Overview
40,652
Total Population
43.5
Median age
47.91%
Female population %
108.7:100
Gender ratio (M:F)
55-59 years
Largest age group
55.1
Total dependency ratio
White
Largest racial group
935
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
McKean County's population is old compared to the rest of the country:
- The median age in McKean County is 43.5, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- McKean County's population under 18 was 20.07%, compared to the 22.51% nationwide.
- McKean County's elderly or the senior population (over 65 age) was 19.23% as compared to 16.04% nationwide.
- Of the total population in McKean County, 16.31% were under the age of 15, 18.27% aged 15 to 29, 46.19% aged 30 to 64, 16.81% aged 65 to 84, and 2.43% were 85 years of age and older.

Read more about McKean County, PA population by age ➔
Gender
There are 1,696 less females than males in McKean County:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 47.91% females and 52.09% males in McKean County, PA.
- The McKean County, PA gender ratio is 108.7:100 i.e. 108.7 men to 100 women (1.087).
- For male population, the largest age group is 55-59 years with a population of 1,637.
- For the female population, the largest age group is 60-64 years with a population of 1,525.

Read more about McKean County, PA population by gender ➔
Race / Ethnicity
McKean County's population has become increasingly diverse:
- Racial distribution of McKean County population: 93.94% are White, 2.36% are Black or African American, 0.05% are American Indian and Alaska Native, 0.38% are Asian, 0.04% are Native Hawaiian and other Pacific Islander, 0.94% are some other race and 2.28% are multiracial.
- McKean County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
- By ethnicity, 935 is Hispanic or Latino (of any race), and 39,717 (97.70% of the total population) is Non-Hispanic.
- The largest racial group in McKean County is White with a population of 38,19 (93.94% of the total population).

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Year by year
McKean County's population has already reached its peak and is showing a trend of decline:
- The peak population was 45,750 in the year 2000
- From 2000 to 2010, McKean County's population decreased by 2,403 (5.25%), as compared to the national growth of 9.63%.
- From 2010 to 2020, McKean County's population decreased by 2,955 (6.82%), 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, McKean County's population was lowest in year 2022 at 39,866.

Read more about McKean County, PA 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)