Cost of Living in Smithtown, NY
Cost of Living in Smithtown, NY has an overall index of 153, 53% above the U.S. baseline of 100. The typical home value is $661,400; typical monthly rent is $1,851; and median household income is $148,852.
Cost index: committed city housing/rent inputs and BEA 2024 metro-area price parities. Home value: Census ACS 2023 fallback place estimate. Rent: Census ACS 2023 fallback place estimate. A place-level signal, not a personal affordability decision or financial recommendation.
Housing costs sit well above the national baseline. This describes the local market, not your household.
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Frequently asked questions about Smithtown
Living in Smithtown
Is Smithtown, NY an expensive place to live?+
Yes — Smithtown is about 53% more expensive than the national average, with an overall Cost Index of 153. Housing is the biggest factor: the typical home here is valued around $661,400, and monthly rents average roughly $1,851. Day-to-day costs like groceries and utilities tend to run higher than average as well.
How does Smithtown fit a household housing budget?+
Start with housing. Typical monthly rent is $1,851, while local median household income is $148,852. That implies a rent-burden proxy of about 15% before utilities and other costs. Use that as a planning signal for whether the place looks manageable under your own household assumptions.
How much are taxes in Smithtown, NY?+
New York uses a progressive model; 10.9% is top marginal-rate context. Applying the 1.72% state-level effective owner-occupied proxy to a home worth $661,400 gives a planning estimate near $11,376 per year; it is not a city, county, parcel, or individual tax bill. State plus average local sales-tax context is around 8.52%.
How much does it cost to rent in Smithtown, NY?+
The typical monthly rent in Smithtown is around $1,851. That's about 37% higher than the $1,348 national median. For comparison, the median home value here is $661,400, so buyers should also factor in mortgage payments, property taxes, and insurance.
How much does a house cost in Smithtown, NY?+
The typical home value in Smithtown is $661,400. With 20% down and the committed 6.11% national 30-year fixed benchmark as of 2026-03-12, principal and interest are roughly $3,210/month before property tax and insurance. This is a planning estimate, not a local lender quote. About 88% of residents here own their homes.
Are groceries and utilities expensive in Smithtown?+
Grocery prices in Smithtown are noticeably pricier compared to the rest of the US (index: 110, where 100 is the national average). Utility bills (electricity, gas, water) are on the high side (index: 127). Both add meaningful weight to your monthly budget here.
What is Smithtown, NY like to live in?+
Smithtown is a small town with a population of about 24,940. The median age of residents is 47.5, skewing somewhat older — common in established suburban communities. The local poverty rate is 3.87%, well below the national average of 12.4%.