Cost to Own
United StatesIllinoisMontgomery County FIPS 17135 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Montgomery County, Illinois

A $102,000 home here costs

$1,089

per month, all in — with 20% down at today's 6.66% 30-year fixed rate.

A standard mortgage calculator would have told you $524. The real number is $565 higher every month — 108% more than the payment most buyers budget for.

County median: $102,200
Under 20% adds PMI
Freddie Mac PMMS
US average household

Where every dollar goes

Only the first line is a mortgage payment. Change any assumption above and every figure below recalculates.

Principal & interest30-year fixed, $81,600 borrowed $524
Property tax1.720% effective rate — Montgomery County assessor via Census ACS $146
Homeowners insuranceEstimated at 0.60% of home value per year $51
Electricity23.85¢/kWh — Illinois residential average, EIA $214
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year — the cost nobody budgets $85
Total monthly $1,089

How Montgomery County compares

Montgomery County ranks 209th of 3,133 US counties by effective property tax rate, meaning property taxes here are lower than in 2,924 counties and higher than in 208. Within Illinois it ranks 60th of 102.

Montgomery County 1.720% 105% higher than national
Illinois average 1.831%
National median0.837%
Highest in America — Menominee County, WI3.636%

The numbers behind this page

MeasureMontgomery CountySource
Median home value$102,200ACS B25077
Median real estate taxes paid$1,758ACS B25103
Effective property tax rate1.720%Derived
Median gross rent$715ACS B25064
Occupied housing units11,265ACS B25003
Population28,078ACS B01003
Residential electricity price23.85¢/kWhEIA 5.6.A
30-year fixed mortgage rate6.66%Freddie Mac PMMS

Other counties in Illinois

Compare the cost of the same home elsewhere in the state.

All 102 counties in Illinois

Questions about owning here

What is the property tax rate in Montgomery County?

The effective property tax rate in Montgomery County, Illinois is 1.720% of home value per year. On the county's median home value of $102,200, that works out to about $1,758 annually, or $147 per month.

How much does it cost to own a home in Montgomery County?

A $102,000 home in Montgomery County, Illinois costs approximately $1,089 per month with 20% down at 6.66%. That breaks down as $524 principal and interest, $146 property tax, $51 insurance, $282 utilities and $85 set aside for maintenance.

Why is this higher than the payment my lender quoted?

Lender quotes usually show principal and interest only, and sometimes property tax and insurance. They almost never include electricity, water or a maintenance reserve. Here those add about $367 a month, which is why the real cost is 108% above the mortgage payment alone.

Is it cheaper to rent in Montgomery County?

Median gross rent in Montgomery County, Illinois is $715 per month, compared with $1,089 to own the median home outright. Renting is cheaper month to month, though rent does not build equity and is not fixed for 30 years.

How much is the electric bill in Montgomery County?

Illinois residential electricity averages 23.85¢ per kWh. At the US average household usage of 899 kWh per month, that is about $214. Actual bills vary considerably with house size, insulation and climate.

Sources & methodology

  • Median home value, real estate taxes paid, gross rent, occupied units and population — US Census Bureau, American Community Survey ACS 2023 5-Year, tables B25077, B25103, B25064, B25003, B01003.
  • Effective property tax rate — median real estate taxes paid divided by median home value.
  • Mortgage rate — Freddie Mac PMMS, updated weekly.
  • Residential electricity price — US Energy Information Administration, Electric Power Monthly, Table 5.6.A.
  • Homeowners insurance (0.60%/yr), maintenance (1%/yr) and water and sewer ($68/mo) are modelled national estimates, not quoted figures. Every one is editable above.

Full methodology