SMITHTOWN, NY ZIP Code

CitySMITHTOWN
StateNew York
ZIP Codes count2 (see all)
Post offices count3 (see all)
Total population26,298 (see all)
ZIP Codes for SMITHTOWN, New York
11787, 11788
This list contains only 5-digit ZIP codes. Use our zip code lookup by address feature to get the full 9-digit (ZIP+4) code.

ZIP Codes for SMITHTOWN, NY by streets

Select a street from the list to find ZIP+4 code by address (street and house number)

List of SMITHTOWN, NY ZIP Codes

ZIPTYPEPOPULATION
11787STANDARD34,815
11788STANDARD16,578

Post offices

HAUPPAUGE — Post Office
960 WHEELER RD HAUPPAUGE, NY 11788-2847
HAUPPAUGE INDUSTRIAL PARK — Post Office
150 OSER AVE HAUPPAUGE, NY 11788-3711
SMITHTOWN — Post Office
25 ROUTE 111 SMITHTOWN, NY 11787-3743

Envelope example

On the bottom center of the envelope, write the address you want your letter delivered to. Include the following on separate lines:

  1. Recipient's full name
  2. Full street address
  3. City, State, and ZIP Code

Using the same format, write the return address in the top left corner.

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The recipient address information is provided for your reference.
The recipient address information is provided for your reference.

Address example

8 FAIRVIEW AVE
SMITHTOWN NY  11787-2707
29 FARMHOUSE LN
SMITHTOWN NY  11787-4768
6 HIAWATHA LN
SMITHTOWN NY  11787-1307
173 SAINT NICHOLAS AVE
SMITHTOWN NY  11787-1256
34 SAXON CT
SMITHTOWN NY  11787-4121
21 STERLING LN
SMITHTOWN NY  11787-4738

Map

Census data for SMITHTOWN, NY

Demographic and housing estimates in SMITHTOWN, NY

Total population
Total population26,298
Male12,909
Female13,389
Population by age
Total population26,298
Under 5 years1,192
5 to 9 years1,426
10 to 14 years1,700
15 to 19 years1,855
20 to 24 years1,601
25 to 34 years2,403
35 to 44 years2,860
45 to 54 years4,885
55 to 59 years2,200
60 to 64 years1,357
65 to 74 years2,775
75 to 84 years1,428
85 years and over616
Median age (years)45.4
Under 18 years5,551
16 years and over21,682
18 years and over20,747
21 years and over19,830
62 years and over5,613
65 years and over4,819
Population by race
Total population26,298
One race25,978
   White24,005
   Black or African American314
   American Indian and Alaska Native7
   Asian1,277
   Native Hawaiian and Other Pacific Islander0
   Some other race375
Two or more races320
Citizen, voting age population
Citizen, VOTING AGE 18 and over population20,374
Male Citizen, VOTING AGE 18 and over population9,709
Female Citizen, VOTING AGE 18 and over population10,665

Social characteristics in SMITHTOWN, NY

Households by type
Total households8,888
Family households (families)6,668
Married-couple family5,975
Male householder, no wife present, family192
Female householder, no husband present, family501
Nonfamily households2,220
Average household size2.87
Average family size3.35

Economic characteristics in SMITHTOWN, NY

Income and benefits (in 2018 inflation-adjusted dollars)
Total households8,888
Less than $10,000200
$10,000 to $14,999184
$15,000 to $24,999421
$25,000 to $34,999410
$35,000 to $49,999614
$50,000 to $74,999797
$75,000 to $99,999786
$100,000 to $149,9991,841
$150,000 to $199,9991,433
$200,000 or more2,202
Median household income (dollars)129,926

Housing characteristics in SMITHTOWN, NY

Housing occupancy
Total housing units9,369
Occupied housing units8,888
Vacant housing units481
Units in structure
Total housing units9,369
1-unit, detached8,015
1-unit, attached191
2 units309
3 or 4 units77
5 to 9 units296
10 to 19 units368
20 or more units105
Mobile home8
Boat, RV, van, etc.0
Year structure built
Total housing units9,369
Built 2014 or later9
Built 2010 to 201379
Built 2000 to 2009364
Built 1990 to 1999811
Built 1980 to 1989925
Built 1970 to 19791,804
Built 1960 to 19693,280
Built 1950 to 19591,537
Built 1940 to 1949200
Built 1939 or earlier360
Rooms
Total housing units9,369
1 room142
2 rooms143
3 rooms592
4 rooms353
5 rooms485
6 rooms1,399
7 rooms1,318
8 rooms2,140
9 rooms or more2,797
Median rooms7.6
Bedrooms
Total housing units9,369
No bedroom142
1 bedroom790
2 bedrooms608
3 bedrooms3,142
4 bedrooms3,503
5 or more bedrooms1,184
Housing tenure
Occupied housing units8,888
Owner-occupied7,683
Renter-occupied1,205
Average household size of owner-occupied unit3.01
Average household size of renter-occupied unit1.97
Year householder moved into unit
Occupied housing units8,888
Moved in 2017 or later81
Moved in 2015 to 2016392
Moved in 2010 to 20141,768
Moved in 2000 to 20092,531
Moved in 1990 to 19991,932
Moved in 1989 and earlier2,184
Value
Owner-occupied units7,683
Less than $50,00060
$50,000 to $99,99976
$100,000 to $149,999100
$150,000 to $199,99953
$200,000 to $299,99992
$300,000 to $499,9993,398
$500,000 to $999,9993,597
$1,000,000 or more307
Median (dollars)505,300
Mortgage status
Owner-occupied units7,683
Housing units with a mortgage5,255
Housing units without a mortgage2,428
Gross rent
Occupied units paying rent1,096
Less than $500218
$500 to $999162
$1,000 to $1,499201
$1,500 to $1,999223
$2,000 to $2,499176
$2,500 to $2,99941
$3,000 or more75
Median (dollars)1,448
No rent paid109
Data is based on 2018 Census

ZIP Codes for other locations

State for SMITHTOWN
New York ZIP Codes
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