Karns, TN housing market
Homes typically sell in 29 days, a little above asking.
Home values, sales, trends and how Karns compares with the towns next door — updated as new data is published.
Karns at a glance
A seller's market
Supply is tight — about 2.6 months of homes for sale at the current pace. Buyers should expect competition on well-priced homes.
Home prices up 67% in 5 years
The federal house price index for the ZIP code around Karns rose 67% over the past 5 years, faster than across Tennessee (60%). Last year prices rose 5.7%. Carrying the Census median home value forward with that index puts the typical Karns home at roughly $608,000 today.
Show as a table
| Year | Change that year | Since 2000 | Tennessee since 2000 |
|---|---|---|---|
| 2025 | +5.7% | +202% | +186% |
| 2024 | +2.9% | +186% | +180% |
| 2023 | +9.9% | +178% | +167% |
| 2022 | +24% | +153% | +149% |
| 2021 | +13% | +104% | +105% |
| 2020 | +7% | +81% | +80% |
| 2019 | +3.4% | +69% | +72% |
| 2018 | +6.5% | +63% | +63% |
| 2017 | +5.2% | +53% | +52% |
| 2016 | +3.2% | +46% | +42% |
| 2015 | +1.9% | +41% | +34% |
| 2014 | +2.1% | +39% | +28% |
| 2013 | +1.4% | +36% | +23% |
| 2012 | −0.4% | +34% | +21% |
| 2011 | −2% | +35% | +23% |
| 2010 | −1% | +37% | +26% |
| 2009 | −2.1% | +39% | +30% |
| 2008 | 0% | +42% | +34% |
| 2007 | +4.6% | +42% | +33% |
| 2006 | +7.6% | +35% | +28% |
| 2005 | +7.8% | +26% | +20% |
| 2004 | +5.5% | +17% | +12% |
| 2003 | +2.9% | +11% | +8.2% |
| 2002 | +3.2% | +7.5% | +6.3% |
| 2001 | +4.1% | +4.1% | +3.8% |
| 2000 | — | — | — |
How Karns ranks on rising home prices →
Federal Housing Finance Agency House Price Index (annual, developmental) for ZIP code 37931, weighted by land area. It tracks repeat sales and appraisals of the same homes, so it shows how prices changed, not what homes cost. The estimated value scales the Census (ACS 2020-2024) median home value by that change.
3.3 years of income
The typical Karns home costs about 3.3 years of the town's median household income, less than across Tennessee (4.8 years).
How Karns ranks on affordability →
Home value ÷ ACS median household income.
Owners, rent & taxes
U.S. Census Bureau, ACS 2020-2024.
A two-bedroom rents for about $1,840
HUD's Fair Market Rent for a two-bedroom in Karns is $1,840 a month, utilities included: roughly what a modest, recently rented unit costs. Renters already in Karns pay a median of $1,765. A two-bedroom takes about 22% of the town's median household income.
Studio $1,470 · 4 bedrooms $2,720
U.S. Department of Housing and Urban Development, FY2026 Fair Market Rents by ZIP code (37931; Knoxville, TN HUD Metro FMR Area), weighted by land area. A Fair Market Rent is the 40th-percentile rent plus utilities for a standard unit. Median rent: U.S. Census Bureau, American Community Survey.
Home values: Zillow Home Value Index (ZHVI), Zillow Research. Sales, days on market and supply: Redfin Data Center, May 2026. Income, ownership, taxes and rent: U.S. Census Bureau, American Community Survey. Price trend: Federal Housing Finance Agency House Price Index. Fair Market Rents: U.S. Department of Housing and Urban Development. Listings link to their publishers.