ZIP Codes of Monmouth County, NJ

Population & People
Population & People
Total Population
661,305
Household Income
Household Income
Median Income
$143,633
Housing
Housing
Total Housing Units
277,038
Business & Economy
Business & Economy
Total Businesses
20,180
Employment
Employment
Employment Rate
62.27%
Education
Education
Bachelor's Degree+
50.99%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 58 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:58 ZIP Codes (49 Standard, 8 PO Box, 1 Unique) [See All]
Area Codes:609 / 640 / 732 / 848 / 908
Timezone:Eastern (GMT -05:00)
Local Time:11:54:29 PM
Population:661,305 [See All]
FIPS:34025
CBSA:New York-Newark-Jersey City, NY-NJ
Land Area:498 sq mi
Water Area:23 sq mi
Coordinates:40.2840, -74.1396
Quick Link:
https://www.zip-codes.com/county/nj-monmouth.asp
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Among America's 50 wealthiest counties
#29 nationwide, average median income $143,633.
Extreme geographic sprawl
The largest ZIP spans 442× the smallest by area — 51.4 sq mi down to 0.12.
Extreme education divide
Bachelor's share ranges 24.2% to 86.8% across ZIPs — a 63-point gap.
Among New Jersey's 5 most populous counties
#5 of 21 counties with 661,305 residents.
Among New Jersey's 5 most-educated counties
51.0% with bachelor's+ (#5 statewide).
Notable income spread
Median income ranges $79,870 to $250,001 across ZIPs — a 3.1× gap.

Standout ZIPs in this County


Most Populous
Freehold · 55,984 people
8.5% of county total
Highest Income
Fair Haven · $250,001 median
1.7× county average
Largest Land Area
Freehold · 51.4 sq mi
Spans the most ground
Fastest Growth
Cliffwood · 37.5% (10-yr)
3,111 → 4,277 residents
Most Educated
Fair Haven · 86.8% bachelor's+
3,386 of 3,899 adults 25+

Things worth knowing about Monmouth County


661,305 residents live across 58 ZIPs covering 498 sq mi, served by 54 distinct USPS-recognized cities.

Population moved from 646,054 to 661,305 from 2014 to 2024 — a +2.4% change. 30 ZIPs gained residents, 20 lost.

The county's wealthiest ZIP 07704 (Fair Haven, $250,001 median) and poorest ZIP 07740 (Long Branch, $79,870) are 5.2 miles apart — a 3.1× income gap across local geography.

Median home values vary 4.4× across this county — from $346,900 in 07734 (Keansburg) to $1,509,600 in 07717 (Avon By The Sea).

Density varies 42× across the county — from 183 people/sq mi in 08514 (Cream Ridge) to 7,669 in 07756 (Ocean Grove).

Educational attainment ranges from 24.2% bachelor's+ in 07734 (Keansburg) to 86.8% in 07704 (Fair Haven) — the breadth of educational profiles across the area.

Within New Jersey, this is the #5 most populous of 21 counties and ranks #4 for median household income .

On the national stage, Monmouth County is ranks #29 for income .

Hosts 1 single-entity Unique ZIP: 07715Nj Natural Gas Co .

Weighted by population, the typical household earns about $132,561 across the county — reflecting what a typical resident sees, not a simple ZIP average.

51.0% of adults age 25+ hold a bachelor's degree or higher (239,904 of 470,510 reporting).

49 Standard delivery, 8 PO Box only, 1 single-entity Unique ZIPs serve this county.

Stories about Monmouth County


Higher-education hub

18 ZIPs in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.

Fair Haven
86.8%
6,170 residents
Little Silver
81.0%
6,105 residents
Rumson
77.3%
9,692 residents
Avon By The Sea
72.5%
2,030 residents
Allenhurst
72.5%
1,641 residents
Sea Girt
70.9%
3,483 residents
Ocean Grove
69.3%
3,092 residents
Marlboro
69.0%
18,476 residents
Manasquan
68.9%
13,223 residents
Spring Lake
67.9%
8,262 residents

Two counties in one

Median household income spans 3.1× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.

