Population by Age in Smithtown
*Base on 2010 Data
| Total population | 26,470 | 100.00% |
| Under 5 years | 1,314 | 4.96% |
| 5 to 9 years | 1,936 | 7.31% |
| 10 to 14 years | 2,339 | 8.84% |
| 15 to 19 years | 1,912 | 7.22% |
| 20 to 24 years | 1,165 | 4.40% |
| 25 to 29 years | 862 | 3.26% |
| 30 to 34 years | 975 | 3.68% |
| 35 to 39 years | 1,462 | 5.52% |
| 40 to 44 years | 2,306 | 8.71% |
| 45 to 49 years | 2,656 | 10.03% |
| 50 to 54 years | 2,230 | 8.42% |
| 55 to 59 years | 1,593 | 6.02% |
| 60 to 64 years | 1,371 | 5.18% |
| 65 to 69 years | 1,201 | 4.54% |
| 70 to 74 years | 1,030 | 3.89% |
| 75 to 79 years | 847 | 3.20% |
| 80 to 84 years | 604 | 2.28% |
| 85 years and over | 667 | 2.52% |
Male Population in Smithtown
*Base on 2010 Data
| Male population | 12,858 | 48.58% |
| Under 5 years | 679 | 2.57% |
| 5 to 9 years | 994 | 3.76% |
| 10 to 14 years | 1,167 | 4.41% |
| 15 to 19 years | 976 | 3.69% |
| 20 to 24 years | 623 | 2.35% |
| 25 to 29 years | 430 | 1.62% |
| 30 to 34 years | 466 | 1.76% |
| 35 to 39 years | 684 | 2.58% |
| 40 to 44 years | 1,112 | 4.20% |
| 45 to 49 years | 1,322 | 4.99% |
| 50 to 54 years | 1,136 | 4.29% |
| 55 to 59 years | 796 | 3.01% |
| 60 to 64 years | 644 | 2.43% |
| 65 to 69 years | 542 | 2.05% |
| 70 to 74 years | 471 | 1.78% |
| 75 to 79 years | 383 | 1.45% |
| 80 to 84 years | 257 | 0.97% |
| 85 years and over | 176 | 0.66% |
Female Population in Smithtown
*Base on 2010 Data
| Female population | 13,612 | 51.42% |
| Under 5 years | 635 | 2.40% |
| 5 to 9 years | 942 | 3.56% |
| 10 to 14 years | 1,172 | 4.43% |
| 15 to 19 years | 936 | 3.54% |
| 20 to 24 years | 542 | 2.05% |
| 25 to 29 years | 432 | 1.63% |
| 30 to 34 years | 509 | 1.92% |
| 35 to 39 years | 778 | 2.94% |
| 40 to 44 years | 1,194 | 4.51% |
| 45 to 49 years | 1,334 | 5.04% |
| 50 to 54 years | 1,094 | 4.13% |
| 55 to 59 years | 797 | 3.01% |
| 60 to 64 years | 727 | 2.75% |
| 65 to 69 years | 659 | 2.49% |
| 70 to 74 years | 559 | 2.11% |
| 75 to 79 years | 464 | 1.75% |
| 80 to 84 years | 347 | 1.31% |
| 85 years and over | 491 | 1.85% |
Median Age in Smithtown
*Base on 2010 Data
| Both | 42.90% | |
| Male | 42.00% | |
| Female | 43.70% |
Race in Smithtown
*Base on 2010 Data
| Total | 26,470 | 100.00% |
| Population of one race | 26,178 | 98.90% |
| White | 24,870 | 93.96% |
| Black or African American | 291 | 1.10% |
| American Indian and Alaska Native | 18 | 0.07% |
| Asian | 763 | 2.88% |
| Asian Indian | 173 | 0.65% |
| Chinese | 223 | 0.84% |
| Filipino | 111 | 0.42% |
| Japanese | 14 | 0.05% |
| Korean | 126 | 0.48% |
| Vietnamese | 21 | 0.08% |
| Other Asian | 95 | 0.36% |
| Native Hawaiian and Other Pacific Islander | 2 | 0.01% |
| Native Hawaiian | 2 | 0.01% |
| Guamanian or Chamorro | 0 | 0.00% |
| Samoan | 0 | 0.00% |
| Other Pacific Islander | 0 | 0.00% |
| Some Other Race | 234 | 0.88% |
| Population of Two or More Races | 292 | 1.10% |
| White; American Indian and Alaska Native | 20 | 0.08% |
| White; Asian | 102 | 0.39% |
| White; Black or African American | 60 | 0.23% |
| White; Some Other Race | 49 | 0.19% |
The Population 16 Years in Smithtown
*Base on 2010 Data
| Total | 20,368 | 100.00% |
| Male | 9,777 | 48.00% |
| Female | 10,591 | 52.00% |
The Population 18 Years in Smithtown
*Base on 2010 Data
| Total | 19,510 | 100.00% |
| Male | 9,339 | 47.87% |
| Female | 10,171 | 52.13% |
The Population 21 Years in Smithtown
*Base on 2010 Data
| Total | 18,737 | 100.00% |
| Male | 8,921 | 47.61% |
| Female | 9,816 | 52.39% |
The Population 62 Years in Smithtown
*Base on 2010 Data
| Total | 5,161 | 100.00% |
| Male | 2,211 | 42.84% |
| Female | 2,950 | 57.16% |
The Population 65 Years in Smithtown
*Base on 2010 Data
| Total | 4,349 | 100.00% |
| Male | 1,829 | 42.06% |
| Female | 2,520 | 57.94% |
Race (total races tallied) in Smithtown
*Base on 2010 Data
| White alone or in combination with one or more other races | 25,129 | 93.83% |
| Black or African American alone or in combination with one or more other races | 384 | 1.43% |
| American Indian and Alaska Native alone or in combination with one or more other races | 64 | 0.24% |
| Asian alone or in combination with one or more other races | 887 | 3.31% |
