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Buying a home in Madison County, Idaho

The typical owner-occupied home in Madison County is worth about $414,800, about the same as the Idaho median of $418,600 and 25% above the national median of $332,700. Owners pay a median $2,001 a year in property taxes, about 0.48% of their home's value, close to the Idaho rate of 0.49%. The median household earns $60,160 a year, so the median home costs 6.9 times the median income (5.4 times for Idaho). 40% of occupied homes here are lived in by their owners, and 59% of those owners still have a mortgage.

Madison County at a glance

Madison County Idaho U.S.
Median home value $414,800 $418,600 $332,700
Median property tax paid per year $2,001 $2,038 $3,119
Property tax as a share of value 0.48% 0.49% 0.94%
Median household income $60,160 $77,800 $80,734
Homes lived in by their owners 40% 72% 65%
Owner homes with a mortgage 59% 62% 61%
Median monthly costs, owners with a mortgage $1,704 $1,687 $1,963
Those costs as a share of the owners' income 21.5% 20.7% 21.0%
Median rent $1,014 $1,238 $1,413
Rent as a share of renters' income 29.6% 28.7% 30.6%
Median year homes were built 2002 1991 1980
Vacant homes 12.0% 10.3% 10.1%
Population 54,618 1,934,262 334,922,499

What a typical home costs per month in Madison County

At this week's average 30-year rate of 7.11%, buying the median Madison County home of $414,800 with 20% down costs about $2,571 a month, including property taxes and insurance. With an FHA loan and 3.5% down, it's about $3,262, 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 $110,188 for the 20%-down payment. That payment is 51% of the median Madison County household income of $60,160; at that income and 20% down, the 28% guideline points to a home of about $226,000.

The median rent here is $1,014 a month, so owning the median home costs about $1,557 a month more than renting, before you count the equity you build and any tax benefits.

20% down, 30-year conventional loan
Down payment$82,960
Loan amount$331,840
Principal and interest$2,232
Property taxes (0.48% a year)$166
Homeowners insurance (our estimate, 0.5% a year)$173
PMI$0
Total per month$2,571

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3.5% down, 30-year FHA loan
Down payment$14,518
Loan amount$407,287
Principal and interest$2,740
Property taxes (0.48% a year)$166
Homeowners insurance (our estimate, 0.5% a year)$173
FHA mortgage insurance$183
Total per month$3,262

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Questions about home buying in Madison County

What is the median home value in Madison County?

About $414,800 for owner-occupied homes, according to the Census Bureau's 2020–2024 American Community Survey.

How much are property taxes in Madison County?

Homeowners pay a median $2,001 a year, which is about 0.48% 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 Madison County?

For the median home with 20% down at 7.11%, the payment is about $2,571 a month. Keeping that under 28% of gross income takes about $110,188 a year.

More about Madison 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