The typical owner-occupied home in Williamstown is worth about $100,700, 60% below the Pennsylvania median of $254,500 and 70% below the national median of $332,700. Owners pay a median $1,339 a year in property taxes, about 1.33% of their home's value, close to the Pennsylvania rate of 1.30%. The median household earns $61,757 a year, so the median home costs 1.6 times the median income (3.3 times for Pennsylvania). 63% of occupied homes here are lived in by their owners, and 49% of those owners still have a mortgage.
Williamstown at a glance
| Williamstown | Pennsylvania | U.S. | |
|---|---|---|---|
| Median home value | $100,700 | $254,500 | $332,700 |
| Median property tax paid per year | $1,339 | $3,311 | $3,119 |
| Property tax as a share of value | 1.33% | 1.30% | 0.94% |
| Median household income | $61,757 | $77,971 | $80,734 |
| Homes lived in by their owners | 63% | 69% | 65% |
| Owner homes with a mortgage | 49% | 58% | 61% |
| Median monthly costs, owners with a mortgage | $1,161 | $1,762 | $1,963 |
| Those costs as a share of the owners' income | 19.3% | 19.4% | 21.0% |
| Median rent | $888 | $1,209 | $1,413 |
| Rent as a share of renters' income | 22.1% | 29.2% | 30.6% |
| Median year homes were built | 1938 | 1965 | 1980 |
| Vacant homes | 10.3% | 9.2% | 10.1% |
| Population | 1,345 | 13,018,639 | 334,922,499 |
What a typical home costs per month in Williamstown
At this week's average 30-year rate of 7.11%, buying the median Williamstown home of $100,700 with 20% down costs about $696 a month, including property taxes and insurance. With an FHA loan and 3.5% down, it's about $863, 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 $29,807 for the 20%-down payment. That payment is 14% of the median Williamstown household income of $61,757; at that income and 20% down, the 28% guideline points to a home of about $209,000.
The median rent here is $888 a month, a little more than the monthly cost of owning the median home with 20% down.
| Down payment | $20,140 |
|---|---|
| Loan amount | $80,560 |
| Principal and interest | $542 |
| Property taxes (1.33% a year) | $112 |
| Homeowners insurance (our estimate, 0.5% a year) | $42 |
| PMI | $0 |
| Total per month | $696 |
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| Down payment | $3,524 |
|---|---|
| Loan amount | $98,876 |
| Principal and interest | $665 |
| Property taxes (1.33% a year) | $112 |
| Homeowners insurance (our estimate, 0.5% a year) | $42 |
| FHA mortgage insurance | $45 |
| Total per month | $863 |
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Questions about home buying in Williamstown
What is the median home value in Williamstown?
About $100,700 for owner-occupied homes, according to the Census Bureau's 2020–2024 American Community Survey.
How much are property taxes in Williamstown?
Homeowners pay a median $1,339 a year, which is about 1.33% 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 Williamstown?
For the median home with 20% down at 7.11%, the payment is about $696 a month. Keeping that under 28% of gross income takes about $29,807 a year.
More about Williamstown
- Mortgage Refinance in Williamstown
- Debt Relief in Williamstown
- Home Equity Loans in Williamstown
- 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