Nassau County, NY Demographics
What is the population of Nassau County?
There are 1,399,944 residents in Nassau County, with a median age of 42. Of this, 49.17% are males and 50.83% are females. US-born citizens make up 75.34% of the resident pool in Nassau County, while non-US-born citizens account for 17.79%. Additionally, 6.87% of the population is represented by non-citizens.
A total of 1,291,564 people in Nassau County currently live in the same house as they did last year.
| Y-o-Y Change | ||
| Total Population | 1,399,944 | -0.1% |
| Male Population | 688,363 | -0.2% |
| Female Population | 711,581 | -0.0% |
Male Population 49.17%
Female Population 50.83%
| Y-o-Y Change | ||
| Median Age | 42 | -0.7% |
| Citizen U.S. Born | 1,054,732 | -0.3% |
| Citizen not U.S. Born | 249,015 | 1.2% |
| Not Citizen | 96,197 | -1.4% |
Citizen U.S. Born 75.34%
Citizen not U.S. Born 17.79%
Not Citizen 6.87%
| Y-o-Y Change | ||
| Moved from Abroad | 5,299 | 13.1% |
| Moved from Same County | 42,845 | -3.0% |
| Moved from Same State | 38,204 | -1.9% |
| Moved from Different State | 7,610 | 1.6% |
| Same House as Last Year | 1,291,564 | 0.0% |
Moved from Abroad 0.38%
Moved from Same County 3.09%
Moved from Same State 2.76%
Moved from Different State 0.55%
Same House as Last Year 93.22%
What are the employment statistics in Nassau County?
White-collar workers make up 86.12% of the working population in Nassau County, while blue-collar employees account for 13.88%. There are also 150,198 entrepreneurs in Nassau County (10.66% of the workforce); 873,030 workers employed in private companies (61.97%); and 251,508 people working in governmental institutions (17.85%).
| Y-o-Y Change | ||
| White Collar | 1,213,286 | 98.2% |
| Blue Collar | 195,568 | 98.4% |
White Collar 86.12%
Blue Collar 13.88%
| Y-o-Y Change | ||
| Self Employees | 150,198 | 97.0% |
| Private Companies | 873,030 | 96.5% |
| Governmental Workers | 251,508 | 102.7% |
| Not for Profit Companies | 134,118 | 102.7% |
Self Employees 10.66%
Private Companies 61.97%
Governmental Workers 17.85%
Not for Profit Companies 9.52%
How many households are there in Nassau County?
There are a total of 459,918 households in Nassau County, each made up of around 2 members. Family establishments represent 77.13% of these Nassau County households, while non-family units account for the remaining 22.87%. Additionally, 34.68% of households have children and 65.32% of households are without children.
| Y-o-Y Change | ||
| Total households | 459,918 | 0.3% |
| Average People per Household | 2 | -17.1% |
| Family Households | 354,725 | 0.4% |
| Non-Family Households | 105,193 | -0.0% |
Family Households 77.13%
Non-Family Households 22.87%
| Y-o-Y Change | ||
| Households with Children | 159,510 | -1.4% |
| Households without Children | 300,408 | 1.2% |
Households with Children 34.68%
Households without Children 65.32%
What are the median and average incomes in Nassau County?
The average annual household income in Nassau County is $206,090, while the median household income sits at $149,250 per year. Residents aged 25 to 44 earn $175,130, while those between 45 and 64 years old have a median wage of $174,455. In contrast, people younger than 25 and those older than 65 earn less, at $90,004 and $101,308, respectively.
| Y-o-Y Change | ||
| Average Household Income | $206,090 | 3.2% |
| Median Household Income | $149,250 | 2.5% |
| People below Poverty Level | 72,421 | -1.5% |
| People above Poverty Level | 1,294,101 | -0.0% |
How many homeowners and renters are there in Nassau County?
There are 482,044 housing units in Nassau County, and the median year in which these properties were built is 1955. Of the 459,918 occupied housing units in Nassau County, 81.83% are owner-occupied, while 18.17% have renters living in them.
