McDonough County vs Montgomery County

A side-by-side comparison of McDonough County and Montgomery County: population, income, housing, and more.

McDonough County and Montgomery County are counties in Illinois. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Montgomery County has the higher population (28,078 vs 27,102 in McDonough County). Montgomery County has the higher median household income ($61,863 vs $50,434 in McDonough County). McDonough County has the higher median home value ($103,500 vs $102,200 in Montgomery County).

Population, income & housing

	McDonough County	Montgomery County
Population	27,102	28,078
Median age	35.1 yrs	42.6 yrs
Median household income	$50,434	$61,863
Median home value	$103,500	$102,200
Median gross rent	$730	$715
Housing units	13,598	12,528
Homeownership rate	62.1%	76.3%
Bachelor's degree or higher	31.8%	18.2%
Unemployment rate	8.6%	5.8%

Trends (ACS 5-year, 2019–2023)

	McDonough County	Montgomery County
Population	30,479 → 27,102 (-11.1%)	28,828 → 28,078 (-2.6%)
Median household income	$44,471 → $50,434 (+13.4%)	$52,748 → $61,863 (+17.3%)
Median home value	$91,800 → $103,500 (+12.7%)	$84,100 → $102,200 (+21.5%)
Median gross rent	$662 → $730 (+10.3%)	$644 → $715 (+11.0%)

McDonough County

Population

30,47927,102

Median household income

$44,471$50,434

Median home value

$91,800$103,500

Median gross rent

$662$730

Montgomery County

Population

28,82828,078

Median household income

$52,748$61,863

Median home value

$84,100$102,200

Median gross rent

$644$715

Age & race/ethnicity

Age distribution (share)

	McDonough County	Montgomery County
Under 5	4.6%	5.0%
5 to 17	13.3%	15.2%
18 to 24	20.4%	7.1%
25 to 34	11.6%	12.3%
35 to 44	10.3%	13.0%
45 to 54	8.9%	12.2%
55 to 64	11.6%	14.4%
65 to 74	10.9%	11.9%
75 and over	8.4%	9.1%

Race & ethnicity (share)

	McDonough County	Montgomery County
White (non-Hispanic)	85.8%	92.0%
Black or African American	5.7%	2.7%
American Indian & Alaska Native	0.0%	0.1%
Asian	2.0%	0.5%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.4%	0.2%
Two or more races	2.7%	2.3%
Hispanic or Latino	3.4%	2.1%

Educational attainment (age 25+)

Share of adults 25+

	McDonough County	Montgomery County
No high school diploma	5.7%	10.0%
High school graduate	32.7%	41.2%
Some college or associate's	29.7%	30.6%
Bachelor's degree	16.7%	11.8%
Graduate or professional degree	15.1%	6.4%

Commute to work

How workers get to work (share)

	McDonough County	Montgomery County
Drove alone	76.5%	80.6%
Carpooled	9.5%	5.6%
Public transit	0.5%	0.0%
Walked	5.4%	3.5%
Bicycle	0.7%	0.4%
Worked from home	6.5%	9.1%
Other means	0.9%	0.8%

Housing

Units in structure (share)

	McDonough County	Montgomery County
1-unit, detached	65.4%	82.6%
1-unit, attached	4.2%	1.5%
2 to 4 units	7.5%	4.5%
5 to 19 units	11.6%	2.6%
20 or more units	6.0%	2.4%
Mobile home & other	5.3%	6.3%

Poverty & households

	McDonough County	Montgomery County
Poverty rate	19.9%	13.8%
Average household size	2.08	2.29
Mean commute (minutes)	19	24
Median year structure built	1966	1963