Decatur, TN Population

Overview

1,841

Total Population

40.2

Median age

53.45%

Female population %

87.1:100

Gender ratio (M:F)

40-44 years

Largest age group

62.8

Total dependency ratio

White

Largest racial group

31

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Decatur is 40.2, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Decatur's population under 18 was 22.54%, compared to the 22.51% nationwide.
Decatur's elderly or the senior population (over 65 age) was 20.64% as compared to 16.04% nationwide.
Of the total population in Decatur, 17.93% were under the age of 15, 21.40% aged 15 to 29, 40.03% aged 30 to 64, 19.07% aged 65 to 84, and 1.58% were 85 years of age and older.

There are 127 more females than males in Decatur:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 53.45% females and 46.55% males in Decatur, TN.
The Decatur, TN gender ratio is 87.1:100 i.e. 87.1 men to 100 women (0.871).
For male population, the largest age group is 0-4 years with a population of 111.
For the female population, the largest age group is 20-24 years with a population of 111.

Decatur's population is moderately diverse:

Racial distribution of Decatur population: 90.39% are White, 3.69% are Black or African American, 0.27% are American Indian and Alaska Native and 5.65% are multiracial.
Decatur's racial breakdown clearly shows that there is an absolute majority of White population in the town.
By ethnicity, 31 is Hispanic or Latino (of any race), and 1,81 (98.32% of the total population) is Non-Hispanic.
The largest racial group in Decatur is White with a population of 1,664 (90.39% of the total population).

Decatur's population has already reached its peak and is showing a trend of decline:

The peak population was 1,650 in the year 2019
From 2000 to 2010, Decatur's population increased by 130 (8.58%), as compared to the national growth of 9.63%.
From 2010 to 2020, Decatur's population decreased by 76 (4.62%), 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, Decatur's population was lowest in year 2000 at 1,515.