Lancaster County, PA Population

Overview

550,480

Total Population

38.7

Median age

50.74%

Female population %

97.1:100

Gender ratio (M:F)

10-14 years

Largest age group

60.3

Total dependency ratio

White

Largest racial group

60,859

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Lancaster County is 38.7, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Lancaster County's population under 18 was 23.66%, compared to the 22.51% nationwide.
Lancaster County's elderly or the senior population (over 65 age) was 17.97% as compared to 16.04% nationwide.
Of the total population in Lancaster County, 19.64% were under the age of 15, 19.38% aged 15 to 29, 43.01% aged 30 to 64, 15.36% aged 65 to 84, and 2.61% were 85 years of age and older.

There are 8,196 more females than males in Lancaster County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.74% females and 49.26% males in Lancaster County, PA.
The Lancaster County, PA gender ratio is 97.1:100 i.e. 97.1 men to 100 women (0.971).
For male population, the largest age group is 10-14 years with a population of 19,720.
For the female population, the largest age group is 55-59 years with a population of 18,827.

Lancaster County's population has become increasingly diverse:

Racial distribution of Lancaster County population: 85.96% are White, 3.98% are Black or African American, 0.11% are American Indian and Alaska Native, 2.36% are Asian, 0.03% are Native Hawaiian and other Pacific Islander, 3.18% are some other race and 4.39% are multiracial.
Lancaster County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 60,859 is Hispanic or Latino (of any race), and 489,621 (88.94% of the total population) is Non-Hispanic.
The largest racial group in Lancaster County is White with a population of 473,189 (85.96% of the total population).

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

The peak population was 556,629 in the year 2022
From 2000 to 2010, Lancaster County's population increased by 48,453 (10.27%), as compared to the national growth of 9.63%.
From 2010 to 2020, Lancaster County's population increased by 32,436 (6.23%), 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, Lancaster County's population was lowest in year 2000 at 471,872.