Dauphin County, PA Population

Overview

284,199

Total Population

39.5

Median age

51.17%

Female population %

95.4:100

Gender ratio (M:F)

60-64 years

Largest age group

55.7

Total dependency ratio

White

Largest racial group

28,739

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Dauphin County's population is old compared to the rest of the country:

The median age in Dauphin County is 39.5, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Dauphin County's population under 18 was 22.72%, compared to the 22.51% nationwide.
Dauphin County's elderly or the senior population (over 65 age) was 16.95% as compared to 16.04% nationwide.
Of the total population in Dauphin County, 18.82% were under the age of 15, 18.83% aged 15 to 29, 45.39% aged 30 to 64, 14.89% aged 65 to 84, and 2.07% were 85 years of age and older.

There are 6,655 more females than males in Dauphin County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 51.17% females and 48.83% males in Dauphin County, PA.
The Dauphin County, PA gender ratio is 95.4:100 i.e. 95.4 men to 100 women (0.954).
For male population, the largest age group is 25-29 years with a population of 9,810.
For the female population, the largest age group is 60-64 years with a population of 10,767.

Dauphin County's population has become increasingly diverse:

Racial distribution of Dauphin County population: 67.69% are White, 19.28% are Black or African American, 0.34% are American Indian and Alaska Native, 5.14% are Asian, 0.06% are Native Hawaiian and other Pacific Islander, 2.77% are some other race and 4.73% are multiracial.
Dauphin County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 28,739 is Hispanic or Latino (of any race), and 255,46 (89.89% of the total population) is Non-Hispanic.
The largest racial group in Dauphin County is White with a population of 192,382 (67.69% of the total population).

Dauphin County's population has not reached its peak yet and is showing a trend of further growth:

The peak population was 288,800 in the year 2022
From 2000 to 2010, Dauphin County's population increased by 16,497 (6.55%), as compared to the national growth of 9.63%.
From 2010 to 2020, Dauphin County's population increased by 18,396 (6.86%), 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, Dauphin County's population was lowest in year 2001 at 251,778.