The typical owner-occupied home in Saint Joseph is worth about $270,900, 3% above the Illinois median of $263,300 and 19% below the national median of $332,700. Owners pay a median $5,236 a year in property taxes, about 1.93% of their home's value, close to the Illinois rate of 2.01%. The median household earns $120,789 a year, so the median home costs 2.2 times the median income (3.2 times for Illinois). 85% of occupied homes here are lived in by their owners, and 59% of those owners still have a mortgage.
Saint Joseph at a glance
| Saint Joseph | Illinois | U.S. | |
|---|---|---|---|
| Median home value | $270,900 | $263,300 | $332,700 |
| Median property tax paid per year | $5,236 | $5,298 | $3,119 |
| Property tax as a share of value | 1.93% | 2.01% | 0.94% |
| Median household income | $120,789 | $83,390 | $80,734 |
| Homes lived in by their owners | 85% | 67% | 65% |
| Owner homes with a mortgage | 59% | 61% | 61% |
| Median monthly costs, owners with a mortgage | $1,937 | $1,987 | $1,963 |
| Those costs as a share of the owners' income | 16.0% | 20.6% | 21.0% |
| Median rent | $968 | $1,274 | $1,413 |
| Rent as a share of renters' income | 25.6% | 29.1% | 30.6% |
| Median year homes were built | 1996 | 1971 | 1980 |
| Vacant homes | 0.5% | 7.7% | 10.1% |
| Population | 3,778 | 12,694,798 | 334,922,499 |
What a typical home costs per month in Saint Joseph
At this week's average 30-year rate of 7.11%, buying the median Saint Joseph home of $270,900 with 20% down costs about $2,006 a month, including property taxes and insurance. With an FHA loan and 3.5% down, it's about $2,458, 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 $85,991 for the 20%-down payment. That payment is 20% of the median Saint Joseph household income of $120,789; at that income and 20% down, the 28% guideline points to a home of about $381,000.
The median rent here is $968 a month, so owning the median home costs about $1,038 a month more than renting, before you count the equity you build and any tax benefits.
| Down payment | $54,180 |
|---|---|
| Loan amount | $216,720 |
| Principal and interest | $1,458 |
| Property taxes (1.93% a year) | $436 |
| Homeowners insurance (our estimate, 0.5% a year) | $113 |
| PMI | $0 |
| Total per month | $2,006 |
Change the numbers in the calculator
| Down payment | $9,482 |
|---|---|
| Loan amount | $265,993 |
| Principal and interest | $1,789 |
| Property taxes (1.93% a year) | $436 |
| Homeowners insurance (our estimate, 0.5% a year) | $113 |
| FHA mortgage insurance | $120 |
| Total per month | $2,458 |
Change the numbers in the calculator
Questions about home buying in Saint Joseph
What is the median home value in Saint Joseph?
About $270,900 for owner-occupied homes, according to the Census Bureau's 2020–2024 American Community Survey.
How much are property taxes in Saint Joseph?
Homeowners pay a median $5,236 a year, which is about 1.93% 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 Saint Joseph?
For the median home with 20% down at 7.11%, the payment is about $2,006 a month. Keeping that under 28% of gross income takes about $85,991 a year.
More about Saint Joseph
- Mortgage Refinance in Saint Joseph
- Debt Relief in Saint Joseph
- Home Equity Loans in Saint Joseph
- Guides and quotes for mortgage refinance on our sister site, MortgageRefinance.com
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