Wealthiest ZIP
Fair Haven
Median income: $250,001
Population: 6,170
Bachelor's+: 86.8%
vs
Poorest ZIP (pop >= 500)
Long Branch
Median income: $79,870
Population: 32,917
Bachelor's+: 36.1%
For every $1 of household income in 07740, the typical household in 07704 earns $3.13.

All ZIP Codes in Monmouth County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
07728FreeholdStandard55,984$114,07251.4-0.1%
07726EnglishtownStandard44,764$149,19732.83.3%
07731HowellStandard40,322$134,05632.75.5%
07712Asbury ParkStandard40,194$96,72510.64.1%
07753NeptuneStandard37,297$95,71221.2-1.4%
07740Long BranchStandard32,917$79,8705.66.6%
07747MatawanStandard32,330$124,38313.25.3%
07748MiddletownStandard28,633$152,98113.13.8%
07701Red BankStandard24,376$112,1439.92.3%
07724EatontownStandard24,016$102,75612.410.4%
07719BelmarStandard22,138$119,82814.02.2%
07751MorganvilleStandard21,109$181,20517.010.7%
07735KeyportStandard19,159$97,5365.3-4.4%
07746MarlboroStandard18,476$207,68912.3-5.8%
07730HazletStandard17,534$125,3385.01.5%
07733HolmdelStandard17,166$166,84918.13.1%
08736ManasquanStandard13,223$174,0975.08.3%
07734KeansburgStandard12,925$82,0291.8-2.2%
07722Colts NeckStandard9,990$198,99433.4-1.6%
07760RumsonStandard9,692$226,63514.77.9%
07716Atlantic HighlandsStandard8,893$126,5915.70.8%
07764West Long BranchStandard8,586$114,2712.92.3%
07762Spring LakeStandard8,262$116,2953.11.1%
07727FarmingdaleStandard7,787$129,93125.62.3%
07738LincroftStandard6,939$189,0005.69.5%
07718BelfordStandard6,658$131,5312.30.5%
08501AllentownStandard6,364$146,18226.0-0.7%
07757OceanportStandard6,195$126,0943.710.3%
07704Fair HavenStandard6,170$250,0012.11.3%
07739Little SilverStandard6,105$240,8533.33.1%
07755OakhurstStandard5,613$134,3383.0-12.5%
08510Millstone TownshipStandard5,386$225,96618.513.8%
08535Millstone TownshipStandard4,999$209,73219.4-14.2%
08730BrielleStandard4,956$172,2502.33.9%
08514Cream RidgeStandard4,917$134,03826.8-3.1%
07732HighlandsStandard4,527$91,8750.7-9.6%
07721CliffwoodStandard4,277$123,0600.937.5%
07702ShrewsburyStandard4,179$178,9582.37.2%
07720Bradley BeachStandard4,158$97,0050.6-3.1%
07758Port MonmouthStandard4,076$115,2981.6-17.6%
07737LeonardoStandard3,945$139,3181.8-1.3%
08750Sea GirtStandard3,483$134,1672.1-6.6%
07750Monmouth BeachStandard3,207$150,1882.1-2.2%
07756Ocean GroveStandard3,092$89,2860.4-1.3%
07717Avon By The SeaStandard2,030$122,6350.512.2%
07711AllenhurstStandard1,641$112,4040.925.1%
08555RooseveltPO Box996$110,0001.534.8%
07723DealStandard884$160,0001.6-14.6%
08720AllenwoodPO Box735$224,6711.2-23.0%
07703Fort MonmouthStandard00.1-100.0%
07765WickatunkPO Box0.0
07752NavesinkPO Box0.0
08526ImlaystownPO Box0.0
07715BelmarUnique0.0
07710AdelphiaPO Box0.0
07754NeptunePO Box0.0
07799EatontownStandard0.0
07763TennentPO Box0.0

Adjacent & Nearby Counties