City profile · New Jersey · Census ACS 2023

Mendham, NJ

Population, income, housing, safety, climate and schools for Mendham - drawn straight from Census ACS, FBI UCR, NOAA, NCES, HUD and FEMA, refreshed on the 2024–2025 release cycle.

4,977
Residents
$223,750
Median income
$764,000
Median home
$2,205
Median rent (state)

Mendham - the verdict

Mendham ranks in the 99th percentile for household income nationally, out of every US city with at least 1,000 residents. Source: Census ACS.

99th
percentile, household income
94th
percentile, home value
86th
percentile, median rent
📝 How we sourced this

Population, income, and housing-cost figures come from the U.S. Census Bureau American Community Survey 5-year estimates (B-series tables). Crime data uses FBI UCR; climate uses NOAA Climate Normals; school counts come from NCES Common Core of Data; permits use the Census Building Permits Survey (BPS). See our methodology page for the full ETL pipeline and OMB / FIPS join keys.

Data Snapshot: Mendham, NJ

Census ACS 2023 estimates count 4,977 residents in Mendham, a small town within New Jersey. Median household income here is $223,750 per year, placing it in the top quartile of U.S. cities for household income, with a poverty rate of 0.0%. Home values in Mendham run a median of $764,000, and the median resident age is 46.6 years. 79.2% of adults here have a bachelor's degree or higher; 64.0% of working-age residents are in the labor force.

In 2024, 92 residential building permits were authorized in Mendham (Slowing), down 23% from five years earlier, per Census BPS data.

New Jersey carries a cost-of-living premium: BEA Regional Price Parities 2024 puts New Jersey at 108.8 on a 100-equals-national-average scale (Well Above Average). A typical two-bedroom carries a HUD Fair Market Rent of $2,205 per month statewide. Statewide, average monthly utility bills in New Jersey run around $275, per EIA 2023 residential energy data. On FEMA's National Risk Index, this area rates 92.9 out of 100 for natural-hazard exposure (Very High).

Population

4,977 residents

Census ACS 2023 - New Jersey

Median Household Income

$223,750 /yr

Poverty 0.0%

Cost of Living Index (state)

108.8 (US=100)

Well Above Average - BEA RPP 2024, New Jersey average

How does Mendham compare to other US cities?

Mendham measured against every US city with 1,000+ residents, computed live from the same Census and FBI data shown throughout this page.

Household income 99% higher than other cities
Home value 94% pricier than other cities
Median rent 86% pricier than other cities

"Safer than" reflects total crime rate from FBI UCR; the others use Census ACS estimates.

How we calculate these percentiles & ranks

Each percentile compares Mendham against every qualifying US city; each in-state rank narrows that to New Jersey only. Full formula and direction notes: methodology.

New Jersey-relative analysis

Poverty Rate places Mendham near the bottom of New Jersey's cities

Among the 680 New Jersey cities PlainCities tracks with reported poverty rate data, Mendham ranks #540 - the 0th percentile within the state. This is a different, narrower cut than the nationwide percentiles above: it compares Mendham only against its own state's cities, not the full US field.

Median Household Income
#27 of 659
96th percentile in New Jersey
Median Gross Rent
#298 of 686
41st percentile in New Jersey
Median Home Value
#78 of 672
88th percentile in New Jersey
Poverty Rate
#540 of 680
0th percentile in New Jersey
Bachelor's Degree or Higher
#24 of 686
96th percentile in New Jersey

Ranked by raw value (highest first); a higher rank is not automatically "better" for every measure, see each metric's own context above. This is a comparison within New Jersey only, not a livability score. See the methodology for the source and calculation.

99thIncome percentile

99th percentile nationally for median household income. Source: Census ACS 2023 / FBI UCR 2023.

How Mendham's home value compares nationally

Median home value vs. every US city (population 1,000+)

$764,000 6th percentile more affordable than 6% of 15,600 US cities

$0–$25,000: 5 US cities (0%). Below this entry. $25,000–$50,000: 54 US cities (0%). Below this entry. $50,000–$75,000: 352 US cities (2%). Below this entry. $75,000–$100,000: 1,086 US cities (7%). Below this entry. $100,000–$125,000: 1,516 US cities (10%). Below this entry. $125,000–$150,000: 1,170 US cities (8%). Below this entry. $150,000–$175,000: 1,278 US cities (8%). Below this entry. $175,000–$200,000: 1,229 US cities (8%). Below this entry. $200,000–$225,000: 1,035 US cities (7%). Below this entry. $225,000–$250,000: 976 US cities (6%). Below this entry. $250,000–$275,000: 754 US cities (5%). Below this entry. $275,000–$300,000: 712 US cities (5%). Below this entry. $300,000–$325,000: 521 US cities (3%). Below this entry. $325,000–$350,000: 526 US cities (3%). Below this entry. $350,000–$375,000: 465 US cities (3%). Below this entry. $375,000–$400,000: 393 US cities (3%). Below this entry. $400,000–$425,000: 317 US cities (2%). Below this entry. $425,000–$450,000: 300 US cities (2%). Below this entry. $450,000–$475,000: 307 US cities (2%). Below this entry. $475,000–$500,000: 250 US cities (2%). Below this entry. $500,000–$525,000: 160 US cities (1%). Below this entry. $525,000–$550,000: 156 US cities (1%). Below this entry. $550,000–$575,000: 172 US cities (1%). Below this entry. $575,000–$600,000: 172 US cities (1%). Below this entry. $600,000–$625,000: 163 US cities (1%). Below this entry. $625,000–$650,000: 167 US cities (1%). Below this entry. $650,000–$675,000: 135 US cities (1%). Below this entry. $675,000–$700,000: 101 US cities (1%). Below this entry. $700,000–$725,000: 95 US cities (1%). Below this entry. $725,000–$750,000: 71 US cities (0%). Below this entry. $750,000–$775,000: 65 US cities (0%). This entry sits in this band. $775,000–$800,000: 70 US cities (0%). Above this entry. $800,000–$825,000: 57 US cities (0%). Above this entry. $825,000–$850,000: 67 US cities (0%). Above this entry. $850,000–$875,000: 60 US cities (0%). Above this entry. $875,000–$900,000: 58 US cities (0%). Above this entry. $900,000–$925,000: 47 US cities (0%). Above this entry. $925,000–$950,000: 37 US cities (0%). Above this entry. $950,000–$975,000: 31 US cities (0%). Above this entry. $975,000–$1,000,000: 470 US cities (3%). Above this entry. $1,000,000–$1,025,000: 0 US cities (0%). Above this entry. Mendham $0 $1,025,000 every US city, bucketed by value

