11231 ZIP Code — Brooklyn, NY

Kings County, New York

ZIP code 11231 is located in Brooklyn, New York, within Kings County. It covers approximately 1.43 square miles and serves a population of 38,829 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 718.

About ZIP code 11231

The housing stock consists of a significant share of large multi-unit buildings. Most homes were built in the pre-1940, giving the area an established character. Median home value is $1,836,600. Renters make up the majority at 69%, typical of denser urban areas.

The gap between median ($130,396) and mean household income suggests income inequality — a small number of higher earners pull the average up.

The dominant occupation class is management, business, and professional, with professional and management as the leading industry. An above-average commute of 36 minutes suggests many residents work outside the immediate area. Remote work is prevalent — 26% of workers work from home.

Educational attainment is high — 69% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 11231 reflects a community defined by a highly educated population and a high rate of remote workers.

38,829

population

1.43

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

11231 ZIP code map

Cities in ZIP code 11231

Below are the cities the US Postal Service accepts for ZIP code 11231. Using any city not on this list may result in mail delivery delays.

City	Status
Brooklyn	Preferred

Nearby ZIP codes

11245 Brooklyn (1.1 mi) 11217 Brooklyn (1.3 mi) 11249 Brooklyn (1.3 mi) 11232 Brooklyn (1.3 mi) 11241 Brooklyn (1.3 mi) 11201 Brooklyn (1.4 mi) 11215 Brooklyn (1.5 mi) 11243 Brooklyn (1.5 mi) 11256 Brooklyn (1.5 mi) 11242 Brooklyn (1.6 mi) 10004 New York (1.8 mi) 10041 New York (1.9 mi)

Demographics updated 05/2026

Population
Total population	38,829
Population density	27,153 / sq mi
State FIPS	36
County FIPS	047

Geography
Land area	1.43 sq mi
Water area	0.03 sq mi
Latitude	40.6765
Longitude	-74.0040
Timezone	Eastern (ET)
Area code	718

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	30.4%	41.6%	37.0%
$50k – $100k	17.7%	25.3%	27.0%
$100k – $200k	25.4%	22.4%	24.4%
Over $200k	26.4%	10.6%	11.5%

Demographics & statistics

38,829

Population

27,153

People per sq mi

37.7

Median age

$130,396

Median household income

$87,008

Per capita income

$1,836,600

Median home value

$2,309

Median monthly rent

30.7%

Home ownership

13.9%

Poverty rate

7.5%

Unemployment

6,516

Housing units

69.1%

Bachelor's or higher

Age distribution

Male Female

1,490

Under 5

1,677

1,278

5–9

1,437

937

10–14

1,053

728

15–19

818

717

20–24

807

2,852

25–34

3,209

3,772

35–44

4,243

2,583

45–54

2,906

1,188

55–59

1,336

883

60–64

993

1,129

65–74

1,270

591

75–84

665

126

85+

141

← Male

Female →

Age summary

Group	Count	%
Under 18	8,980	23.1%
18 and over	29,849	76.9%
65 and over	3,922	10.1%
Median age	37.7 years

Race & ethnicity

White 58.6%

Black or African American 11.6%

Hispanic or Latino 9.2%

Two or more races 8.5%

Other race 5.8%

Asian 5%

Native Hawaiian / Pacific Islander 1.1%

American Indian / Alaska Native 0.3%

Group	Count	%
White	25,045	58.6%
Black or African American	4,958	11.6%
Hispanic or Latino	3,937	9.2%
Two or more races	3,618	8.5%
Other race	2,470	5.8%
Asian	2,154	5%
Native Hawaiian / Pacific Islander	458	1.1%
American Indian / Alaska Native	126	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	30.4%	41.6%	37.0%
$50k – $100k	17.7%	25.3%	27.0%
$100k – $200k	25.4%	22.4%	24.4%
Over $200k	26.4%	10.6%	11.5%

Under $10k 6.3%

$10k–$15k 6.3%

$15k–$25k 4.7%

$25k–$35k 3.1%

$35k–$50k 6.5%

$50k–$75k 8.0%

$75k–$100k 7.3%

$100k–$150k 12.7%

$150k–$200k 11.5%

$200k+ 33.6%

Range	% of households
Under $10k	6.3%
$10k–$15k	6.3%
$15k–$25k	4.7%
$25k–$35k	3.1%
$35k–$50k	6.5%
$50k–$75k	8.0%
$75k–$100k	7.3%
$100k–$150k	12.7%
$150k–$200k	11.5%
$200k+	33.6%
Median income	$130,396

Housing

Home values

Under $50k 0.7%

$50k–$100k 0.3%

$100k–$150k 0.8%

$150k–$200k 0.4%

$200k–$300k 1.0%

$300k–$500k 4.1%

$500k–$1M 16.4%

$1M+ 76.4%

Housing overview

Metric	Value
Median home value	$1,836,600
Median rent / month	$2,309
Owner occupied	30.7%
Renter occupied	69.3%
Vacant	8.1%
Single-family detached	2.2%
Large apartment buildings	30.8%
Mobile homes	0.0%
Median rooms	4.0
Avg household size (owned)	2.75

Year built

Era	%
2020 or later	0.0%
2010–2019	6.9%
2000–2009	4.5%
1990–1999	4.0%
1980–1989	3.0%
1970–1979	2.8%
1960–1969	2.8%
1950–1959	5.7%
1940–1949	9.0%
1939 or earlier	61.3%

