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Buying a home in Franklin County, Washington

The typical owner-occupied home in Franklin County is worth about $379,300, 33% below the Washington median of $564,600 and 14% above the national median of $332,700. Owners pay a median $2,750 a year in property taxes, about 0.73% of their home's value, lower than the Washington rate of 0.81%. The median household earns $86,714 a year, so the median home costs 4.4 times the median income (5.8 times for Washington). 71% of occupied homes here are lived in by their owners, and 66% of those owners still have a mortgage.

Franklin County at a glance

Franklin County Washington U.S.
Median home value $379,300 $564,600 $332,700
Median property tax paid per year $2,750 $4,556 $3,119
Property tax as a share of value 0.73% 0.81% 0.94%
Median household income $86,714 $98,141 $80,734
Homes lived in by their owners 71% 64% 65%
Owner homes with a mortgage 66% 66% 61%
Median monthly costs, owners with a mortgage $1,788 $2,445 $1,963
Those costs as a share of the owners' income 19.8% 22.2% 21.0%
Median rent $1,198 $1,760 $1,413
Rent as a share of renters' income 29.0% 30.0% 30.6%
Median year homes were built 1997 1985 1980
Vacant homes 4.1% 7.3% 10.1%
Population 98,902 7,816,116 334,922,499

What a typical home costs per month in Franklin County

At this week's average 30-year rate of 7.11%, buying the median Franklin County home of $379,300 with 20% down costs about $2,430 a month, including property taxes and insurance. With an FHA loan and 3.5% down, it's about $3,062, 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 $104,145 for the 20%-down payment. That payment is 34% of the median Franklin County household income of $86,714; at that income and 20% down, the 28% guideline points to a home of about $316,000.

The median rent here is $1,198 a month, so owning the median home costs about $1,232 a month more than renting, before you count the equity you build and any tax benefits.

20% down, 30-year conventional loan
Down payment$75,860
Loan amount$303,440
Principal and interest$2,041
Property taxes (0.73% a year)$231
Homeowners insurance (our estimate, 0.5% a year)$158
PMI$0
Total per month$2,430

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3.5% down, 30-year FHA loan
Down payment$13,276
Loan amount$372,430
Principal and interest$2,505
Property taxes (0.73% a year)$231
Homeowners insurance (our estimate, 0.5% a year)$158
FHA mortgage insurance$168
Total per month$3,062

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Questions about home buying in Franklin County

What is the median home value in Franklin County?

About $379,300 for owner-occupied homes, according to the Census Bureau's 2020–2024 American Community Survey.

How much are property taxes in Franklin County?

Homeowners pay a median $2,750 a year, which is about 0.73% 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 Franklin County?

For the median home with 20% down at 7.11%, the payment is about $2,430 a month. Keeping that under 28% of gross income takes about $104,145 a year.

More about Franklin 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