Middle Island CDP, New York demographics
Population: 11,129
Median age: 44.4
Median household income: 81,599
Middle Island is a CDP in Suffolk County, New York, United States.
Demographics, population, home values, social and economic characteristics of Middle Island CDP, NY.
Population
| 2021 | 11,129 |
| 2020 | 11,030 |
| 2019 | 10,228 |
| 2018 | 10,216 |
| 2017 | 10,405 |
| 2016 | 10,441 |
| 2015 | 9,949 |
| 2014 | 10,030 |
| 2013 | 9,849 |
| 2012 | 10,026 |
| 2011 | 10,059 |
| 2010 | 10,230 |
| 2009 | 10,509 |
Census data for Middle Island CDP, New York
Demographic and housing estimates in Middle Island CDP, New York
| Total population | 11,129 |
| Male | 4,984 |
| Female | 6,145 |
| Total population | 11,129 |
| Under 5 years | 672 |
| 5 to 9 years | 548 |
| 10 to 14 years | 570 |
| 15 to 19 years | 582 |
| 20 to 24 years | 530 |
| 25 to 34 years | 1,252 |
| 35 to 44 years | 1,489 |
| 45 to 54 years | 1,425 |
| 55 to 59 years | 824 |
| 60 to 64 years | 872 |
| 65 to 74 years | 1,400 |
| 75 to 84 years | 588 |
| 85 years and over | 377 |
| Median age (years) | 44.4 |
| Under 18 years | 2,134 |
| 16 years and over | 9,172 |
| 18 years and over | 8,995 |
| 21 years and over | 8,708 |
| 62 years and over | 2,923 |
| 65 years and over | 2,365 |
| Total population | 11,129 |
| One race | 10,860 |
| White | 9,564 |
| Black or African American | 862 |
| American Indian and Alaska Native | 8 |
| Asian | 219 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 207 |
| Two or more races | 269 |
| Citizen, VOTING AGE 18 and over population | 8,327 |
| Male Citizen, VOTING AGE 18 and over population | 3,811 |
| Female Citizen, VOTING AGE 18 and over population | 4,516 |
Social characteristics in Middle Island CDP, New York
| Total households | 4,513 |
| Family households (families) | 1,736 |
| Married-couple family | 486 |
| Male householder, no wife present, family | 837 |
| Female householder, no husband present, family | 566 |
| Nonfamily households | 1,454 |
| Average household size | 1,618 |
| Average family size | 2.41 |
Economic characteristics in Middle Island CDP, New York
| Total households | 4,513 |
| Less than $10,000 | 227 |
| $10,000 to $14,999 | 214 |
| $15,000 to $24,999 | 239 |
| $25,000 to $34,999 | 231 |
| $35,000 to $49,999 | 547 |
| $50,000 to $74,999 | 609 |
| $75,000 to $99,999 | 540 |
| $100,000 to $149,999 | 842 |
| $150,000 to $199,999 | 649 |
| $200,000 or more | 415 |
| Median household income (dollars) | 81,599 |
Housing characteristics in Middle Island CDP, New York
| Total housing units | 4,730 |
| Occupied housing units | 4,513 |
| Vacant housing units | 217 |
| Total housing units | 4,730 |
| 1-unit, detached | 2,307 |
| 1-unit, attached | 743 |
| 2 units | 170 |
| 3 or 4 units | 276 |
| 5 to 9 units | 244 |
| 10 to 19 units | 688 |
| 20 or more units | 302 |
| Mobile home | 0 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 4,730 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 128 |
| Built 2000 to 2009 | 565 |
| Built 1990 to 1999 | 688 |
| Built 1980 to 1989 | 745 |
| Built 1970 to 1979 | 1,625 |
| Built 1960 to 1969 | 253 |
| Built 1950 to 1959 | 547 |
| Built 1940 to 1949 | 141 |
| Built 1939 or earlier | 38 |
| Total housing units | 4,730 |
| 1 room | 50 |
| 2 rooms | 68 |
| 3 rooms | 491 |
| 4 rooms | 1,219 |
| 5 rooms | 741 |
| 6 rooms | 860 |
| 7 rooms | 550 |
| 8 rooms | 448 |
| 9 rooms or more | 303 |
| Median rooms | 5.2 |
| Total housing units | 4,730 |
| No bedroom | 73 |
| 1 bedroom | 763 |
| 2 bedrooms | 1,743 |
| 3 bedrooms | 1,308 |
| 4 bedrooms | 770 |
| 5 or more bedrooms | 73 |
| Occupied housing units | 4,513 |
| Owner-occupied | 3,273 |
| Renter-occupied | 1,240 |
| Average household size of owner-occupied unit | 2.59 |
| Average household size of renter-occupied unit | 1.92 |
| Occupied housing units | 4,513 |
| Moved in 2017 or later | 294 |
| Moved in 2015 to 2016 | 1,354 |
| Moved in 2010 to 2014 | 662 |
| Moved in 2000 to 2009 | 1,099 |
| Moved in 1990 to 1999 | 634 |
| Moved in 1989 and earlier | 470 |
| Owner-occupied units | 3,273 |
| Less than $50,000 | 88 |
| $50,000 to $99,999 | 134 |
| $100,000 to $149,999 | 400 |
| $150,000 to $199,999 | 415 |
| $200,000 to $299,999 | 655 |
| $300,000 to $499,999 | 1,331 |
| $500,000 to $999,999 | 206 |
| $1,000,000 or more | 44 |
| Median (dollars) | 290,000 |
| Owner-occupied units | 3,273 |
| Housing units with a mortgage | 2,156 |
| Housing units without a mortgage | 1,117 |
| Occupied units paying rent | 1,218 |
| Less than $500 | 109 |
| $500 to $999 | 148 |
| $1,000 to $1,499 | 226 |
| $1,500 to $1,999 | 438 |
| $2,000 to $2,499 | 224 |
| $2,500 to $2,999 | 62 |
| $3,000 or more | 11 |
| Median (dollars) | 1,644 |
| No rent paid | 22 |
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