	0.0%	0.0%
Hispanic or Latino	32.3%	21.1%

Educational attainment (age 25+)

Share of adults 25+

	Grand Detour	Holcomb
No high school diploma	6.5%	4.5%
High school graduate	26.1%	50.0%
Some college or associate's	38.2%	37.3%
Bachelor's degree	25.6%	8.2%
Graduate or professional degree	3.5%	0.0%

Commute to work

How workers get to work (share)

	Grand Detour	Holcomb
Drove alone	100.0%	66.7%
Carpooled	0.0%	33.3%
Public transit	0.0%	0.0%
Walked	0.0%	0.0%
Bicycle	0.0%	0.0%
Worked from home	0.0%	0.0%
Other means	0.0%	0.0%

Housing

Units in structure (share)

	Grand Detour	Holcomb
1-unit, detached	100.0%	100.0%
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	0.0%	0.0%

Poverty & households

	Grand Detour	Holcomb
Poverty rate	4.6%	32.3%
Average household size	2.04	2.69
Mean commute (minutes)	24	28
Median year structure built	1955	1938