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Polk County, Tennessee

Polk County profile, demographic data, and geographic information.

Polk County is a county located in Tennessee, United States of America. As of official census estimates, it has a reported population of 18,592. The land area covers 434.61 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Polk County
Official Title: Secretary
Address: PO BOX 128, BENTON TN 37307-0128

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 18,592 — 2025 / Census
Median Age 46.9 yrs ±0.6 2020-2024 / Census ACS 5-Year 2024
Total Households 7,424 ±253 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 9,064 ±28
Occupied Housing Units 7,424 ±253
Vacant Housing Units 1,640 ±256
Median Home Value $169,900 ±$13,999
Median Gross Rent $676 ±$58
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $62,522 ±$6,119
Per Capita Income $35,592 ±$3,030
Poverty Rate 13.9% ±2.1%
Population Below Poverty Level 2,452 ±364
Unemployment Rate 5.3% ±1.7%
Civilian Labor Force, Employed 7,546 ±375
Broadband Internet Rate 84% ±2.7%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at CLEVELAND FLTR PLT, TN US, located 16.1 miles from Polk County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 50.0° 29.4° 39.7° 5.20" 0.2"
February 54.6° 32.6° 43.6° 4.88" 0.6"
March 62.7° 38.8° 50.8° 5.56" 0.0"
April 72.4° 46.7° 59.5° 5.01" 0.0"
May 79.5° 55.6° 67.5° 4.58" 0.0"
June 86.1° 64.0° 75.1° 4.90" 0.0"
July 89.0° 67.8° 78.4° 5.14" 0.0"
August 88.4° 66.8° 77.6° 3.84" 0.0"
September 83.0° 60.1° 71.6° 4.67" 0.0"
October 73.0° 47.6° 60.3° 3.52" 0.0"
November 61.3° 36.7° 49.0° 4.85" 0.0"
December 52.6° 32.2° 42.4° 5.47" 0.3"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 47139. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.