Housing data for ZIP code 11787

ZIP code 11787 has an estimated 34,499 residents and 12,136 homes (US Census Bureau, 2020–2024 American Community Survey).

Most of its land lies in the Town of Smithtown, Suffolk County.

12.7% of households rent.

The median gross rent is $2,330 (±$319) a month.

The median home value is $679,800 (±$12,302).

The median household income is $143,101 (±$9,183) a year.

Figures last updated on .

Residents
34,499 (±1,736)
Median gross rent
$2,330
Median home value
$679,800
Households that rent
12.7%

How ZIP code 11787 compares

Estimate (90% margin of error)
ZIP 11787Town of SmithtownSuffolk CountyNew YorkUnited States
Residents34,499 (±1,736)116,0971,530,14619,852,366334,922,499
Housing units12,136 (±561)40,714580,7728,585,241143,775,355
Households that rent12.7% (±2.3 points)11.3%17.8%45.7%34.8%
Median gross rent$2,330 (±$319)$2,233$2,255$1,621$1,413
Median home value$679,800 (±$12,302)$669,900$578,400$423,800$332,700
Median household income$143,101 (±$9,183)$152,636$130,686$85,974$80,734
Median real estate taxes (a year)$10,000 or more$10,000 or more$10,000 or more$6,582$3,119
Renters paying 30% or more of income56.3% (±14.8 points)62.8%58.8%52.1%51.1%
Built before 198074.7% (±5.2 points)74.2%68.3%73.9%49.7%
Average commute32.4 minutes (±2.0)32.2 minutes31.1 minutes32.6 minutes26.4 minutes
Households with broadband95.6% (±1.5 points)95.4%93.2%90.8%91.0%
Median age of residents46.3 years (±1.6)44.4 years41.7 years39.8 years38.9 years

In ZIP 11787, median gross rent is not measurably different from Suffolk County ($2,255).

It is also higher than in New York ($1,621).

It is higher than the national figure ($1,413).

The median gross rent in ZIP code 11787 is not measurably different from the Town of Smithtown as a whole ($2,233).

Its median home value is not measurably different from the Town of Smithtown as a whole ($669,900).

Among the 83 ZIP codes in Suffolk County with a published estimate, ZIP 11787 ranks 40 from highest to lowest median gross rent.

Among the 101 ZIP codes in Suffolk County with a published estimate, ZIP 11787 ranks 43 from highest to lowest median home value.

Among the 97 ZIP codes in Suffolk County with a published estimate, ZIP 11787 ranks 38 from highest to lowest median household income.

Rankings use the estimates alone; where margins of error overlap, neighboring ranks may not truly differ.

Rent in ZIP code 11787

Share of rented homes in each gross-rent range, 2020–2024
Monthly gross rentZIP 11787Suffolk CountyNew YorkUnited States
Less than $5008.2% (±5.0 points)4.4%7.8%6.3%
$500 to $9999.7% (±6.7 points)5.4%15.2%20.2%
$1,000 to $1,4999.8% (±7.8 points)10.1%22.2%28.1%
$1,500 to $1,99911.4% (±8.0 points)17.5%19.8%21.1%
$2,000 to $2,49916.5% (±9.1 points)24.6%14.3%12.0%
$2,500 to $2,9994.2% (±3.7 points)16.8%7.6%5.5%
$3,000 or more40.2% (±10.2 points)21.2%13.2%6.8%

The most common range is $3,000 or more, paid by 40.2% of renting households.

