St. Joseph County, IN Population

Overview

272,049

Total Population

36.8

Median age

51.04%

Female population %

95.9:100

Gender ratio (M:F)

20-24 years

Largest age group

54.6

Total dependency ratio

White

Largest racial group

25,03

Hispanic population

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

TABLE OF CONTENTS

Age

St. Joseph County's population is young compared to the rest of the country:

The median age in St. Joseph County is 36.8, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
St. Joseph County's population under 18 was 23.69%, compared to the 22.51% nationwide.
St. Joseph County's elderly or the senior population (over 65 age) was 15.75% as compared to 16.04% nationwide.
Of the total population in St. Joseph County, 19.57% were under the age of 15, 22.04% aged 15 to 29, 42.65% aged 30 to 64, 13.60% aged 65 to 84, and 2.14% were 85 years of age and older.

There are 5,661 more females than males in St. Joseph County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 51.04% females and 48.96% males in St. Joseph County, IN.
The St. Joseph County, IN gender ratio is 95.9:100 i.e. 95.9 men to 100 women (0.959).
For male population, the largest age group is 15-19 years with a population of 10,404.
For the female population, the largest age group is 20-24 years with a population of 10,722.

St. Joseph County's population has become increasingly diverse:

Racial distribution of St. Joseph County population: 75.31% are White, 12.74% are Black or African American, 0.32% are American Indian and Alaska Native, 2.53% are Asian, 0.05% are Native Hawaiian and other Pacific Islander, 2.63% are some other race and 6.42% are multiracial.
St. Joseph County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 25,03 is Hispanic or Latino (of any race), and 247,019 (90.80% of the total population) is Non-Hispanic.
The largest racial group in St. Joseph County is White with a population of 204,891 (75.31% of the total population).

St. Joseph County's population has already reached its peak and is showing a trend of decline:

The peak population was 272,672 in the year 2020
From 2000 to 2010, St. Joseph County's population increased by 879 (0.33%), as compared to the national growth of 9.63%.
From 2010 to 2020, St. Joseph County's population increased by 5,873 (2.20%), 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, St. Joseph County's population was lowest in year 2004 at 265,284.