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Montgomery County, Illinois Demographics 2026

Montgomery County, Illinois has a population of 27,942, the 48th most populous county in Illinois. The median household income is $63,620 and the median home value is $112,300. The poverty rate is 12.6%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Montgomery County Quick Facts

Population 27,942
Median Household Income $63,620
Median Home Value $112,300
Poverty Rate 12.6%
Unemployment Rate 4.7%
Median Age 42.8 years
Homeownership Rate 77.4%
Affordability Ratio 1.8x
Bachelor's Degree+ 18.3%
High School Graduation 90.2%
Cities/Places 19
Population 27,942 48th of 102
Median Income $63,620 24% lower than state
Poverty Rate 12.6%
Unemployment 4.7%

How Montgomery County Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric2019–20232020–2024Change
Population28,07827,942-0.5%
Median household income$61,863$63,620+2.8%
Median home value$102,200$112,300+9.9%

Economy & Housing

Household Income Distribution

Under $25K 19.9%
$25K-$50K 20.3%
$50K-$100K 29.6%
$100K+ 30.2%
Detailed income brackets
Under $10K
6.7%
$10K-$15K
4.8%
$15K-$20K
4.5%
$20K-$25K
3.9%
$25K-$30K
4.2%
$30K-$35K
5.1%
$35K-$40K
3.0%
$40K-$45K
3.4%
$45K-$50K
4.7%
$50K-$60K
7.9%
$60K-$75K
8.0%
$75K-$100K
13.6%
$100K-$125K
10.0%
$125K-$150K
7.9%
$150K-$200K
7.5%
$200K+
4.9%

Employment

4.7% Unemployment Rate State: 5.8%|National: 5.2%
52.5% Labor Force Participation

Housing Overview

Owner 77.4%
Renter 22.6%
Affordability Index Very Affordable
1.8x home value to income ratio
Median gross rent $723/mo 13.6% of median household income annually

People & Demographics

Diversity Index

16out of 100
Very Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 61 | National average: 61

Education

Cities & Places in Montgomery County

CityPopulationMedian IncomePovertyHome Value
Litchfield6,834$53,95816.3%$104,200
Hillsboro5,803$50,15811.6%$111,700
Nokomis2,147$60,3269.4%$83,900
Raymond1,030$66,59123.2%$108,200
Witt875$52,50022.3%$50,700
Farmersville763$63,7506.9%$116,900
Taylor Springs633$45,00019.7%$67,400
Coffeen592$72,50021.0%$60,800
Schram City578$51,25016.3%$94,300
Panama420$72,9179.5%$54,700
Coalton357$76,8755.9%$92,300
Irving355$70,62510.4%$43,100
Fillmore241$47,81316.6%$66,400
Butler194$51,9274.6%$83,200
Waggoner169$70,41718.9%$37,500
Walshville158$72,9178.9%N/A
Donnellson129$45,87541.9%$51,700
Ohlman59$46,25015.3%$46,200
Wenonah29$98,1250.0%$125,000

Population Overview

Montgomery County is located in Illinois with a total population of 27,942. It is the 48th most populous county out of 102 in Illinois. The county encompasses 19 Census-designated places.

Age Demographics

The median age in Montgomery County is 42.8 years. This is 10% higher than the state median of 39.0 years.

Economy, Income & Housing

The median household income in Montgomery County is $63,620. This is 24% lower than the state median of $83,390. It is also 21% lower than the national median of $80,734. The poverty rate stands at 12.6%. This is 7% higher than the state poverty rate of 11.8%. The unemployment rate is 4.7%. This is 19% lower than the state rate of 5.8%. The median home value is $112,300. Housing costs are 57% lower than the state median of $263,300. With a home-value-to-income ratio of just 1.8x, Montgomery County is one of the most affordable housing markets in the area. 77.4% of occupied housing units are owner-occupied. This homeownership rate is 15% higher than the state average of 67.1%.

Race & Ethnicity

Montgomery County has a predominantly White (non-Hispanic) population, comprising 91.7% of all residents. Black or African American residents account for 3.3%. The White (non-Hispanic) population is significantly higher than the state average (91.7% vs 58.1%). The Black or African American population (3.3%) is well below the state average of 13.3%. The Hispanic or Latino population (2.2%) is well below the state average of 18.8%. The Asian population (0.4%) is well below the state average of 5.9%.

Education

18.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 52% lower than the state rate of 37.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 90.2%.

Data Sources & Methodology

All figures for Montgomery County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Illinois and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Montgomery County, Illinois?

Montgomery County has a population of 27,942, making it the 48th most populous county in Illinois.

What is the median income in Montgomery County?

The median household income in Montgomery County is $63,620 with a poverty rate of 12.6%.

How many cities are in Montgomery County, Illinois?

Montgomery County contains 19 Census-designated places.