Rent by bedrooms in ZIP code 11787

Median gross rent by number of bedrooms, estimate (90% margin of error)
BedroomsCensus median
1 bedroom$2,042 (±$1,005)
2 bedrooms$2,596 (±$814)
3 bedrooms$3,320 (±$504)
4 bedrooms$1,881 (±$1,261)

Rent burden in ZIP code 11787

Renting households by gross rent as a percentage of household income, 2020–2024
Share of income spent on rentZIP 11787Suffolk CountyNew YorkUnited States
Less than 15%12.4% (±7.6 points)10.6%14.0%12.6%
15% to 19.9%10.1% (±7.2 points)10.9%11.7%12.2%
20% to 24.9%11.6% (±10.0 points)9.8%11.5%12.6%
25% to 29.9%9.6% (±6.0 points)9.9%10.7%11.5%
30% to 34.9%17.9% (±9.6 points)9.8%9.0%9.2%
35% or more38.4% (±11.3 points)49.0%43.1%41.9%

56.3% (±14.8 points) of renting households in ZIP code 11787 spend 30% or more of their income on gross rent.

Home values in ZIP code 11787

Owner-occupied homes by value, 2020–2024
ValueZIP 11787Suffolk CountyNew YorkUnited States
Less than $50,0000.9% (±0.6 points)1.6%3.9%5.3%
$50,000 to $99,9991.1% (±0.7 points)1.3%5.6%6.1%
$100,000 to $149,9990.0% (±0.4 points)0.9%6.7%6.8%
$150,000 to $199,9990.8% (±0.5 points)1.0%8.3%9.0%
$200,000 to $299,9991.3% (±0.8 points)3.6%13.2%17.8%
$300,000 to $499,9999.1% (±2.0 points)29.4%19.7%26.9%
$500,000 to $999,99978.8% (±2.7 points)51.4%30.1%20.9%
$1,000,000 or more8.0% (±1.6 points)10.6%12.6%7.1%

Value is the owner’s own estimate of what the home and lot would sell for, not a sale price or an assessment.

The homes in ZIP code 11787

Housing units by units in structure, 2020–2024
Building typeZIP 11787Suffolk CountyNew YorkUnited States
Single-family, detached85.4% (±2.4 points)79.7%41.2%61.3%
Single-family, attached (townhouse, rowhouse)5.2% (±1.8 points)5.9%5.5%6.2%
2 units1.1% (±0.9 points)2.6%9.6%3.4%
3 or 4 units0.7% (±0.6 points)2.1%6.9%4.3%
5 to 9 units2.2% (±1.2 points)2.2%5.2%4.5%
10 to 19 units2.9% (±1.3 points)2.6%4.4%4.3%
20 or more units2.0% (±1.1 points)3.6%25.1%10.3%
Mobile home0.2% (±0.3 points)1.3%2.1%5.6%
Boat, RV, van, etc.0.1% (±0.2 points)0.0%0.0%0.1%

When the homes in ZIP code 11787 were built

Housing units by year structure built, 2020–2024
Year builtZIP 11787Suffolk CountyNew YorkUnited States
2020 or later0.2% (±0.2 points)0.7%0.8%2.0%
2010 to 20192.7% (±1.0 points)3.7%5.3%9.4%
2000 to 20097.3% (±2.1 points)8.3%6.4%13.6%
1990 to 19996.3% (±1.6 points)8.9%5.9%12.4%
1980 to 19898.8% (±1.8 points)10.2%7.7%12.9%
1970 to 197914.4% (±2.5 points)17.8%9.8%14.2%
1960 to 196934.2% (±3.2 points)19.7%12.1%9.9%
1950 to 195917.9% (±2.8 points)17.2%14.1%9.5%
1940 to 19493.5% (±1.1 points)4.5%7.6%4.4%
1939 or earlier4.7% (±1.4 points)9.1%30.3%11.7%

74.7% of the homes in ZIP code 11787 were built before 1980, so many fall under the federal lead-paint disclosure rules for homes built before 1978.

