Smithtown, NY demographics:
population, income, and more

Total population
24,375
-2.3% year-over-year change
Median household income
$150,664/yr
1.2% year-over-year change
Housing units
8,235
-2.1% year-over-year change

Smithtown population

How many people live in Smithtown

Smithtown is home to 24,375 residents, according to the most recent Census data. Gender-wise, 50.1% of Smithtown locals are male, and 49.9% are female.

Total population
24,375
-2.3% year-over-year change
Gender ratio
Male
50.1%
12,208
Female
49.9%
12,167
Value Percent YoY change
Male 12,208 50.1% -0.7%
Female 12,167 49.9% -3.8%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Smithtown is 47, with the population distributed as follows: about 15.4% are children under 15, then 13.6% are in the 15 to 24 age group. Adults between 25 and 44 make up 19.2% of the population, while another 32.8% fall into the 45 to 64 bracket. Finally, around 19% are 65 or older.

Median age
47
Age breakdown
Under 15
15.4%
15 to 24
13.6%
25 to 44
19.2%
45 to 64
32.8%
Over 65
19%
Value Percent YoY change
Under 15 3,758 15.4% -2.8%
15 to 24 3,304 13.6% 1.4%
25 to 44 4,686 19.2% 1.1%
45 to 64 7,987 32.8% -7.2%
Over 65 4,640 19% 1.5%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Smithtown, 89.5% of the population are US-born citizens, while 8.8% have gained naturalized citizenship. At the same time, 1.6% of residents are non-citizens. As for race, 82.3% of locals are Caucasian, 1.6% are African American and 4.6% have Asian roots. There’s also a share of 8.7% that includes residents with two or more races.

Citizenship
U.S.-born citizens
89.5%
Non-U.S.-born citizens
8.8%
Non-citizens
1.6%
Value Percent YoY change
U.S.-born citizens 21,820 89.5% -4.0%
Non-U.S.-born citizens 2,156 8.8% 15.5%
Non-citizens 399 1.6% 14.3%
Racial breakdown
White
82.3%
Black or African American
1.6%
American Indian and Alaska Native
0.1%
Asian
4.6%
Native Hawaiian and other Pacific Islander
0%
Two or more races
8.7%
Other
2.7%
Value Percent
White 20,070 82.3%
Black or African American 390 1.6%
American Indian and Alaska Native 20 0.1%
Asian 1,118 4.6%
Two or more races 2,126 8.7%
Other 651 2.7%

Households in Smithtown

A peek inside Smithtown households

Smithtown has 8,033 households, with an average of 3 members in each. Of these, 76.8% are families, while the remaining 23.2% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
8,033
-2.6% year-over-year change
Average people per household
3
Non-family households
1,865
Family households
6,168
Value Percent YoY change
Non-family households 1,865 23.2% -2.5%
Family households 6,168 76.8% -2.6%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Smithtown

The housing landscape of Smithtown

Smithtown's housing consists of 8,235 units, with 89.2% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 3.4% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 0.3% of the housing landscape.

Housing units
8,235
-2.1% year-over-year change
Housing types
Value Percent
1 unit, detached 7,350 89.2%
1 unit, attached 279 3.4%
2 units 6 0.1%
3 or 4 units 32 0.4%
5 to 9 units 131 1.6%
10 to 19 units 210 2.6%
20 to 49 units 27 0.3%
50 or more units 174 2.1%
Mobile home 26 0.3%
Homes built since 2020
6
-14.3% year-over-year change

The age of buildings in Smithtown

In Smithtown, the median construction year is 1967. About 5.8% of homes were built before the 1940s, with another 3.6% going up by 1949. Most development happened in the second half of the 20th century. Then, 7.8% of homes were added from 2000 to 2009, 1.5% between 2010 and 2019, and 0.1% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 476 5.8% -5.4%
Built between 1940 and 1949 295 3.6% 28.8%
Built between 1950 and 1959 1,265 15.4% -5.1%
Built between 1960 and 1969 2,866 34.8% -9.9%
Built between 1970 and 1979 1,204 14.6% 1.5%
Built between 1980 and 1989 774 9.4% 1.3%
Built between 1990 and 1999 586 7.1% -0.5%
Built between 2000 and 2009 639 7.8% 28.6%
Built between 2010 and 2019 124 1.5% 0.0%
Built in 2020 or later 6 0.1% -14.3%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Smithtown occupancy rates

Out of the 8,033 occupied housing units in Smithtown, 88.6% are owner-occupied, while 11.4% are lived in by tenants. Meanwhile, 2.5% of all homes on the local market sit vacant.

Occupied housing units
8,033
-2.6% year-over-year change
Occupancy breakdown
Renter occupied
913
Owner occupied
7,120
Value Percent YoY
change
Renter occupied 913 11.4% -7.0%
Owner occupied 7,120 88.6% -2.0%
Unoccupied housing units
2.5%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Smithtown housing costs

Housing costs in Smithtown come to a median of $2,763 per month, while tenants specifically pay a median gross rent of $2,020.

