St. Marys, KS Population

Overview

2,782

Total Population

27.1

Median age

50.50%

Female population %

98:100

Gender ratio (M:F)

25-29 years

Largest age group

64.3

Total dependency ratio

White

Largest racial group

144

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in St. Marys is 27.1, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
St. Marys's population under 18 was 30.48%, compared to the 22.51% nationwide.
St. Marys's elderly or the senior population (over 65 age) was 13.84% as compared to 16.04% nationwide.
Of the total population in St. Marys, 25.31% were under the age of 15, 29.76% aged 15 to 29, 31.09% aged 30 to 64, 12.37% aged 65 to 84, and 1.47% were 85 years of age and older.

There are 28 more females than males in St. Marys:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.50% females and 49.50% males in St. Marys, KS.
The St. Marys, KS gender ratio is 98:100 i.e. 98 men to 100 women (0.980).
For male population, the largest age group is 25-29 years with a population of 148.
For the female population, the largest age group is 15-19 years with a population of 176.

St. Marys's population has become increasingly diverse:

Racial distribution of St. Marys population: 86.05% are White, 0.75% are Black or African American, 0.14% are American Indian and Alaska Native, 4.64% are Asian, 2.59% are some other race and 5.82% are multiracial.
St. Marys's racial breakdown clearly shows that there is an absolute majority of White population in the city.
By ethnicity, 144 is Hispanic or Latino (of any race), and 2,638 (94.82% of the total population) is Non-Hispanic.
The largest racial group in St. Marys is White with a population of 2,394 (86.05% of the total population).

St. Marys's population has not reached its peak yet and is showing a trend of further growth:

The peak population was 2,761 in the year 2022
From 2000 to 2010, St. Marys's population increased by 472 (21.38%), as compared to the national growth of 9.63%.
From 2010 to 2020, St. Marys's population increased by 67 (2.50%), 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. Marys's population was lowest in year 2006 at 2,207.