COUNTY · 1990 CENSUS

Montgomery County

Illinois · 30,728 residents · 703.766 sq mi

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The short version

Montgomery County has lower-than-average household income, with a median household income of $23,879. Population has held roughly steady since 2000. 8% of adults hold a bachelor's degree or higher, below the national rate of 20%. Median home value is $35,300. Households here earn about 26% less than the Illinois median.

At a glance

Lower income

below the US median

US median: $30,130

Older

median age 35.3

US median: 33.0

Less educated

8% hold a bachelor's degree

US average: 20%

More affordable

home values down 16%, inflation adjusted

US median home: $93,722

Section 01

Population & growth

Total population

30,728

Unchangedvs 2000

vs 30,652 in 2000

1990 – 2025

Population density

44 / sq mi

Unchangedvs 2000

vs 44 / sq mi in 2000

US average: 221

Median age

35.3

−7%vs 2000

vs 38.1 in 2000

US average: 33.0

Population, 1990 – 2024

202428K

Section 02

Income & economy

Median household income

$23,879

−5%inflation adjusted, since 2000

vs $33,123 in 2000

US average: $30,130

1990 – 2024

Per capita income

$10,724

−34%vs 2000

vs $16,272 in 2000

US average: $14,340

Poverty rate

14.0%

+0.6 ptsvs 2000

vs 13.4% in 2000

US average: 13.2%

Section 03

Housing

Median home value

$35,300

−16%inflation adjusted, since 2000

vs $55,300 in 2000

US average: $93,722

1990 – 2024

Median gross rent

$302

+3%inflation adjusted, since 2000

vs $388 in 2000

US average: $450

Owner-occupied

76.6%

−1.8 ptsvs 2000

vs 78.4% in 2000

23.4% rent

Afford Score

1.5

−11%vs 2000

vs 1.7 in 2000

1990 – 2024

RELATED:See current rent listings in Montgomery County on RentDataNow

Section 04

Race & ethnicity

2000

White, non-Hispanic94.4%(28,928)

Black3.7%(1,141)

Hispanic / Latino1.1%(326)

Asian0.2%(67)

Other0%

Diversity Score12.1%(3,703)

1990

White, non-Hispanic97.2%(29,871)

Black1.8%(558)

Hispanic / Latino0.9%(263)

Asian0.2%(60)

Other0.8%(239)

Diversity Score8.8%(2,708)

Diversity Score

−27%vs 2000

vs 12 in 2000

1990 – 2024

Section 05

Education

Bachelor's degree or higher

8.1%

−3.1 ptsvs 2000

vs 11.2% in 2000

US average: 20.3%

High school or higher

72.2%

−4.9 ptsvs 2000

vs 77.1% in 2000

US average: 75.2%

Graduate degree

2.5%

−1.1 ptsvs 2000

vs 3.6% in 2000

US average: 7.1%

Section 06

Commute & transportation

Average commute

24.5 min

+25%vs 2000

vs 19.5 min in 2000

US average: 21.9

Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Drill deeper

Places similar to Montgomery County

Head to head

Compare Montgomery County to nearby counties

MONTGOMERY COUNTY VS

Bond County

Income$65,959+176%

Home value$145,700+313%

Population16,959−40%

SEE FULL COMPARISON →

MONTGOMERY COUNTY VS

Macoupin County

Income$70,805+197%

Home value$138,200+292%

Population43,748+56%

SEE FULL COMPARISON →

MONTGOMERY COUNTY VS

Christian County

Income$62,611+162%

Home value$115,500+227%

Population33,443+19%

SEE FULL COMPARISON →

MONTGOMERY COUNTY VS

Fayette County

Income$60,944+155%

Home value$130,700+270%

Population20,790−26%

SEE FULL COMPARISON →

Frequently asked

How many people live in Montgomery County, Illinois?

Montgomery County, Illinois has about 30,728 residents according to the 1990 Census.

What is the median household income in Montgomery County, Illinois?

The typical household in Montgomery County, Illinois earns about $23,879 a year. Half of households make more than that, and half make less.

Is Montgomery County, Illinois expensive?

In Montgomery County, Illinois, the median home is worth about $35,300, and the typical rent is about $302 a month.

How educated are people in Montgomery County, Illinois?

About 8.1% of adults age 25 and over in Montgomery County, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Montgomery County, Illinois?

About 14.0% of people in Montgomery County, Illinois live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →