Old Mill Basin, Brooklyn, NY demographics:
population, income, and more

Total population
4,900
-5.2% year-over-year change
Median household income
$97,479/yr
3.2% year-over-year change
Housing units
2,045
-1.3% year-over-year change

Old Mill Basin population

How many people live in Old Mill Basin

Old Mill Basin is home to 4,900 residents, according to the most recent Census data. Gender-wise, 46.8% of Old Mill Basin locals are male, and 53.2% are female.

Total population
4,900
-5.2% year-over-year change
Gender ratio
Male
46.8%
2,292
Female
53.2%
2,607
Value Percent YoY change
Male 2,292 46.8% -4.1%
Female 2,607 53.2% -6.3%
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 Old Mill Basin is 43, with the population distributed as follows: about 17.6% are children under 15, then 11.1% are in the 15 to 24 age group. Adults between 25 and 44 make up 23.7% of the population, while another 25.8% fall into the 45 to 64 bracket. Finally, around 21.8% are 65 or older.

Median age
43
Age breakdown
Under 15
17.6%
15 to 24
11.1%
25 to 44
23.7%
45 to 64
25.8%
Over 65
21.8%
Value Percent YoY change
Under 15 861 17.6% -3.1%
15 to 24 545 11.1% -4.7%
25 to 44 1,161 23.7% -5.5%
45 to 64 1,263 25.8% -10.2%
Over 65 1,070 21.8% -0.4%
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 Old Mill Basin, 62.1% of the population are US-born citizens, while 28.9% have gained naturalized citizenship. At the same time, 9% of residents are non-citizens. As for race, 34.6% of locals are Caucasian, 42.4% are African American and 8.8% have Asian roots. There’s also a share of 8.4% that includes residents with two or more races.

Citizenship
U.S.-born citizens
62.1%
Non-U.S.-born citizens
28.9%
Non-citizens
9%
Value Percent YoY change
U.S.-born citizens 3,042 62.1% -5.2%
Non-U.S.-born citizens 1,415 28.9% -6.5%
Non-citizens 443 9% -0.5%
Racial breakdown
White
34.6%
Black or African American
42.4%
American Indian and Alaska Native
0.4%
Asian
8.8%
Native Hawaiian and other Pacific Islander
0%
Two or more races
8.4%
Other
5.3%
Value Percent
White 1,698 34.6%
Black or African American 2,079 42.4%
American Indian and Alaska Native 20 0.4%
Asian 432 8.8%
Two or more races 414 8.4%
Other 258 5.3%

Households in Old Mill Basin

A peek inside Old Mill Basin households

Old Mill Basin has 1,755 households, with an average of 3 members in each. Of these, 73.2% are families, while the remaining 26.8% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
1,755
-7.4% year-over-year change
Average people per household
3
Non-family households
471
Family households
1,284
Value Percent YoY change
Non-family households 471 26.8% -7.8%
Family households 1,284 73.2% -7.3%
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 Old Mill Basin

The housing landscape of Old Mill Basin

Old Mill Basin's housing consists of 2,045 units, with 16.2% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 28.2% 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 0.3% of the housing landscape.

Housing units
2,045
-1.3% year-over-year change
Housing types
Value Percent
1 unit, detached 331 16.2%
1 unit, attached 576 28.2%
2 units 624 30.5%
3 or 4 units 255 12.5%
5 to 9 units 14 0.7%
10 to 19 units 16 0.8%
20 to 49 units 77 3.8%
50 or more units 145 7.1%
Mobile home 6 0.3%
Boat, RV, van, etc. 1 0%
Homes built since 2020
6
50.0% year-over-year change

The age of buildings in Old Mill Basin

In Old Mill Basin, the median construction year is 1952. About 33.1% of homes were built before the 1940s, with another 13.9% going up by 1949. Most development happened in the second half of the 20th century. Then, 3.2% of homes were added from 2000 to 2009, 0.6% between 2010 and 2019, and 0.3% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 677 33.1% 6.3%
Built between 1940 and 1949 284 13.9% -5.7%
Built between 1950 and 1959 375 18.4% -1.8%
Built between 1960 and 1969 401 19.6% -8.2%
Built between 1970 and 1979 130 6.4% -0.8%
Built between 1980 and 1989 66 3.2% -4.3%
Built between 1990 and 1999 27 1.3% -27.0%
Built between 2000 and 2009 66 3.2% 1.5%
Built between 2010 and 2019 12 0.6% 33.3%
Built in 2020 or later 6 0.3% 50.0%
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.

Old Mill Basin occupancy rates

Out of the 1,755 occupied housing units in Old Mill Basin, 68.3% are owner-occupied, while 31.7% are lived in by tenants. Meanwhile, 14.2% of all homes on the local market sit vacant.

Occupied housing units
1,755
-7.4% year-over-year change
Occupancy breakdown
Renter occupied
556
Owner occupied
1,199
Value Percent YoY
change
Renter occupied 556 31.7% -10.3%
Owner occupied 1,199 68.3% -6.0%
Unoccupied housing units
14.2%
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.

Old Mill Basin housing costs

Housing costs in Old Mill Basin come to a median of $2,071 per month, while tenants specifically pay a median gross rent of $1,848.

