What is the largest city in Monmouth County, NJ?

Long Branch is the largest city or town in Monmouth County, with about 32,530 residents.

How many ZIP codes are in Monmouth County?

Monmouth County includes 49 ZIP Code Tabulation Areas, including 07701, 07702, 07703, 07704, 07711.

What is the population of Monmouth County, NJ?

About 645,353 people live in Monmouth County, based on American Community Survey 5-year estimates.

What counties border Monmouth County?

Monmouth County borders Middlesex County, Ocean County, Burlington County, Mercer County.

Monmouth County, NJ: Cities, ZIP Codes & Local Data

Population

645,353

Land area

468sq mi

People per sq mi

1,378

ZIP codes

49

Monmouth County at a glance

By population, it ranks 6th among 21 counties in New Jersey.
The median household income is $124,845, 21% above the New Jersey median of $103,556.
A typical owner-occupied home is valued at $606,100 (33% above New Jersey) and median rent is $1,827 a month.
Its largest cities are Long Branch (32,530), Tinton Falls (19,361) and Asbury Park (15,295).

Local data for Monmouth County, NJ

Counts from official public data

Housing and community stats

Monmouth County, NJ, American Community Survey 2020-2024

Full profile

Median household income

$124,845

Poverty rate

6.5%

Median home value

$606,100

Prices +6.2% in a year

Median rent

$1,827/mo

Homeownership

75.6%

Bachelor's or higher

51.3%

Median age

43.2

Average commute

32.1 min

Largest reported origins and ancestries: Italian Americans (145,317), Irish Americans (124,081), German Americans (68,455).

Home values and rents Income, education and commute

Economy and federal money

Jobs, income, federal spending and pandemic loans

Details

Unemployment rate

4.2%

Aug 2026, -0.9 pts in a year

Average annual pay

$74,435

279,012 jobs, 2025

Income per person

$104,887

BEA, 2024

Federal spending

$4.99B

FY 2026, $7,746 per person

PPP loans

$1.98B

23,019 loans, 231,259 jobs reported

Campaign donations

$7.38M

Itemized, 2026 cycle

Economy Federal spending PPP loans

How people get to work

Monmouth County, NJ, workers 16 and older. American Community Survey 5-year estimates

Drove alone64.6%
Carpooled7.5%
Public transit5.2%
Walked1.7%
Bicycle0.5%
Taxi, ride-hailing, motorcycle or other1.6%
Worked from home18.9%

Average one-way commute: 32.1 minutes for people who do not work from home.

Environment and hazard risk

Monmouth County, NJ, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively High

Top: strong wind

Storm events since 1996

2,175

Most often thunderstorm wind

Flood insurance policies

14,530

7.4% of homes, county

July high / Jan low

87° / 23°F

48.6 inches of rain a year

Hazards, floods and storm history Check a flood zone 76 historic places

Health statistics

Share of adults in Monmouth County, NJ, CDC PLACES estimates

All 40 measures

Obesity

30.4%

U.S. 33.3% -2.9 pts

Diabetes

9.8%

U.S. 12.1% -2.3 pts

Smoking

9.7%

U.S. 12.8% -3.1 pts

Uninsured (18-64)

7.7%

U.S. 11.1% -3.4 pts

Cities, towns and ZIP codes in Monmouth County

Population shown

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Frequently asked questions

What is the largest city in Monmouth County, NJ?: Long Branch is the largest city or town in Monmouth County, with about 32,530 residents.
How many ZIP codes are in Monmouth County?: Monmouth County includes 49 ZIP Code Tabulation Areas, including 07701, 07702, 07703, 07704, 07711.
What is the population of Monmouth County, NJ?: About 645,353 people live in Monmouth County, based on American Community Survey 5-year estimates.
What counties border Monmouth County?: Monmouth County borders Middlesex County, Ocean County, Burlington County, Mercer County.