Overview
4,436
Total Population
30.2
Median age
43.85%
Female population %
128.1:100
Gender ratio (M:F)
25-29 years
Largest age group
42.0
Total dependency ratio
White
Largest racial group
709
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Cortland's population is young compared to the rest of the country:
- The median age in Cortland is 30.2, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Cortland's population under 18 was 25.16%, compared to the 22.51% nationwide.
- Cortland's elderly or the senior population (over 65 age) was 7.87% as compared to 16.04% nationwide.
- Of the total population in Cortland, 21.69% were under the age of 15, 27.34% aged 15 to 29, 43.10% aged 30 to 64, 7.12% aged 65 to 84, and 0.74% were 85 years of age and older.
Read more about Cortland, IL population by age ➔
Gender
There are 546 less females than males in Cortland:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 43.85% females and 56.15% males in Cortland, IL.
- The Cortland, IL gender ratio is 128.1:100 i.e. 128.1 men to 100 women (1.281).
- For male population, the largest age group is 20-24 years with a population of 298.
- For the female population, the largest age group is 25-29 years with a population of 309.
Read more about Cortland, IL population by gender ➔
Race / Ethnicity
Cortland's population has become increasingly diverse:
- Racial distribution of Cortland population: 80.18% are White, 14.97% are Black or African American, 0.74% are some other race and 4.10% are multiracial.
- Cortland's racial breakdown clearly shows that there is an absolute majority of White population in the town.
- By ethnicity, 709 is Hispanic or Latino (of any race), and 3,727 (84.02% of the total population) is Non-Hispanic.
- The largest racial group in Cortland is White with a population of 3,557 (80.18% of the total population).
Read more about Cortland, IL population by race ➔
Year by year
Cortland's population has not reached its peak yet and is showing a trend of further growth:
- The peak population was 4,443 in the year 2022
- From 2000 to 2010, Cortland's population increased by 2,196 (104.57%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Cortland's population increased by 101 (2.35%), 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, Cortland's population was lowest in year 2000 at 2,100.
Read more about Cortland, 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)