| Native Hawaiian and Other Pacific Islander alone or in combination with one or more other races | 17 | 0.06% |
| Some Other Race alone or in combination with one or more other races | 300 | 1.12% |
Hispanic or Latino by Specific Origin in Smithtown
*Base on 2010 Data
| Total | 26,470 | 100.00% |
| Hispanic or Latino (of any race) | 1,361 | 5.14% |
| Mexican | 139 | 0.53% |
| Puerto Rican | 459 | 1.73% |
| Cuban | 63 | 0.24% |
| Other Hispanic or Latino | 700 | 2.64% |
| Not Hispanic or Latino | 25,109 | 94.86% |
Hispanic or Latino and Race in Smithtown
*Base on 2010 Data
| Total | 26,470 | 100.00% |
| Hispanic or Latino | 1,361 | 5.14% |
| White alone | 1,045 | 3.95% |
| Black or African American alone | 19 | 0.07% |
| American Indian and Alaska Native alone | 9 | 0.03% |
| Asian alone | 9 | 0.03% |
| Native Hawaiian and Other Pacific Islander alone | 2 | 0.01% |
| Some Other Race alone | 206 | 0.78% |
| Two or More Races | 71 | 0.27% |
| Not Hispanic or Latino | 25,109 | 94.86% |
| White alone | 23,825 | 90.01% |
| Black or African American alone | 272 | 1.03% |
| American Indian and Alaska Native alone | 9 | 0.03% |
| Asian alone | 754 | 2.85% |
| Native Hawaiian and Other Pacific Islander alone | 0 | 0.00% |
| Some Other Race alone | 28 | 0.11% |
| Two or More Races | 221 | 0.83% |
Relationship in Smithtown
*Base on 2010 Data
| Total | 26,470 | 100.00% |
| In households | 25,687 | 97.04% |
| Householder | 8,773 | 33.14% |
| Spouse | 6,016 | 22.73% |
| Child | 9,145 | 34.55% |
| Own child under 18 years | 6,607 | 24.96% |
| Other relatives | 1,086 | 4.10% |
| Under 18 years | 288 | 1.09% |
| 65 years and over | 314 | 1.19% |
| Nonrelatives | 667 | 2.52% |
| Under 18 years | 43 | 0.16% |
| 65 years and over | 51 | 0.19% |
| Unmarried partner | 284 | 1.07% |
| In group quarters | 783 | 2.96% |
| Institutionalized population | 706 | 2.67% |
| Male | 267 | 1.01% |
| Female | 439 | 1.66% |
| Noninstitutionalized population | 77 | 0.29% |
| Male | 63 | 0.24% |
| Female | 14 | 0.05% |
Households by Type in Smithtown
*Base on 2010 Data
| Subject | Number | Percent |
|---|---|---|
| Total | 8,773 | 100.00% |
| Family households (families) | 6,959 | 79.32% |
| With own children under 18 years | 3,429 | 39.09% |
| Husband-wife family | 6,016 | 68.57% |
| With own children under 18 years | 3,045 | 34.71% |
| Male householder, no wife present | 267 | 3.04% |
| With own children under 18 years | 90 | 1.03% |
| Female householder, no husband present | 676 | 7.71% |
| With own children under 18 years | 294 | 3.35% |
| Nonfamily households | 1,814 | 20.68% |
| Householder living alone | 1,552 | 17.69% |
| Male | 557 | 6.35% |
| 65 years and over | 199 | 2.27% |
| Female | 995 | 11.34% |
| 65 years and over | 684 | 7.80% |
Households with individuals under 18 years in Smithtown
*Base on 2010 Data
| Total | 3,611 | 41.16% |
Households with individuals under 65 years in Smithtown
*Base on 2010 Data
| Total | 2,729 | 31.11% |
Average Household Size in Smithtown
*Base on 2010 Data
| Average household size | 3 | % |
Average Family Size in Smithtown
*Base on 2010 Data
| Average family size | 3 | % |
Housing Occupancy(Total housing units) in Smithtown
*Base on 2010 Data
| Total | 9,031 | 100.00% |
| Occupied housing units | 8,773 | 97.14% |
| Vacant housing units | 258 | 2.86% |
| For rent | 57 | 0.63% |
| Rented, not occupied | 6 | 0.07% |
| For sale only | 54 | 0.60% |
| Sold, not occupied | 13 | 0.14% |
| For seasonal, recreational, or occasional use | 28 | 0.31% |
| All other vacants | 100 | 1.11% |
Homeowner Vacancy Rate in Smithtown
*Base on 2010 Data
| Homeowner vacancy rate (percent) | .70% |
Rental Vacancy Rate in Smithtown
*Base on 2010 Data
| Rental vacancy rate (percent) | 4.60% |
Housing Tenure(Occupied housing units) in Smithtown
*Base on 2010 Data
| Total | 8,773 | 100.00% |
| Owner-occupied housing units | 7,604 | 86.68% |
| Renter-occupied housing units | 1,169 | 13.32% |
Population in Occupied Housing Units by Tenure(Population in occupied housing units) in Smithtown
*Base on 2010 Data
| Owner-occupied housing units | 23,509 | 91.52% |
| Renter-occupied housing units | 2,178 | 8.48% |
Average Household Size of Occupied Housing Units by Tenure in Smithtown
*Base on 2010 Data
| Owner occupied | 3 | % |
| Renter occupied | 2 | % |