Montgomery County, Illinois's estimated 2024 population is 27,425 with a growth rate of -0.86% in the past year according to the most recent United States census data. Montgomery County, Illinois is the 49th largest county in Illinois. The 2010 population was 30,095 and has seen a growth of -8.87% since that time.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 26,235 | -238 | -0.9% |
| 2028 | 26,473 | -238 | -0.89% |
| 2027 | 26,711 | -238 | -0.88% |
| 2026 | 26,949 | -238 | -0.88% |
| 2025 | 27,187 | -238 | -0.87% |
| 2024 | 27,425 | -238 | -0.86% |
| 2023 | 27,663 | -238 | -0.85% |
| 2022 | 27,901 | -181 | -0.64% |
| 2021 | 28,082 | -120 | -0.43% |
| 2020 | 28,202 | -199 | -0.7% |
| 2019 | 28,401 | -304 | -1.06% |
| 2018 | 28,705 | -76 | -0.26% |
| 2017 | 28,781 | -276 | -0.95% |
| 2016 | 29,057 | -139 | -0.48% |
| 2015 | 29,196 | -254 | -0.86% |
| 2014 | 29,450 | 83 | 0.28% |
| 2013 | 29,367 | -253 | -0.85% |
| 2012 | 29,620 | -246 | -0.82% |
| 2011 | 29,866 | -229 | -0.76% |
| 2010 | 30,095 | 0 | 0% |
| 1990 | 30,728 | -958 | -3.02% |
| 1980 | 31,686 | 1,426 | 4.71% |
| 1970 | 30,260 | -984 | -3.15% |
| 1960 | 31,244 | -1,216 | -3.75% |
| 1950 | 32,460 | -2,039 | -5.91% |
| 1940 | 34,499 | -779 | -2.21% |
| 1930 | 35,278 | -6,125 | -14.79% |
| 1920 | 41,403 | 6,092 | 17.25% |
| 1910 | 35,311 | 4,475 | 14.51% |
| 1900 | 30,836 | 833 | 2.78% |
| 1890 | 30,003 | 1,925 | 6.86% |
| 1880 | 28,078 | 2,764 | 10.92% |
| 1870 | 25,314 | 11,335 | 81.09% |
| 1860 | 13,979 | 7,702 | 122.7% |
| 1850 | 6,277 | 1,787 | 39.8% |
| 1840 | 4,490 | 1,537 | 52.05% |
| 1830 | 2,953 | -23,282 | -88.74% |
White
Black or African American
Two or more races
Other race
Asian
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 11,259 | 2.32 | 75.4 | 24.6 |
| Married | 5,415 | 3.01 | 88.6 | 11.4 |
| Non Family | 4,401 | 1.19 | 61.8 | 38.2 |
| Female | 827 | 3.06 | 68.9 | 31.1 |
| Male | 616 | 3.25 | 66.2 | 33.8 |
2.96
Average Family Size
2.32
Average Household Size
75.4%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among asian people with a rate of 100%.
The highest rate of bachelors degrees is among asian people with a rate of 74.67%.
All
Male
Female
$42,080
Average Earnings
$48,228
Average Male
$35,234
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
97.73% of Montgomery County, Illinois residents speak only English, while 2.27% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.17% of the population.
rate
13.98%
Overall Poverty Rate
13.79%
Male Poverty Rate
14.16%
Female Poverty Rate
The race most likely to be in poverty in Montgomery County, Illinois is Multiple, with 31.6% below the poverty level.
The race least likely to be in poverty in Montgomery County, Illinois is Other, with 5.71% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.37%. Among those working part-time, it was 20.28%, and for those that did not work, the poverty rate was 20.09%.
Married
Widowed
Divorced
Separated
NeverMarried
48.6%
Overall Marriage Rate
46.2%
Male Marriage Rate
51.3%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 45-54.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
9.36%
Veteran Poverty Rate
31.61%
Veteran Disability Rate
LaborForceParticipation
52.3%
Labor Force Participation
49.3%
Employment Rate
5.6%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
82.62%
Born in Montgomery County, Illinois
98.88%
Native Born
1.12%
Foreign Born
0.42%
Non Citizen
0.7%
Naturalized
98.88% of Montgomery County, Illinois residents were born in the United States, with 82.62% having been born in Illinois. 0.42% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.