Meanwhile, properties bought with mortgages account for 63.13% of the units, and the median value of a home with a mortgage is $719,900. In general, housing costs reach $2,808 per month in Nassau County.
| Y-o-Y Change | ||
| Housing Units | 482,044 | 0.2% |
| Median Year Built | 1955 | 0.0% |
| Built in 1939 or Earlier | 93,638 | -1.2% |
| Built between 1940 and 1949 | 62,406 | -0.2% |
| Built between 1950 and 1959 | 166,802 | -0.1% |
| Built between 1960 and 1969 | 63,838 | -0.2% |
| Built between 1970 and 1979 | 28,132 | 2.1% |
| Built between 1980 and 1989 | 22,585 | 2.1% |
| Built between 1990 and 1999 | 12,697 | -4.5% |
| Built between 2000 and 2009 | 15,072 | 1.6% |
| Built between 2010 and 2019 | 14,767 | 7.0% |
| Built in 2020 or Later | 2,107 | 82.0% |
| Y-o-Y Change | ||
| Occupied Housing Units | 459,918 | 0.3% |
| Owner Occupied | 376,329 | 0.4% |
| Renter Occupied | 83,589 | -0.4% |
Owner Occupied 81.83%
Renter Occupied 18.17%
| Y-o-Y Change | ||
| With Mortgage | 237,559 | 0.4% |
| Without Mortgage | 138,770 | 0.5% |
| Median Value with Mortgage | $719,900 | 1.8% |
| Median Value without Mortgage | $669,400 | 5.9% |
| Median Housing Costs per Month | $2,808 | 3.7% |
With Mortgage 63.13%
Without Mortgage 36.87%
What is the level of education in Nassau County?
Approximately 25.49% of the population in Nassau County holds a high school degree (that's 279,757 residents), while 16.33% have attained a college certificate (179,233 locals) and 26.04% have a bachelor's degree (285,798 people).
| Y-o-Y Change | ||
| No High School | 44,273 | -2.9% |
| Some High School | 279,757 | -2.4% |
| Some College | 179,233 | -17.1% |
| Associate Degree | 87,791 | 5.4% |
| Bachelor's Degree | 285,798 | 0.5% |
| Graduate Degree | 220,724 | 1.1% |
No High School 4.03%
Some High School 25.49%
Some College 16.33%
Associate Degree 8%
Bachelor's Degree 26.04%
Graduate Degree 20.11%
What is the marital status of Nassau County residents?
A total of 374,384 people in Nassau County have never been married (which represents 32.06% of the total population), while 634,626 of them are wedded (54.34%). Separated and divorced residents are in smaller numbers, at 14,775 (1.27%) and 76,973 (6.59%), respectively.
| Y-o-Y Change | ||
| Never Married | 374,384 | -0.4% |
| Married | 634,626 | 0.1% |
| Separated | 14,775 | 1.0% |
| Widowed | 67,147 | -1.1% |
| Divorced | 76,973 | -2.3% |
Never Married 32.06%
Married 54.34%
Separated 1.27%
Widowed 5.75%
Divorced 6.59%
What are the most common means of transportation in Nassau County?
The top three means of transportation people in Nassau County use to get to work are: car, railroad and bus or trolley bus. A total of 478,332 residents commute by car, 52,248 prefer going to work by railroad and 15,436 by bus or trolley bus
| Y-o-Y Change | ||
| Car | 478,332 | -2.8% |
| Bus or TrolleyBus | 15,436 | -0.2% |
| Railroad | 52,248 | -12.4% |
| Ferryboat | 220 | 89.7% |
| Bicycle | 1,308 | -4.9% |
| Motorcycle | 254 | 7.6% |
| TaxiCab | 2,573 | 0.3% |
| Walk | 14,433 | 0.7% |
What is the median and average household income in Nassau County by zipcode?
| ZipCode | Population | Number of Households | Median Income | Average Income |
|---|---|---|---|---|
| 11001 | 25,714 | 8,508 | $144,755 | $181,986 |
| 11003 | 44,716 | 12,068 | $123,000 | $146,612 |
| 11010 | 25,618 | 8,380 | $140,686 | $159,234 |
| 11020 | 5,986 | 1,770 | $169,265 | $238,780 |
| 11021 | 19,474 | 8,116 | $122,390 | $191,917 |
| 11023 | 9,824 | 3,117 | $151,544 | $216,258 |
| 11024 | 8,821 | 2,166 | $170,476 | $223,531 |
| 11030 | 17,703 | 6,035 | $247,393 | $382,070 |
| 11040 | 42,344 | 13,884 | $153,511 | $189,189 |
| 11042 | 232 | 0 | $0 | $0 |
Methodology & Disclaimers
Demographic data shown in this section was gathered from the latest U.S. Census Bureau release, the 2023 American Community Survey. The information is updated yearly, as soon as new data is made available by the US Census Bureau.
No representation, guarantee or warranty is made as to the accuracy or completeness of information modified or aggregated for specific neighborhoods and/or zip codes.