Bedrooms

Size	% of units
No bedroom (studio)	7.0%
1 bedroom	31.1%
2 bedrooms	36.0%
3 bedrooms	18.3%
4 bedrooms	5.7%
5+ bedrooms	1.8%

Vehicles per household

Vehicles	% of households
No vehicle	54.7%
1 vehicle	40.4%
2 vehicles	4.4%
3 or more	0.5%

Heating fuel

Fuel type	%
Utility gas	63.9%
Electricity	16.3%
Propane / LP gas	2.1%
Fuel oil	12.2%
Solar	0.2%
No fuel used	4.0%

Households & families

Household type	Count	%
Married-couple family	6,674	40.5%
Cohabiting couple	2,027	12.3%
Male householder, no spouse	2,703	16.4%
Female householder, no spouse	5,094	30.9%
Households with children under 18	5,064	30.7%
Households with seniors (65+)	2,933	17.8%
Average household size	2.34

Marital status

Status	Male	Female
Never married	42.9%	43.4%
Married	48.9%	42.2%
Separated	2.0%	2.5%
Widowed	1.5%	5.5%
Divorced	4.6%	6.4%

Education

Less than 9th grade 4.6%

Some HS, no diploma 5.2%

HS graduate 10.8%

Some college, no degree 7.2%

Associate's degree 3.1%

Bachelor's degree 35.9%

Graduate / professional 33.1%

Metric	%
HS diploma or higher	90.1%
Bachelor's or higher	69.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	1,137	13.3%
Kindergarten	545	6.4%
Elementary school	3,675	43.0%
High school	1,453	17.0%
College / grad school	1,746	20.4%

Employment

Industry of employment

Professional & management 25.3%

Education & healthcare 22.1%

Finance & real estate 11.5%

Information 9.6%

Arts, food & hospitality 8.0%

Retail trade 6.8%

Other services 3.7%

Public administration 3.4%

Transportation & utilities 3.0%

Manufacturing 2.7%

Wholesale trade 2.5%

Construction 1.3%

Agriculture & mining 0.1%

Occupation

Category	%
Management, business & arts	72.6%
Service	8.1%
Sales & office	13.3%
Natural resources & construction	0.8%
Production & transportation	5.1%

Employment type

Type	%
Private sector	77.7%
Government	12.5%
Self-employed	9.5%
Unpaid family workers	0.4%

Commute

Method	%
Drive alone	8.2%
Carpool	2.7%
Public transit	40.8%
Walk	14.1%
Work from home	26.3%
Other means	8.0%
Avg commute (minutes)	35.9

Poverty

All people 13.9%

Under 18 years 11.8%

18 and over 14.6%

Married-couple families 3.8%

Female-led households 34.4%

Income support

Source	% of households
Social Security	17.3%
Retirement income	11.7%
Supplemental Security	5.7%
Cash public assistance	5.4%
Food stamps / SNAP	15.6%

Health indicators

Condition	%
Obesity	22.1%
High blood pressure	21.7%
High cholesterol	23.6%
Diabetes	7.7%
Heart disease	3.9%
Stroke	2.2%
Asthma	9.5%
Arthritis	13.9%
Kidney disease	2.4%
Pulmonary disease	4.2%
Cancer	4.7%

Behavior / access	%
Smoking	11.1%
Binge drinking	19.2%
No physical activity	20.9%
Less than 7 hrs sleep	32.2%
Depression	17.1%
Fair or poor health	10.9%
Poor mental health	13.8%
Poor physical health	7.6%
No health insurance	12.7%
Visited doctor (checkup)	75.1%
Visited dentist	67.4%
Cholesterol screening	91.3%
Teeth loss	12.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	434	1.5%

Disability	%
Any disability	7.2%
Under 18	1.8%
18–64 years	6.2%
65 and over	26.6%

Health insurance coverage

Type	%
Private insurance	74.9%
Public insurance	25.9%
No insurance	4.7%
Uninsured under 19	2.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	35,662	91.8%
Spanish	2,713	7.6%
Other Indo-European	1,531	4.3%
Asian & Pacific Islander	641	1.8%
Other languages	461	1.3%

Place of birth & citizenship

Origin	Count	%
Native born (US)	32,126	82.7%
Born in same state	31,163	80.3%
Born in different state	20,063	51.7%
Foreign born	963	2.5%
Naturalized citizen	6,703	17.3%
Not a US citizen	3,518	52.5%

Ancestry

Ancestry	Count	%
Italian	4,145	10.7%
French	2,836	7.3%
Arab	1,058	2.7%
Irish	370	1%
Polish	352	0.9%

Ancestry	Count	%
German	252	0.6%
Norwegian	249	0.6%
Dutch	239	0.6%
English	234	0.6%

Technology access

Metric	% of households
Computer access	42.5%
Internet access	95.3%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 11231

What city is ZIP code 11231 in?

ZIP code 11231 is primarily assigned to Brooklyn, New York.

What county is ZIP code 11231 in?

ZIP code 11231 falls within Kings County, New York.

How educated is the population of ZIP code 11231?

69% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 11231 mostly rentals?

69% of occupied units in ZIP code 11231 are renter-occupied.

What is the median household income in ZIP code 11231?

The median household income in ZIP code 11231 is $130,396, above the national median of ~$75,000.

What is the typical home value in ZIP code 11231?

The median home value in ZIP code 11231 is $1,836,600.

What timezone is ZIP code 11231 in?

ZIP code 11231 observes the EST timezone.