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Buying a home in Knox County, Tennessee

The typical owner-occupied home in Knox County is worth about $320,900, 12% above the Tennessee median of $286,700 and 4% below the national median of $332,700. Owners pay a median $1,367 a year in property taxes, about 0.43% of their home's value, lower than the Tennessee rate of 0.50%. The median household earns $74,222 a year, so the median home costs 4.3 times the median income (4.1 times for Tennessee). 65% of occupied homes here are lived in by their owners, and 61% of those owners still have a mortgage.

Knox County at a glance

Knox County Tennessee U.S.
Median home value $320,900 $286,700 $332,700
Median property tax paid per year $1,367 $1,442 $3,119
Property tax as a share of value 0.43% 0.50% 0.94%
Median household income $74,222 $69,595 $80,734
Homes lived in by their owners 65% 67% 65%
Owner homes with a mortgage 61% 58% 61%
Median monthly costs, owners with a mortgage $1,589 $1,566 $1,963
Those costs as a share of the owners' income 18.4% 19.6% 21.0%
Median rent $1,261 $1,189 $1,413
Rent as a share of renters' income 30.1% 29.5% 30.6%
Median year homes were built 1985 1987 1980
Vacant homes 8.0% 10.2% 10.1%
Population 494,148 7,066,383 334,922,499

What a typical home costs per month in Knox County

At this week's average 30-year rate of 7.11%, buying the median Knox County home of $320,900 with 20% down costs about $1,976 a month, including property taxes and insurance. With an FHA loan and 3.5% down, it's about $2,510, because the loan is bigger and FHA adds mortgage insurance.

Lenders usually want housing costs under about 28% of gross income, which means an income of roughly $84,672 for the 20%-down payment. That payment is 32% of the median Knox County household income of $74,222; at that income and 20% down, the 28% guideline points to a home of about $281,000.

The median rent here is $1,261 a month, so owning the median home costs about $715 a month more than renting, before you count the equity you build and any tax benefits.

20% down, 30-year conventional loan
Down payment$64,180
Loan amount$256,720
Principal and interest$1,727
Property taxes (0.43% a year)$115
Homeowners insurance (our estimate, 0.5% a year)$134
PMI$0
Total per month$1,976

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3.5% down, 30-year FHA loan
Down payment$11,232
Loan amount$315,088
Principal and interest$2,120
Property taxes (0.43% a year)$115
Homeowners insurance (our estimate, 0.5% a year)$134
FHA mortgage insurance$142
Total per month$2,510

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Questions about home buying in Knox County

What is the median home value in Knox County?

About $320,900 for owner-occupied homes, according to the Census Bureau's 2020–2024 American Community Survey.

How much are property taxes in Knox County?

Homeowners pay a median $1,367 a year, which is about 0.43% of the median home value. Your bill depends on your home's assessed value and local rates.

What income do you need to buy a home in Knox County?

For the median home with 20% down at 7.11%, the payment is about $1,976 a month. Keeping that under 28% of gross income takes about $84,672 a year.

More about Knox County

Sources: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates; Freddie Mac Primary Mortgage Market Survey, week of November 12, 2026. Estimates for small places have wide margins of error. About our data