Overview
20,084
Total Population
30.8
Median age
46.61%
Female population %
114.5:100
Gender ratio (M:F)
15-19 years
Largest age group
42.0
Total dependency ratio
White
Largest racial group
5,84
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Montgomery's population is young compared to the rest of the country:
- The median age in Montgomery is 30.8, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Montgomery's population under 18 was 31.56%, compared to the 22.51% nationwide.
- Montgomery's elderly or the senior population (over 65 age) was 6.44% as compared to 16.04% nationwide.
- Of the total population in Montgomery, 23.14% were under the age of 15, 26.34% aged 15 to 29, 44.07% aged 30 to 64, 5.80% aged 65 to 84, and 0.65% were 85 years of age and older.

Read more about Montgomery, IL population by age ➔
Gender
There are 1,362 less females than males in Montgomery:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 46.61% females and 53.39% males in Montgomery, IL.
- The Montgomery, IL gender ratio is 114.5:100 i.e. 114.5 men to 100 women (1.145).
- For male population, the largest age group is 10-14 years with a population of 1,363.
- For the female population, the largest age group is 15-19 years with a population of 1,238.

Read more about Montgomery, IL population by gender ➔
Race / Ethnicity
Montgomery's population has become increasingly diverse:
- Racial distribution of Montgomery population: 74.88% are White, 3.81% are Black or African American, 0.50% are American Indian and Alaska Native, 0.75% are Asian, 0.15% are Native Hawaiian and other Pacific Islander, 11.15% are some other race and 8.75% are multiracial.
- Montgomery's racial breakdown clearly shows that there is an absolute majority of White population in the village.
- By ethnicity, 5,84 is Hispanic or Latino (of any race), and 14,244 (70.92% of the total population) is Non-Hispanic.
- The largest racial group in Montgomery is White with a population of 15,039 (74.88% of the total population).

Read more about Montgomery, IL population by race ➔
Year by year
Montgomery's population has not reached its peak yet and is showing a trend of further growth:
- The peak population was 21,799 in the year 2022
- From 2000 to 2010, Montgomery's population increased by 12,693 (223.00%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Montgomery's population increased by 2,014 (10.95%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
- Between the year 2000 and 2022, Montgomery's population was lowest in year 2000 at 5,692.

Read more about Montgomery, IL population by year ➔
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates
- U.S. Census Bureau Population Estimates Population Estimates Program (PEP)