ZIP Code 11783
| ZIP Code | 11783 |
| City | SEAFORD |
| State | NY |
| Type | STANDARD |
| Post offices count | 1 (see all) |
| Total population | 21,830 (see all) |
Cities in ZIP Code 11783
Primary city: SEAFORD, NYPost offices
SEAFORD — Post Office™ 3575 MERRICK RD SEAFORD, NY 11783-2850 MoreSEAFORD — Post Office™3575 MERRICK RD For facility accessibility, please call the Post Office. 1-800-ASK-USPS® (800-275-8777) Hours
Services at this Location Service hours may vary.
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Census data for ZIP Code 11783
Demographic and housing estimates in ZIP Code 11783
| Total population | 21,830 |
| Male | 11,206 |
| Female | 10,624 |
| Total population | 21,830 |
| Under 5 years | 964 |
| 5 to 9 years | 1,304 |
| 10 to 14 years | 1,418 |
| 15 to 19 years | 1,550 |
| 20 to 24 years | 1,646 |
| 25 to 34 years | 2,382 |
| 35 to 44 years | 2,372 |
| 45 to 54 years | 3,244 |
| 55 to 59 years | 1,802 |
| 60 to 64 years | 1,267 |
| 65 to 74 years | 2,230 |
| 75 to 84 years | 1,081 |
| 85 years and over | 570 |
| Median age (years) | 42.1 |
| Under 18 years | 4,767 |
| 16 years and over | 17,800 |
| 18 years and over | 17,063 |
| 21 years and over | 16,243 |
| 62 years and over | 4,509 |
| 65 years and over | 3,881 |
| Total population | 21,830 |
| One race | 21,528 |
| White | 20,155 |
| Black or African American | 312 |
| American Indian and Alaska Native | 32 |
| Asian | 910 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 119 |
| Two or more races | 302 |
| Citizen, VOTING AGE 18 and over population | 16,965 |
| Male Citizen, VOTING AGE 18 and over population | 8,507 |
| Female Citizen, VOTING AGE 18 and over population | 8,458 |
Social characteristics in ZIP Code 11783
| Total households | 7,094 |
| Family households (families) | 4,995 |
| Married-couple family | 251 |
| Male householder, no wife present, family | 727 |
| Female householder, no husband present, family | 413 |
| Nonfamily households | 1,121 |
| Average household size | 2,574 |
| Average family size | 3.07 |
Economic characteristics in ZIP Code 11783
| Total households | 7,094 |
| Less than $10,000 | 76 |
| $10,000 to $14,999 | 18 |
| $15,000 to $24,999 | 179 |
| $25,000 to $34,999 | 178 |
| $35,000 to $49,999 | 199 |
| $50,000 to $74,999 | 625 |
| $75,000 to $99,999 | 745 |
| $100,000 to $149,999 | 1,579 |
| $150,000 to $199,999 | 1,153 |
| $200,000 or more | 2,342 |
| Median household income (dollars) | 147,969 |
Housing characteristics in ZIP Code 11783
| Total housing units | 7,263 |
| Occupied housing units | 7,094 |
| Vacant housing units | 169 |
| Total housing units | 7,263 |
| 1-unit, detached | 6,856 |
| 1-unit, attached | 54 |
| 2 units | 102 |
| 3 or 4 units | 7 |
| 5 to 9 units | 42 |
| 10 to 19 units | 72 |
| 20 or more units | 81 |
| Mobile home | 49 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 7,263 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 178 |
| Built 2000 to 2009 | 89 |
| Built 1990 to 1999 | 111 |
| Built 1980 to 1989 | 216 |
| Built 1970 to 1979 | 541 |
| Built 1960 to 1969 | 817 |
| Built 1950 to 1959 | 4,259 |
| Built 1940 to 1949 | 356 |
| Built 1939 or earlier | 696 |
| Total housing units | 7,263 |
| 1 room | 0 |
| 2 rooms | 53 |
| 3 rooms | 71 |
| 4 rooms | 350 |
| 5 rooms | 628 |
| 6 rooms | 1,624 |
| 7 rooms | 1,842 |
| 8 rooms | 1,515 |
| 9 rooms or more | 1,180 |
| Median rooms | 7.0 |
| Total housing units | 7,263 |
| No bedroom | 0 |
| 1 bedroom | 160 |
| 2 bedrooms | 410 |
| 3 bedrooms | 3,526 |
| 4 bedrooms | 2,379 |
| 5 or more bedrooms | 788 |
| Occupied housing units | 7,094 |
| Owner-occupied | 6,756 |
| Renter-occupied | 338 |
| Average household size of owner-occupied unit | 3.08 |
| Average household size of renter-occupied unit | 2.74 |
| Occupied housing units | 7,094 |
| Moved in 2017 or later | 355 |
| Moved in 2015 to 2016 | 955 |
| Moved in 2010 to 2014 | 807 |
| Moved in 2000 to 2009 | 1,876 |
| Moved in 1990 to 1999 | 955 |
| Moved in 1989 and earlier | 2,146 |
| Owner-occupied units | 6,756 |
| Less than $50,000 | 9 |
| $50,000 to $99,999 | 37 |
| $100,000 to $149,999 | 56 |
| $150,000 to $199,999 | 30 |
| $200,000 to $299,999 | 54 |
| $300,000 to $499,999 | 2,856 |
| $500,000 to $999,999 | 3,604 |
| $1,000,000 or more | 110 |
| Median (dollars) | 524,500 |
| Owner-occupied units | 6,756 |
| Housing units with a mortgage | 4,360 |
| Housing units without a mortgage | 2,396 |
| Occupied units paying rent | 327 |
| Less than $500 | 0 |
| $500 to $999 | 0 |
| $1,000 to $1,499 | 27 |
| $1,500 to $1,999 | 29 |
| $2,000 to $2,499 | 134 |
| $2,500 to $2,999 | 70 |
| $3,000 or more | 67 |
| Median (dollars) | 2,401 |
| No rent paid | 11 |
Data is based on 2021 Census