Nassau, Lewes, DE demographics:
population, income, and more

Total population
589
7.9% year-over-year change
Median household income
$97,197/yr
6.3% year-over-year change
Housing units
379
5.9% year-over-year change

Nassau population

How many people live in Nassau

Nassau is home to 589 residents, according to the most recent Census data. Gender-wise, 47% of Nassau locals are male, and 53% are female.

Total population
589
7.9% year-over-year change
Gender ratio
Male
47%
277
Female
53%
312
Value Percent YoY change
Male 277 47% 7.4%
Female 312 53% 8.7%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Nassau is 62, with the population distributed as follows: about 9.4% are children under 15, then 5.4% are in the 15 to 24 age group. Adults between 25 and 44 make up 14.3% of the population, while another 28.6% fall into the 45 to 64 bracket. Finally, around 42.4% are 65 or older.

Median age
62.1
Age breakdown
Under 15
9.4%
15 to 24
5.4%
25 to 44
14.3%
45 to 64
28.6%
Over 65
42.4%
Value Percent YoY change
Under 15 55 9.4% 7.8%
15 to 24 32 5.4% 28.0%
25 to 44 84 14.3% -4.5%
45 to 64 168 28.6% 5.7%
Over 65 249 42.4% 12.2%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Nassau, 91.5% of the population are US-born citizens, while 6.1% have gained naturalized citizenship. At the same time, 2.4% of residents are non-citizens. As for race, 87.6% of locals are Caucasian, 2.6% are African American and 1.4% have Asian roots. There’s also a share of 6.4% that includes residents with two or more races.

Citizenship
U.S.-born citizens
91.5%
Non-U.S.-born citizens
6.1%
Non-citizens
2.4%
Value Percent YoY change
U.S.-born citizens 538 91.5% 7.0%
Non-U.S.-born citizens 36 6.1% 12.5%
Non-citizens 14 2.4% 40.0%
Racial breakdown
White
87.6%
Black or African American
2.6%
American Indian and Alaska Native
0.2%
Asian
1.4%
Native Hawaiian and other Pacific Islander
0%
Two or more races
6.4%
Other
1.9%
Value Percent
White 516 87.6%
Black or African American 15 2.6%
American Indian and Alaska Native 1 0.2%
Asian 8 1.4%
Two or more races 38 6.4%
Other 11 1.9%

Households in Nassau

A peek inside Nassau households

Nassau has 281 households, with an average of 2 members in each. Of these, 65.1% are families, while the remaining 34.9% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
281
6.0% year-over-year change
Average people per household
2
Non-family households
98
Family households
183
Value Percent YoY change
Non-family households 98 34.9% -2.0%
Family households 183 65.1% 10.9%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Nassau

The housing landscape of Nassau

Nassau's housing consists of 379 units, with 67.1% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 7.4% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 10.5% of the housing landscape.

Housing units
379
5.9% year-over-year change
Housing types
Value Percent
1 unit, detached 255 67.1%
1 unit, attached 28 7.4%
2 units 3 0.8%
3 or 4 units 4 1%
5 to 9 units 17 4.5%
10 to 19 units 18 4.7%
20 to 49 units 13 3.4%
50 or more units 2 0.5%
Mobile home 40 10.5%
Homes built since 2020
41
86.4% year-over-year change

The age of buildings in Nassau

In Nassau, the median construction year is 2003. About 3.4% of homes were built before the 1940s, with another 0.3% going up by 1949. Most development happened in the second half of the 20th century. Then, 25.5% of homes were added from 2000 to 2009, 22.3% between 2010 and 2019, and 10.9% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 13 3.4% 8.3%
Built between 1940 and 1949 1 0.3% 0.0%
Built between 1950 and 1959 7 1.9% -22.2%
Built between 1960 and 1969 10 2.6% 25.0%
Built between 1970 and 1979 35 9.3% 2.9%
Built between 1980 and 1989 46 12.2% 0.0%
Built between 1990 and 1999 44 11.7% 4.8%
Built between 2000 and 2009 96 25.5% 1.1%
Built between 2010 and 2019 84 22.3% -4.5%
Built in 2020 or later 41 10.9% 86.4%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Nassau occupancy rates

Out of the 281 occupied housing units in Nassau, 84% are owner-occupied, while 16% are lived in by tenants. Meanwhile, 25.9% of all homes on the local market sit vacant.

