Polk County, TN Population

Overview

17,502

Total Population

46.1

Median age

49.50%

Female population %

102:100

Gender ratio (M:F)

55-59 years

Largest age group

56.7

Total dependency ratio

White

Largest racial group

387

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Polk County is 46.1, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Polk County's population under 18 was 19.23%, compared to the 22.51% nationwide.
Polk County's elderly or the senior population (over 65 age) was 20.73% as compared to 16.04% nationwide.
Of the total population in Polk County, 15.46% were under the age of 15, 16.33% aged 15 to 29, 47.49% aged 30 to 64, 19.04% aged 65 to 84, and 1.69% were 85 years of age and older.

There are 176 less females than males in Polk County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.50% females and 50.50% males in Polk County, TN.
The Polk County, TN gender ratio is 102:100 i.e. 102 men to 100 women (1.020).
For male population, the largest age group is 55-59 years with a population of 873.
For the female population, the largest age group is 55-59 years with a population of 724.

Polk County's population has become increasingly diverse:

Racial distribution of Polk County population: 93.13% are White, 0.87% are Black or African American, 0.25% are American Indian and Alaska Native, 0.19% are Asian, 0.48% are some other race and 5.09% are multiracial.
Polk County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 387 is Hispanic or Latino (of any race), and 17,115 (97.79% of the total population) is Non-Hispanic.
The largest racial group in Polk County is White with a population of 16,299 (93.13% of the total population).

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

The peak population was 17,863 in the year 2022
From 2000 to 2010, Polk County's population increased by 717 (4.45%), as compared to the national growth of 9.63%.
From 2010 to 2020, Polk County's population increased by 755 (4.49%), 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, Polk County's population was lowest in year 2009 at 15,706.