Heating fuel in ZIP code 11787

Occupied housing units by house heating fuel, 2020–2024
Fuel used mostZIP 11787Suffolk CountyNew YorkUnited States
Utility gas44.9% (±3.4 points)41.1%59.1%46.5%
Fuel oil, kerosene, etc.45.4% (±3.6 points)44.0%16.1%3.9%
Electricity6.0% (±1.4 points)9.2%15.4%41.3%
Bottled or tank gas (propane)1.6% (±0.8 points)4.0%4.9%4.9%
Wood0.2% (±0.2 points)0.5%1.3%1.4%
Solar energy0.5% (±0.5 points)0.3%0.1%0.3%
Coal or coke0.3% (±0.4 points)0.1%0.2%0.1%
Other fuel0.6% (±0.5 points)0.6%1.3%0.5%
No fuel used0.4% (±0.4 points)0.4%1.6%1.2%

How people in ZIP code 11787 get to work

Workers 16 and over by means of transportation to work, 2020–2024
Means of transportationZIP 11787Suffolk CountyNew YorkUnited States
Drove alone72.6% (±2.5 points)72.1%48.8%68.8%
Carpooled4.2% (±1.2 points)7.5%6.3%8.5%
Public transportation3.7% (±1.1 points)4.8%21.6%3.2%
Walked0.3% (±0.3 points)1.4%5.6%2.4%
Other means (bicycle, taxi, motorcycle)0.6% (±0.4 points)2.1%2.8%2.0%
Worked from home18.6% (±2.2 points)12.0%14.9%15.1%

Workers who live in ZIP code 11787 take an average of 32.4 minutes to get to work.

Places in ZIP code 11787

Places whose land overlaps this ZIP code, with the share of the ZIP’s land in each
PlaceShare of the ZIP’s land in this placeMedian gross rentHouseholds that rent
Town of Smithtown100%$2,23311.3%
Smithtown (community)72%$2,02011.4%
Hauppauge12%$2,64614.7%

A township or a New York town includes the villages inside it, so their shares can add up to more than the whole.

ZIP codes near 11787

Nearest ZIP codes with Census figures, by straight-line distance between their internal points
ZIP codeDistanceMedian gross rentMedian home valueMedian household incomeHouseholds that rent
117882.4 mi$2,659$653,900$149,72616.7%
117543.0 mi$1,955$624,700$123,39316.4%
117673.4 mi$2,254$637,900$152,9858.8%
117253.7 mi$2,622$670,000$168,2817.4%
117493.8 mi$2,019$477,400$116,3134.0%
117804.5 mi$2,316$723,200$144,57712.6%
117224.9 mi$2,055$436,600$114,04921.8%
117554.9 mi$2,157$601,600$119,36421.5%

Crime reported to police in Suffolk County

In 2025, the police departments that report for Suffolk County recorded 6 violent and 99 property crimes per 100,000 residents.

The FBI publishes crime by police department, not by ZIP code, so this is the figure for the county as a whole.

ZIP code 11787 is reported as ZIP Code Tabulation Area 11787: the Census Bureau’s area built from census blocks to match the ZIP code’s delivery area as closely as it can.

Survey years: 2020–2024 (American Community Survey 5-year estimates).

Margins of error are at the 90% confidence level.

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Questions about ZIP 11787

What is the median rent in ZIP code 11787?

The median gross rent in ZIP Code Tabulation Area 11787 is $2,330 (±$319) a month (2020–2024 American Community Survey).

What is the median home value in ZIP code 11787?

The median value of owner-occupied homes in ZIP code 11787 is $679,800 (±$12,302) (2020–2024 American Community Survey).

What is the median household income in ZIP code 11787?

The median household income in ZIP code 11787 is $143,101 (±$9,183) a year (2020–2024 American Community Survey).

What town is ZIP code 11787 in?

Most of ZIP code 11787’s land lies in the Town of Smithtown; it also covers Smithtown (community), Hauppauge.

Sources

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for ZCTA5 11787 (zip code tabulation area:11787).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The API needs a free key.

Request a Census API key.

DP05_0001E, DP05_0001M, DP04_0134E, DP04_0134M, DP04_0089E, DP04_0089M, DP03_0062E, DP03_0062M, DP04_0047PE, DP04_0047PM

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.

Figures last updated on .

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