Occupied housing units
281
6.0% year-over-year change
Occupancy breakdown
Renter occupied
45
Owner occupied
236
Value Percent YoY
change
Renter occupied 45 16% 0.0%
Owner occupied 236 84% 7.3%
Unoccupied housing units
25.9%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Nassau housing costs

Housing costs in Nassau come to a median of $1,155 per month, while tenants specifically pay a median gross rent of $1,555.

Median housing costs per month
$1,155/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Nassau
$1,555/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Nassau

Nassau education at a glance

About 25.1% of the population in Nassau went to high school, while 16.5% pursued college studies. Another 8.4% earned an associate degree and 25.5% hold a bachelor’s. Meanwhile, 23.2% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 6 1.2% -14.3%
High school diploma 131 25.1% 8.3%
College diploma 86 16.5% 11.7%
Associate degree 44 8.4% -2.2%
Bachelor's degree 133 25.5% 7.3%
Graduate degree 121 23.2% 10.0%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Nassau

How much people earn in Nassau

The average annual household income in Nassau was $135,108 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +5.9% change from the previous year. At the same time, the median income stood at $97,197, reflecting a +6.3% shift over the same period.

Average household income in Nassau
$135,108/year
5.9% year-over-year change
Median household income in Nassau
$97,197/year
6.3% year-over-year change

Nassau income by age

In Nassau, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $118,125. Those with someone between 45 and 64 in charge, often well established professionally, earn $104,688 overall. Overall, 94.2% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $118,125 19.2%
45 - 64 $104,688 4.0%
Over 65 $86,155 4.8%
Above poverty level
549
Below poverty level
34
Value Percent YoY
change
Above poverty level 549 94.2% 8.7%
Below poverty level 34 5.8% 0.0%

Employment in Nassau

Workforce and job types in Nassau

85.3% of the working population are employed in professional or administrative positions, while 14.7% are in hands-on or service-based jobs. Also, 17% run their own businesses, 58.9% are employed by private companies, and 15.2% work in the public sector.

Workforce demographics

White collar
192
Blue collar
33
Value Percent YoY change
White collar 192 85.3% 0.5%
Blue collar 33 14.7% 6.5%
Employer type
Self employees
17%
Private companies
58.9%
Governmental workers
15.2%
Not for profit companies
8.9%
Value Percent YoY change
Self employees 38 17% 8.6%
Private companies 132 58.9% 0.0%
Governmental workers 34 15.2% 0.0%
Not for profit companies 20 8.9% 0.0%

Transportation in Nassau

How people get around in Nassau

Commuting methods vary: 97% of residents travel by personal vehicle and 1.2% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 163 97% -3.5%
Motorcycle 1 0.6% N/A
Bicycle 2 1.2% 100.0%
Walk 2 1.2% 0.0%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Nassau by zipcode?

Zipcode Population Number of households Median income Average income
19958 31,938 15,233 $97,197 $135,108

Explore more communities

FAQs about Nassau demographics 

What is the total population of Nassau?

Nassau has a total population of 589 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +7.9% compared to a year ago.

What is the gender ratio in Nassau?

The gender ratio in Nassau is as follows:
  • 47% males (277 residents)
  • 53% females (312 residents)

What is the median age in Nassau?

The median age in Nassau is 62.1.

What is the age distribution of the population in Nassau?

The age distribution in Nassau is as follows:
  • Under 15: 9.4% (55 residents)
  • Ages 15-24: 5.4% (32 residents)
  • Ages 25-44: 14.3% (84 residents)
  • Ages 45-64: 28.6% (168 residents)
  • Over 65: 42.4% (249 residents)

What is the racial and ethnic makeup of Nassau?

The racial and ethnic makeup of Nassau is as follows:
  • White: 87.6% (516 residents)
  • Black or African American: 2.6% (15 residents)
  • American Indian and Alaska Native: 0.2% (1 residents)
  • Asian: 1.4% (8 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 6.4% (38 residents)
  • Other: 1.9% (11 residents)

What percentage of the population in Nassau are U.S.-born citizens?

U.S.-born citizens represent 91.5% of the population in Nassau.

How many housing units are there in Nassau?

There are 379 housing units in Nassau, reflecting a +5.9% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Nassau and what is the average household size?

Nassau has a total of 281 households, with an average of 2 people in each.

What is the median household income in Nassau?

Nassau has a median household income of $97,197, representing a +6.3% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Nassau?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 85.3% (192 residents)
  • Blue-collar workers: 14.7% (33 residents)

Places of employment:
  • Self-employed: 17% (38 residents)
  • Private companies: 58.9% (132 residents)
  • Governmental workers: 15.2% (34 residents)
  • Not-for-profit companies: 8.9% (20 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025