Lorain County, OH population age distribution
A complete breakdown of Lorain County's age demographics from 0 to 85 years, distributed across 18 age groups is listed in the table below.
Age Group | Population | % of Total Population |
---|---|---|
Under 5 years | 17,280 | 5.54% |
5 to 9 years | 19,022 | 6.1% |
10 to 14 years | 20,074 | 6.44% |
15 to 19 years | 20,474 | 6.57% |
20 to 24 years | 18,258 | 5.86% |
25 to 29 years | 17,773 | 5.7% |
30 to 34 years | 17,577 | 5.64% |
35 to 39 years | 18,033 | 5.78% |
40 to 44 years | 19,815 | 6.36% |
45 to 49 years | 20,355 | 6.53% |
50 to 54 years | 21,031 | 6.75% |
55 to 59 years | 23,137 | 7.42% |
60 to 64 years | 21,512 | 6.9% |
65 to 69 years | 19,374 | 6.21% |
70 to 74 years | 14,904 | 4.78% |
75 to 79 years | 9,167 | 2.94% |
80 to 84 years | 6,950 | 2.23% |
85 years and over | 7,001 | 2.25% |
TABLE OF CONTENTS
Lorain County, OH population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

The largest age group in Lorain County, OH was for the group of age 55-59 years with a population of 23,137 (7.42%), according to the 2021 American Community Survey.
At the same time, the smallest age group in Lorain County, OH was the 80-84 years with a population of 6,950 (2.23%).
Lorain County, OH population by age cohort
To better understand the age distribution of Lorain County, OH's population, we divided it into the following 3 cohorts:
- Children : Under the age of 18 years
- Adults (working population): Between the age of 18 and 64 years
- Seniors: 65 years and above

Here's the population for each of the three cohorts.
Age Group | Population | % of Total Population |
---|---|---|
Under 18 years | 68,910 | 22.11% |
18 to 64 years | 185,431 | 59.48% |
85 years and over | 57,396 | 18.41% |
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Lorain County's population under 18 was 22.11%, compared to the 22.51% nationwide.
- Lorain County's working population (between 18 and 64) was 59.48%, compared to 61.45% nationwide.
- Lorain County's elderly or the senior population (over 65 age) was 18.41% as compared to 16.04% nationwide.
Lorain County, OH population pyramid
Population pyramid for Lorain County, OH is charted below using the estimates from U.S. Census Bureau's American Community Survey 5-Year estimates. A wide base suggests population increase, narrow base indicates declining birth rates.
Key stats from our analysis of the Lorain County's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Lorain County, OH, is 28.5.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Lorain County, OH, is 29.0.
- Total dependency ratio for Lorain County, OH is 57.5.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Lorain County, OH is 3.4.

Here's the Lorain County, OH's male and female population across different age groups:
Age Group | Population(Male) | Population(Female) | Total Population |
---|---|---|---|
Under 5 years | 8,794 | 8,486 | 17,280 |
5 to 9 years | 9,552 | 9,470 | 19,022 |
10 to 14 years | 10,574 | 9,500 | 20,074 |
15 to 19 years | 10,556 | 9,918 | 20,474 |
20 to 24 years | 9,487 | 8,771 | 18,258 |
25 to 29 years | 9,105 | 8,668 | 17,773 |
30 to 34 years | 8,890 | 8,687 | 17,577 |
35 to 39 years | 8,921 | 9,112 | 18,033 |
40 to 44 years | 10,018 | 9,797 | 19,815 |
45 to 49 years | 10,169 | 10,186 | 20,355 |
50 to 54 years | 10,721 | 10,310 | 21,031 |
55 to 59 years | 11,887 | 11,250 | 23,137 |
60 to 64 years | 9,920 | 11,592 | 21,512 |
65 to 69 years | 9,195 | 10,179 | 19,374 |
70 to 74 years | 6,935 | 7,969 | 14,904 |
75 to 79 years | 4,298 | 4,869 | 9,167 |
80 to 84 years | 2,856 | 4,094 | 6,950 |
85 years and over | 2,432 | 4,569 | 7,001 |
Things to know
What is the population of Lorain County, OH under 18?
Lorain County's population under the age of 18 is 68,910, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 22.11% of the total resident population of Lorain County, OH.
What is the aging population in Lorain County, OH?
Lorain County's population aged 65 years and above was 57,396. As per the U.S. Census Bureau's American Community Survey, this population is 18.41% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates