Zip code 08831: Monroe Township, New Jersey

Q: What city is zip code 08831?

08831 is assigned to Monroe Township, New Jersey. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 08831 in?

08831 is in Middlesex County, New Jersey.

Q: What is the population of 08831?

About 55,658 people live in 08831, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 08831?

The median household income in 08831 is $109,042.

Q: What zip codes are near 08831?

The closest zip codes to 08831 are 08828, 08810, 08884, 08512, 07726.

Residential delivery areaMiddlesex CountyEastern Time

Population

55,658

Median household income

$109K

U.S. $81K

Median home value

$517K

U.S. $333K

Median rent

$2,014/mo

U.S. $1,413

Median age

54.8

U.S. 38.9

Land area

51 sq mi

1,085 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 08831

08831 is a suburban zip code in Monroe Township, New Jersey (Middlesex County), covering 51 sq mi of land. About 55,658 people live here, or 1,085 per square mile. The median resident is 54.8 years old, compared with 38.9 nationally.

The median household earns $109,042 a year, 35% above the national median of $80,734. 3.6% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $516,800, or 4.7 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 90% of occupied homes are lived in by their owners, and renters pay a median of $2,014 a month.

52% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 37.9 minutes each way, and 27% of workers work from home. The most common jobs among working residents are in management; sales; and office and administrative support. 33% of households speak a language other than English at home, most often another Indo-European language such as French, German, Russian or Hindi.

How 08831 compares

Sorted from highest to lowest national percentile

Median age54.8
98th
U.S. 38.9 · NJ 40.138th of 579 in NJ
Residents 65 and older36.3%
98th
U.S. 17.2% · NJ 17.2%21st of 580 in NJ
Tech workers10.1%
96th
U.S. 3.8% · NJ 4.8%41st of 578 in NJ
Homeownership rate89.6%
95th
StrengthU.S. 65.2% · NJ 63.8%117th of 576 in NJ
Average commute37.9 min
95th
WeaknessU.S. 26.4 min · NJ 30.5 min44th of 563 in NJ
Median earnings per worker$84,731
95th
StrengthU.S. $49,666 · NJ $60,474118th of 575 in NJ
Rent-burdened renters64.6%
92nd
WeaknessU.S. 51.1% · NJ 51.6%83rd of 553 in NJ
Work from home27.2%
91st
U.S. 15.1% · NJ 16.8%74th of 577 in NJ
Per capita income$67,012
90th
StrengthU.S. $44,673 · NJ $54,253176th of 579 in NJ
Population55,658
86th
U.S. 334,922,499 · NJ 9,343,80920th of 580 in NJ
Median gross rent$2,014
84th
U.S. $1,413 · NJ $1,720149th of 517 in NJ
Foreign-born residents27.2%
84th
U.S. 14.1% · NJ 23.9%141st of 580 in NJ
Bachelor's degree or higher51.8%
81st
StrengthU.S. 35.7% · NJ 43.6%214th of 580 in NJ
Median household income$109,042
78th
U.S. $80,734 · NJ $103,556304th of 566 in NJ
Median home value$516,800
76th
U.S. $332,700 · NJ $454,400212th of 563 in NJ
Income inequality (Gini)0.468
74th
U.S. 0.483 · NJ 0.478119th of 574 in NJ
Diversity index56.9
65th
U.S. 61.4 · NJ 66.4186th of 580 in NJ
Broadband access93.2%
59th
U.S. 91% · NJ 92.8%360th of 576 in NJ
Unemployment rate5.1%
54th
U.S. 5.2% · NJ 6.3%319th of 578 in NJ
Government workers13.5%
48th
U.S. 14.5% · NJ 14.3%337th of 578 in NJ
Healthcare workers9.3%
47th
U.S. 9.7% · NJ 9.2%235th of 578 in NJ
Population density1,085/sq mi
45th
U.S. 95/sq mi · NJ 1,270/sq mi377th of 580 in NJ
Veterans5.4%
44th
U.S. 6.2% · NJ 3.7%141st of 580 in NJ
Residents under 1817.6%
17th
U.S. 22% · NJ 21.8%437th of 580 in NJ
Housing vacancy2.9%
10th
U.S. 10.1% · NJ 7.5%376th of 576 in NJ
Self-employed workers6.1%
10th
U.S. 10% · NJ 8.9%450th of 578 in NJ
Uninsured rate2.2%
6th
StrengthU.S. 8.4% · NJ 7.5%437th of 579 in NJ
Poverty rate3.6%
5th
StrengthU.S. 12.5% · NJ 9.7%426th of 579 in NJ

Measure	08831	Middlesex	NJ	U.S.	National percentile	Rank in NJ
Median age	54.8	39.5	40.1	38.9	98th	38th of 579
Residents 65 and older	36.3%	16.1%	17.2%	17.2%	98th	21st of 580
Tech workers	10.1%	8.7%	4.8%	3.8%	96th	41st of 578
Homeownership rateStrength	89.6%	63.6%	63.8%	65.2%	95th	117th of 576
Average commuteWeakness	37.9 min	31.2 min	30.5 min	26.4 min	95th	44th of 563
Median earnings per workerStrength	$84,731	$61,293	$60,474	$49,666	95th	118th of 575
Rent-burdened rentersWeakness	64.6%	48.1%	51.6%	51.1%	92nd	83rd of 553
Work from home	27.2%	18.1%	16.8%	15.1%	91st	74th of 577
Per capita incomeStrength	$67,012	$50,601	$54,253	$44,673	90th	176th of 579
Population	55,658	871,290	9,343,809	334,922,499	86th	20th of 580
Median gross rent	$2,014	$1,871	$1,720	$1,413	84th	149th of 517
Foreign-born residents	27.2%	35.4%	23.9%	14.1%	84th	141st of 580
Bachelor's degree or higherStrength	51.8%	45.6%	43.6%	35.7%	81st	214th of 580
Median household income	$109,042	$111,549	$103,556	$80,734	78th	304th of 566
Median home value	$516,800	$462,900	$454,400	$332,700	76th	212th of 563
Income inequality (Gini)	0.468	0.437	0.478	0.483	74th	119th of 574
Diversity index	56.9	72.9	66.4	61.4	65th	186th of 580
Broadband access	93.2%	94.3%	92.8%	91%	59th	360th of 576
Unemployment rate	5.1%	6.7%	6.3%	5.2%	54th	319th of 578
Government workers	13.5%	13.6%	14.3%	14.5%	48th	337th of 578
Healthcare workers	9.3%	8.5%	9.2%	9.7%	47th	235th of 578
Population density	1,085/sq mi	2,817/sq mi	1,270/sq mi	95/sq mi	45th	377th of 580
Veterans	5.4%	3%	3.7%	6.2%	44th	141st of 580
Residents under 18	17.6%	21.5%	21.8%	22%	17th	437th of 580
Housing vacancy	2.9%	3.2%	7.5%	10.1%	10th	376th of 576
Self-employed workers	6.1%	7.5%	8.9%	10%	10th	450th of 578
Uninsured rateStrength	2.2%	7.2%	7.5%	8.4%	6th	437th of 579
Poverty rateStrength	3.6%	8.6%	9.7%	12.5%	5th	426th of 579

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

14%

5–17

18–24

25–34

10%

35–44

12%

45–54

13%

55–64

17%

65–74

19%

75+

Median age

54.8

Under 18

17.6%

65 and over

36.3%

Race and ethnicity

White60%
Black2%
Hispanic10%
Asian25%
Native American0.2%
Pacific Islander0%
Other0.7%
Multiracial1%

Diversity index

56.9

U.S. 61.4

Foreign-born

27.2%

U.S. 14.1%

Born in state

41%

Language spoken at home (households)

English only

67%

Spanish

Other Indo-European

16%

Asian / Pacific

Other

Households

Households: 24,083
Average household size: 2.3
Family households: 66.4%
Married couples: 59.8%
Living alone: 31.1%
Veterans (of adults): 5.4%
Male / female: 48% / 52%

Income and poverty

Household income distribution

<$25k

10%

$25–50k

12%

$50–75k

11%

$75–100k

12%

$100–150k

16%

$150–200k

13%

$200k+

25%

Median household income

08831

$109,042

Middlesex Co.

$111,549

New Jersey

$103,556

United States

$80,734

Per capita income

$67,012

U.S. $44,673

Poverty rate

3.6%

U.S. 12.5%

Households earning $150K+

37.6%

U.S. 23%

Income inequality (Gini)

0.468

U.S. 0.483

Housing

Median home value

08831

$516,800

Middlesex Co.

$462,900

New Jersey

$454,400

United States

$332,700

Median gross rent

08831

$2,014

Middlesex Co.

$1,871

New Jersey

$1,720

United States

$1,413

Types of housing

Single-family

87%

2–4 units

5–19 units

20+ units

Mobile home

0.0%

Boat, RV, van

Housing units: 24,806
Owner-occupied: 89.6%
Vacant: 2.9%
Median year built: 1994
Median rooms: 6.1
Renters paying 30%+ of income: 64.6%
Renters paying 50%+ of income: 38.2%
Home value to income: 4.7× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

61%

Carpooled

Transit

Walked

0.9%

Bicycle

0.2%

Worked from home

27%

Other

Commute time (one way)

<10 min

10–19

17%

20–29

19%

30–44

21%

45–59

15%

60+

21%

Average commute

37.9 min

U.S. 26.4 min

Unemployment

5.1%

U.S. 5.2%

In labor force

54.1%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

16%

Sales

11%

Office and admin

10%

Computer and math

10%

Healthcare

Business and finance

Education

Transportation and moving

Engineering and science

Construction and repair

Cleaning and personal care

Production

Police and fire

Legal and social services

Food service

Arts, media and sports

Farming, fishing and forestry

Industries

Finance, insurance and real estate

15%

Professional and technical services

14%

Health care and social assistance

13%

Education

10%

Manufacturing

Retail

Transportation, warehousing and utilities

Public administration

Construction

Admin, support and management

Wholesale

Other services

Restaurants and hotels

Information

Arts and recreation

Agriculture and mining

0.1%

Median earnings per worker

$84,731

U.S. $49,666

Self-employed

6.1%

U.S. 10%

Government workers

13.5%

U.S. 14.5%

Nonprofit workers

4.2%

U.S. 8.8%

Median earnings by type of work

Type of work	08831	U.S.
Management, business, science and arts	$115,579	$74,888
Service	$35,039	$26,804
Sales and office	$60,425	$40,476
Construction and maintenance	$88,909	$49,199
Production and transportation	$41,349	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

22%

Some college

14%

Associate's

Bachelor's

30%

Graduate

22%

High school graduate or higher: 94.7%
Bachelor's degree or higher: 51.8%
Graduate or professional degree: 22.2%
Households with broadband: 93.2%
Cable, fiber or DSL: 83.9%
No internet access: 5.1%
Without health insurance: 2.2%
Limited-English households: 6.1%

Geography

City (USPS): Monroe Township
State: New Jersey
County: Middlesex County
Center point: 40.3343° N, 74.4325° W
Land area: 51 sq mi
Water area: 0.5 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Jamesburg2% of zip
Forsgate (unincorporated)2% of zip
Concordia (unincorporated)2% of zip
Clearbrook (unincorporated)2% of zip
Regency at Monroe (unincorporated)1% of zip
Whittingham (unincorporated)1% of zip
Rossmoor (unincorporated)1% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 08831

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
08828	Helmetta, NJ	3.1 mi	2,459	$98,952	$355,000
08810	Dayton, NJ	3.9 mi	7,952	$151,902	$496,600
08884	Spotswood, NJ	4.6 mi	8,187	$104,702	$369,500
08512	Cranbury, NJ	4.9 mi	12,928	$118,587	$659,400
07726	Englishtown, NJ	5.8 mi	44,764	$149,197	$647,100
07763	Tennent, NJ · PO box	6.4 mi	—	—	—
08816	East Brunswick, NJ	6.6 mi	49,360	$143,586	$522,700
08818	Edison, NJ · PO box	6.7 mi	—	—	—
08855	Piscataway, NJ · PO box	6.7 mi	—	—	—
08857	Old Bridge, NJ	6.7 mi	40,891	$109,312	$486,600
08862	Perth Amboy, NJ · PO box	6.7 mi	—	—	—
08871	Sayreville, NJ · PO box	6.7 mi	—	—	—

Zip codes like 08831 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 08831

What city is zip code 08831?

08831 is assigned to Monroe Township, New Jersey. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 08831 in?

08831 is in Middlesex County, New Jersey.

What is the population of 08831?

About 55,658 people live in 08831, according to the Census Bureau's American Community Survey.

What time zone is 08831 in?

08831 is in Eastern Time.

What is the median household income in 08831?

The median household income in 08831 is $109,042.

What zip codes are near 08831?

The closest zip codes to 08831 are 08828, 08810, 08884, 08512, 07726.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 08831, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.