US Census Data

Polk County, Tennessee

7 cities & places have their primary county here.

Population
17,702
+5.3%’19–’23
Median household income
$60,227
+39.1%’19–’23
Median home value
$136,400
+21.0%’19–’23

Polk County, Tennessee counts 17,702 residents. 7 cities and places have their primary county here. The median household income of $60,227 is below the Tennessee median ($67,097).

Between 2019 and 2023, Polk County's population grew 5.3% from 16,814 to 17,702, while its median household income rose 39.1% from $43,306 to $60,227.

80.4% of workers drive to work alone. 69.1% of homes are single-family detached houses.

Demographics

ACS 2019–2023
Population
17,702
Median age
46.2 yrs
Median household income
$60,227
Median home value
$136,400
Median gross rent
$668
Housing units
8,856
Homeownership rate
84.1%
Bachelor's degree or higher
14.7%
Unemployment rate
4.2%

Trends

ACS 5-year · 2019–2023
Population
16,81417,702
Median household income
$43,306$60,227
Median home value
$112,700$136,400
Median gross rent
$688$668
YearPopulationMedian household incomeMedian home valueMedian gross rent
201916,814$43,306$112,700$688
202016,807$45,326$112,700$655
202117,502$49,446$122,800$612
202217,620$53,775$128,200$678
202317,702$60,227$136,400$668

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

CountShare
Under 58184.6%
5 to 172,57514.5%
18 to 241,2837.2%
25 to 341,93210.9%
35 to 441,98811.2%
45 to 542,65215.0%
55 to 642,78915.8%
65 to 742,19912.4%
75 and over1,4668.3%

Race & ethnicity

CountShare
White (non-Hispanic)16,01190.4%
Black or African American1370.8%
American Indian & Alaska Native180.1%
Asian490.3%
Native Hawaiian & Pacific Islander00.0%
Some other race430.2%
Two or more races1,0756.1%
Hispanic or Latino (any race)3692.1%

Educational attainment (age 25+)

CountShare
No high school diploma1,86814.3%
High school graduate4,94638.0%
Some college or associate's4,30133.0%
Bachelor's degree1,1999.2%
Graduate or professional degree7125.5%

Commute to work

Mean travel time to work
31 min

How workers get to work

CountShare
Drove alone6,06180.4%
Carpooled7069.4%
Public transit70.1%
Walked1311.7%
Bicycle00.0%
Worked from home6028.0%
Other means350.5%

Travel time

CountShare
Under 15 min1,08915.7%
15 to 29 min2,18431.5%
30 to 44 min2,16731.2%
45 to 59 min70210.1%
60+ min79811.5%

Households

Average household size
2.45
Poverty rate
13.3% (2,314 of 17,343)
CountShare
Family households4,89568.5%
Nonfamily households2,24931.5%

Housing

Median year structure built
1991

Occupancy

CountShare
Occupied7,14480.7%
Vacant1,71219.3%

Tenure (of occupied units)

CountShare
Owner-occupied6,01184.1%
Renter-occupied1,13315.9%

Units in structure

CountShare
1-unit, detached6,11969.1%
1-unit, attached280.3%
2 to 4 units1972.2%
5 to 19 units2132.4%
20 or more units130.1%
Mobile home & other2,28625.8%

Geography

County GEOID
47139
State
Tennessee
Land area
435 sq mi
Water area
7.69 sq mi
Center point
35.1094, -84.5411

Cities & places

7

Compare with nearby counties

5

Tennessee rankings

21

Other counties in Tennessee

94