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Buying a home in Prospect Heights, Illinois

The typical owner-occupied home in Prospect Heights is worth about $346,500, 32% above the Illinois median of $263,300 and 4% above the national median of $332,700. Owners pay a median $7,289 a year in property taxes, about 2.10% of their home's value, close to the Illinois rate of 2.01%. The median household earns $85,008 a year, so the median home costs 4.1 times the median income (3.2 times for Illinois). 67% of occupied homes here are lived in by their owners, and 47% of those owners still have a mortgage.

Prospect Heights at a glance

Prospect Heights Illinois U.S.
Median home value $346,500 $263,300 $332,700
Median property tax paid per year $7,289 $5,298 $3,119
Property tax as a share of value 2.10% 2.01% 0.94%
Median household income $85,008 $83,390 $80,734
Homes lived in by their owners 67% 67% 65%
Owner homes with a mortgage 47% 61% 61%
Median monthly costs, owners with a mortgage $2,506 $1,987 $1,963
Those costs as a share of the owners' income 23.8% 20.6% 21.0%
Median rent $1,475 $1,274 $1,413
Rent as a share of renters' income 25.6% 29.1% 30.6%
Median year homes were built 1976 1971 1980
Vacant homes 3.4% 7.7% 10.1%
Population 15,618 12,694,798 334,922,499

What a typical home costs per month in Prospect Heights

At this week's average 30-year rate of 7.11%, buying the median Prospect Heights home of $346,500 with 20% down costs about $2,615 a month, including property taxes and insurance. With an FHA loan and 3.5% down, it's about $3,193, 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 $112,092 for the 20%-down payment. That payment is 37% of the median Prospect Heights household income of $85,008; at that income and 20% down, the 28% guideline points to a home of about $263,000.

The median rent here is $1,475 a month, so owning the median home costs about $1,140 a month more than renting, before you count the equity you build and any tax benefits.

20% down, 30-year conventional loan
Down payment$69,300
Loan amount$277,200
Principal and interest$1,865
Property taxes (2.10% a year)$606
Homeowners insurance (our estimate, 0.5% a year)$144
PMI$0
Total per month$2,615

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3.5% down, 30-year FHA loan
Down payment$12,128
Loan amount$340,224
Principal and interest$2,289
Property taxes (2.10% a year)$606
Homeowners insurance (our estimate, 0.5% a year)$144
FHA mortgage insurance$153
Total per month$3,193

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Questions about home buying in Prospect Heights

What is the median home value in Prospect Heights?

About $346,500 for owner-occupied homes, according to the Census Bureau's 2020–2024 American Community Survey.

How much are property taxes in Prospect Heights?

Homeowners pay a median $7,289 a year, which is about 2.10% 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 Prospect Heights?

For the median home with 20% down at 7.11%, the payment is about $2,615 a month. Keeping that under 28% of gross income takes about $112,092 a year.

More about Prospect Heights

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