Median housing costs per month
$2,763/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Smithtown
$2,020/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Smithtown

Smithtown education at a glance

About 22.1% of the population in Smithtown went to high school, while 16.1% pursued college studies. Another 9.8% earned an associate degree and 30.1% hold a bachelor’s. Meanwhile, 19.2% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 520 2.7% -16.0%
High school diploma 4,309 22.1% -2.6%
College diploma 3,147 16.1% -0.9%
Associate degree 1,921 9.8% -6.6%
Bachelor's degree 5,869 30.1% 5.6%
Graduate degree 3,738 19.2% -6.8%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Smithtown

How much people earn in Smithtown

The average annual household income in Smithtown was $182,963 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -1.3% change from the previous year. At the same time, the median income stood at $150,664, reflecting a +1.2% shift over the same period.

Average household income in Smithtown
$182,963/year
-1.3% year-over-year change
Median household income in Smithtown
$150,664/year
1.2% year-over-year change

Smithtown income by age

In Smithtown, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $181,136. Those with someone between 45 and 64 in charge, often well established professionally, earn $187,929 overall. Overall, 96% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $181,136 10.6%
45 - 64 $187,929 -1.1%
Over 65 $96,250 1.5%
Above poverty level
22,633
Below poverty level
944
Value Percent YoY
change
Above poverty level 22,633 96% -2.6%
Below poverty level 944 4% 2.2%

Average renter income in Smithtown

To get a better sense of what renters earn on average in Smithtown, their median household income was $47,548 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 51%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$47,548
Rent-to-income ratio
51%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Smithtown

Workforce and job types in Smithtown

The job market in Smithtown is powered by 12,808 working residents, spread across a range of industries and roles. 90.9% of the working population are employed in professional or administrative positions, while 9.1% are in hands-on or service-based jobs. Also, 11% run their own businesses, 60.7% are employed by private companies, and 21.4% work in the public sector.

Workforce demographics

Working population
12,808
-1.8% year-over-year change
White collar
11,643
Blue collar
1,165
Value Percent YoY change
White collar 11,643 90.9% -0.7%
Blue collar 1,165 9.1% -11.9%
Employer type
Self employees
11%
Private companies
60.7%
Governmental workers
21.4%
Not for profit companies
6.9%
Value Percent YoY change
Self employees 1,415 11% -0.1%
Private companies 7,772 60.7% -3.4%
Governmental workers 2,740 21.4% -0.2%
Not for profit companies 881 6.9% 5.1%
Unemployment rate
3.1%
-8.0% year-over-year change

Available workforce

The unemployment rate in Smithtown stands at 3.1%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Smithtown

How people get around in Smithtown

Commuting methods vary: 76.5% of residents travel by personal vehicle and 0.3% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 9,704 76.5% -5.0%
Taxicab 20 0.2% 0.0%
Bus or trolleybus 11 0.1% -8.3%
Subway or elevated 54 0.4% N/A
Railroad 427 3.4% 11.2%
Walk 35 0.3% -25.5%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Smithtown by zipcode?

Zipcode Population Number of households Median income Average income
11787 34,499 11,857 $143,101 $172,128

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FAQs about Smithtown demographics 

What is the total population of Smithtown?

Smithtown has a total population of 24,375 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -2.3% compared to a year ago.

What is the gender ratio in Smithtown?

The gender ratio in Smithtown is as follows:
  • 50.1% males (12,208 residents)
  • 49.9% females (12,167 residents)

What is the median age in Smithtown?

The median age in Smithtown is 47.

What is the age distribution of the population in Smithtown?

The age distribution in Smithtown is as follows:
  • Under 15: 15.4% (3,758 residents)
  • Ages 15-24: 13.6% (3,304 residents)
  • Ages 25-44: 19.2% (4,686 residents)
  • Ages 45-64: 32.8% (7,987 residents)
  • Over 65: 19% (4,640 residents)

What is the racial and ethnic makeup of Smithtown?

The racial and ethnic makeup of Smithtown is as follows:
  • White: 82.3% (20,070 residents)
  • Black or African American: 1.6% (390 residents)
  • American Indian and Alaska Native: 0.1% (20 residents)
  • Asian: 4.6% (1,118 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 8.7% (2,126 residents)
  • Other: 2.7% (651 residents)

What percentage of the population in Smithtown are U.S.-born citizens?

U.S.-born citizens represent 89.5% of the population in Smithtown.

How many housing units are there in Smithtown?

There are 8,235 housing units in Smithtown, reflecting a -2.1% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Smithtown and what is the average household size?

Smithtown has a total of 8,033 households, with an average of 3 people in each.

What is the median household income in Smithtown?

Smithtown has a median household income of $150,664, representing a +1.2% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Smithtown?

The employment rate is 96.9% in Smithtown, with a workforce of 12,808 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 90.9% (11,643 residents)
  • Blue-collar workers: 9.1% (1,165 residents)

Places of employment:
  • Self-employed: 11% (1,415 residents)
  • Private companies: 60.7% (7,772 residents)
  • Governmental workers: 21.4% (2,740 residents)
  • Not-for-profit companies: 6.9% (881 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025