Hernando County, FL population age distribution
A complete breakdown of Hernando 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 | 8,597 | 4.47% |
5 to 9 years | 9,194 | 4.79% |
10 to 14 years | 11,290 | 5.88% |
15 to 19 years | 10,209 | 5.31% |
20 to 24 years | 9,087 | 4.73% |
25 to 29 years | 10,092 | 5.25% |
30 to 34 years | 10,053 | 5.23% |
35 to 39 years | 10,663 | 5.55% |
40 to 44 years | 9,650 | 5.02% |
45 to 49 years | 11,004 | 5.73% |
50 to 54 years | 12,369 | 6.44% |
55 to 59 years | 14,258 | 7.42% |
60 to 64 years | 14,017 | 7.3% |
65 to 69 years | 15,027 | 7.82% |
70 to 74 years | 13,377 | 6.96% |
75 to 79 years | 10,746 | 5.59% |
80 to 84 years | 6,328 | 3.29% |
85 years and over | 6,167 | 3.21% |
TABLE OF CONTENTS
Hernando County, FL population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

The largest age group in Hernando County, FL was for the group of age 65-69 years with a population of 15,027 (7.82%), according to the 2021 American Community Survey.
At the same time, the smallest age group in Hernando County, FL was the 85+ years with a population of 6,167 (3.21%).
Hernando County, FL population by age cohort
To better understand the age distribution of Hernando County, FL'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 | 35,729 | 18.6% |
18 to 64 years | 104,754 | 54.52% |
85 years and over | 51,645 | 26.88% |
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Hernando County's population under 18 was 18.60%, compared to the 22.51% nationwide.
- Hernando County's working population (between 18 and 64) was 54.52%, compared to 61.45% nationwide.
- Hernando County's elderly or the senior population (over 65 age) was 26.88% as compared to 16.04% nationwide.
Hernando County, FL population pyramid
Population pyramid for Hernando County, FL 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 Hernando County's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Hernando County, FL, is 26.1.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Hernando County, FL, is 46.4.
- Total dependency ratio for Hernando County, FL is 72.5.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Hernando County, FL is 2.2.

Here's the Hernando County, FL's male and female population across different age groups:
Age Group | Population(Male) | Population(Female) | Total Population |
---|---|---|---|
Under 5 years | 4,404 | 4,193 | 8,597 |
5 to 9 years | 4,426 | 4,768 | 9,194 |
10 to 14 years | 5,957 | 5,333 | 11,290 |
15 to 19 years | 5,253 | 4,956 | 10,209 |
20 to 24 years | 4,552 | 4,535 | 9,087 |
25 to 29 years | 5,030 | 5,062 | 10,092 |
30 to 34 years | 4,945 | 5,108 | 10,053 |
35 to 39 years | 5,060 | 5,603 | 10,663 |
40 to 44 years | 4,922 | 4,728 | 9,650 |
45 to 49 years | 5,329 | 5,675 | 11,004 |
50 to 54 years | 5,901 | 6,468 | 12,369 |
55 to 59 years | 6,790 | 7,468 | 14,258 |
60 to 64 years | 6,491 | 7,526 | 14,017 |
65 to 69 years | 6,976 | 8,051 | 15,027 |
70 to 74 years | 6,334 | 7,043 | 13,377 |
75 to 79 years | 5,209 | 5,537 | 10,746 |
80 to 84 years | 2,807 | 3,521 | 6,328 |
85 years and over | 2,795 | 3,372 | 6,167 |
Things to know
What is the population of Hernando County, FL under 18?
Hernando County's population under the age of 18 is 35,729, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 18.60% of the total resident population of Hernando County, FL.
What is the aging population in Hernando County, FL?
Hernando County's population aged 65 years and above was 51,645. As per the U.S. Census Bureau's American Community Survey, this population is 26.88% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates