The typical owner-occupied home in Groton is worth about $758,500, 35% above the Massachusetts median of $562,100 and 2.3 times the national median of $332,700. Owners pay a median $10,001 a year in property taxes, about 1.32% of their home's value, higher than the Massachusetts rate of 1.07%. The median household earns $135,714 a year, so the median home costs 5.6 times the median income (5.4 times for Massachusetts). 75% of occupied homes here are lived in by their owners, and 77% of those owners still have a mortgage.
Groton at a glance
| Groton | Massachusetts | U.S. | |
|---|---|---|---|
| Median home value | $758,500 | $562,100 | $332,700 |
| Median property tax paid per year | $10,001 | $5,992 | $3,119 |
| Property tax as a share of value | 1.32% | 1.07% | 0.94% |
| Median household income | $135,714 | $103,960 | $80,734 |
| Homes lived in by their owners | 75% | 63% | 65% |
| Owner homes with a mortgage | 77% | 66% | 61% |
| Median monthly costs, owners with a mortgage | $3,826 | $2,726 | $1,963 |
| Those costs as a share of the owners' income | 24.2% | 21.9% | 21.0% |
| Median rent | $349 | $1,762 | $1,413 |
| Rent as a share of renters' income | 51.0% | 30.9% | 30.6% |
| Median year homes were built | 1954 | 1964 | 1980 |
| Vacant homes | 8.1% | 8.1% | 10.1% |
| Population | 1,232 | 7,044,056 | 334,922,499 |
What a typical home costs per month in Groton
At this week's average 30-year rate of 7.11%, buying the median Groton home of $758,500 with 20% down costs about $5,232 a month, including property taxes and insurance. With an FHA loan and 3.5% down, it's about $6,618, 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 $224,244 for the 20%-down payment. That payment is 46% of the median Groton household income of $135,714; at that income and 20% down, the 28% guideline points to a home of about $459,000.
The median rent here is $349 a month, so owning the median home costs about $4,883 a month more than renting, before you count the equity you build and any tax benefits.
| Down payment | $151,700 |
|---|---|
| Loan amount | $606,800 |
| Principal and interest | $4,082 |
| Property taxes (1.32% a year) | $834 |
| Homeowners insurance (our estimate, 0.5% a year) | $316 |
| PMI | $0 |
| Total per month | $5,232 |
Change the numbers in the calculator
| Down payment | $26,548 |
|---|---|
| Loan amount | $744,762 |
| Principal and interest | $5,010 |
| Property taxes (1.32% a year) | $834 |
| Homeowners insurance (our estimate, 0.5% a year) | $316 |
| FHA mortgage insurance | $457 |
| Total per month | $6,618 |
Change the numbers in the calculator
Questions about home buying in Groton
What is the median home value in Groton?
About $758,500 for owner-occupied homes, according to the Census Bureau's 2020–2024 American Community Survey.
How much are property taxes in Groton?
Homeowners pay a median $10,001 a year, which is about 1.32% 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 Groton?
For the median home with 20% down at 7.11%, the payment is about $5,232 a month. Keeping that under 28% of gross income takes about $224,244 a year.
More about Groton
- Mortgage Refinance in Groton
- Debt Relief in Groton
- Home Equity Loans in Groton
- 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