Median housing costs per month
$2,071/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 Old Mill Basin
$1,848/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 Old Mill Basin

Old Mill Basin education at a glance

About 31.5% of the population in Old Mill Basin went to high school, while 16.9% pursued college studies. Another 9.3% earned an associate degree and 21.5% hold a bachelor’s. Meanwhile, 15.9% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 193 5% -10.7%
High school diploma 1,217 31.5% -9.2%
College diploma 652 16.9% -5.1%
Associate degree 358 9.3% 2.9%
Bachelor's degree 832 21.5% -4.8%
Graduate degree 615 15.9% -2.1%
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 Old Mill Basin

How much people earn in Old Mill Basin

The average annual household income in Old Mill Basin was $129,201 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +2.2% change from the previous year. At the same time, the median income stood at $97,479, reflecting a +3.2% shift over the same period.

Average household income in Old Mill Basin
$129,201/year
2.2% year-over-year change
Median household income in Old Mill Basin
$97,479/year
3.2% year-over-year change

Old Mill Basin income by age

In Old Mill Basin, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $109,917. Those with someone between 45 and 64 in charge, often well established professionally, earn $123,280 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $31,804, while those led by someone over 65, many of whom may be retired, have about $64,230 in earnings. Overall, 90.4% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $31,804 -2.1%
25 - 44 $109,917 6.5%
45 - 64 $123,280 3.4%
Over 65 $64,230 6.6%
Above poverty level
4,375
Below poverty level
466
Value Percent YoY
change
Above poverty level 4,375 90.4% -5.0%
Below poverty level 466 9.6% -7.2%

Employment in Old Mill Basin

Workforce and job types in Old Mill Basin

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, 8.7% run their own businesses, 58% are employed by private companies, and 23.4% work in the public sector.

Workforce demographics

White collar
1,933
Blue collar
332
Value Percent YoY change
White collar 1,933 85.3% -5.7%
Blue collar 332 14.7% -7.0%
Employer type
Self employees
8.7%
Private companies
58%
Governmental workers
23.4%
Not for profit companies
9.8%
Value Percent YoY change
Self employees 198 8.7% -10.8%
Private companies 1,315 58% -7.5%
Governmental workers 530 23.4% 0.9%
Not for profit companies 223 9.8% -5.9%

Transportation in Old Mill Basin

How people get around in Old Mill Basin

In Old Mill Basin, the average commute time is 3 minutes. Commuting methods vary: 66.3% of residents travel by personal vehicle and 5.8% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
3 min
0.0% year-over-year change
Means of transportation
Value Percent YoY change
Car 992 66.3% -11.3%
Taxicab 11 0.7% 10.0%
Bus or trolleybus 392 26.2% -1.0%
Railroad 4 0.3% -71.4%
Bicycle 10 0.7% -9.1%
Walk 87 5.8% -1.1%
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 Old Mill Basin by zipcode?

Zipcode Population Number of households Median income Average income
11234 83,187 29,799 $97,479 $129,201

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FAQs about Old Mill Basin demographics 

What is the total population of Old Mill Basin?

Old Mill Basin has a total population of 4,900 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 -5.2% compared to a year ago.

What is the gender ratio in Old Mill Basin?

The gender ratio in Old Mill Basin is as follows:
  • 46.8% males (2,292 residents)
  • 53.2% females (2,607 residents)

What is the median age in Old Mill Basin?

The median age in Old Mill Basin is 43.

What is the age distribution of the population in Old Mill Basin?

The age distribution in Old Mill Basin is as follows:
  • Under 15: 17.6% (861 residents)
  • Ages 15-24: 11.1% (545 residents)
  • Ages 25-44: 23.7% (1,161 residents)
  • Ages 45-64: 25.8% (1,263 residents)
  • Over 65: 21.8% (1,070 residents)

What is the racial and ethnic makeup of Old Mill Basin?

The racial and ethnic makeup of Old Mill Basin is as follows:
  • White: 34.6% (1,698 residents)
  • Black or African American: 42.4% (2,079 residents)
  • American Indian and Alaska Native: 0.4% (20 residents)
  • Asian: 8.8% (432 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 8.4% (414 residents)
  • Other: 5.3% (258 residents)

What percentage of the population in Old Mill Basin are U.S.-born citizens?

U.S.-born citizens represent 62.1% of the population in Old Mill Basin.

How many housing units are there in Old Mill Basin?

There are 2,045 housing units in Old Mill Basin, reflecting a -1.3% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Old Mill Basin and what is the average household size?

Old Mill Basin has a total of 1,755 households, with an average of 3 people in each.

What is the median household income in Old Mill Basin?

Old Mill Basin has a median household income of $97,479, representing a +3.2% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Old Mill Basin?

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

Job types:
  • White-collar workers: 85.3% (1,933 residents)
  • Blue-collar workers: 14.7% (332 residents)

Places of employment:
  • Self-employed: 8.7% (198 residents)
  • Private companies: 58% (1,315 residents)
  • Governmental workers: 23.4% (530 residents)
  • Not-for-profit companies: 9.8% (223 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