Each bar is a $25K-wide band; taller bars hold more US cities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau ACS 5-Year Estimates · 2023

Income distribution context

Household income distribution - Mendham, NJ Mendham, NJ's reported median household income shown against the U.S. national quintile-share pattern (not Mendham, NJ-specific quintile data). The Lorenz curve traces the national cumulative income share against cumulative population share, perfect equality is the diagonal; observed inequality bows below. $ Household Income Distribution Mendham, NJ median $223,750/yr, vs. U.S. national quintile pattern QUINTILE SHARE OF AGGREGATE INCOME Lowest 20% 3.4% Second 20% 9.2% Middle 20% 15.1% Fourth 20% 23.2% Top 20% 49.1% LORENZ CURVE cumulative income vs. population 100% 0% 100% pop. 0%
Mendham, NJ's median household income (Census ACS 5-year estimate) plotted against the U.S. national income-quintile distribution pattern for context; the quintile shares and Lorenz curve are national figures, not computed specifically for Mendham, NJ. Diagonal = perfect equality.

Key socioeconomic indicators

Bachelor's degree or higher (adults 25+) 79.2%

Census ACS S1501, educational attainment

Poverty rate (households below FPL) 0.0%

Census ACS S1701, poverty status

Labor force participation (adults 16+) 64.0%

Census ACS S2301, share of working-age residents in the labor force

Population
4,977
Median Income
$223,750
Median Home Value
$764,000
Median Age
46.6
Poverty Rate
0.0%
Labor force participation
64.0%
Bachelor's Degree+
79.2%

Schools

Total Schools
3
Public schools in this city

Population Change

Annual U.S. Census Bureau Population Estimates Program (PEP) estimates, 2020–2025

See the fastest-growing cities →
4,900 residents4,950 residents5,000 residents 202020212022202320242025 4,935 residents 4,985 residents ▲ +1.0%
Mendham's Census PEP population estimates, 2020–2025.

Housing Supply

Census Bureau Building Permits Survey (BPS) - annual residential permits authorized

🏗️ Slowing
Total Permits (2024)
92
housing units authorized
Single-Family
92
detached homes
Multifamily
0
apartments & condos
Supply Intensity
18.5
permits per 1,000 residents

5-Year Permit Trend (2019–2024)

Year Total
2019 120
2020 232
2021 151
2022 121
2023 112
2024 92

Permit volume decreased 23% from 2019 to 2024.

Commute Patterns

How workers travel to work, Census ACS 2023

Drive Alone
59.9%
Carpool
1.9%
Public Transit
3.6%
Walk
1.8%
Work from Home
30.8%
Other
2.0%

Based on 2,488 workers 16 and over.

Monthly Utility Costs

State-average estimates for New Jersey - EIA 2023 residential energy data

Electricity
$120
avg/month
Natural Gas
$95
avg/month
Water & Sewer
$60
avg/month
Total Utilities
$275
estimated/month

Estimates reflect New Jersey state averages. Actual costs vary by home size, usage, and local rates. Source: U.S. Energy Information Administration (EIA) 2023.

Living Costs & Risk

Cost of living is a New Jersey state average from BEA; rent and hazard risk are county-level figures from HUD and FEMA for the county Mendham sits in

Cost of Living Index
108.8
Well Above Average
US average = 100 · BEA RPP 2024
Typical 2-BR Rent
$2,205/mo
HUD Fair Market Rent
County-level FMR estimate
Natural Hazard Risk
92.9 / 100
Very High
FEMA NRI composite score (county)

Similar Cities in New Jersey

Ampere North
4,968 people
Forked River
4,988 people
Brielle
4,960 people
Franklin
4,938 people
Ellisburg
5,021 people
Florence
5,027 people

Cities of a Similar Size Nationwide

Population-matched peers from other states, closest to Mendham's 4,977 residents (Census ACS 5-Year 2023).

Colville, WA
4,979 people
Circle Pines, MN
4,980 people
Winfield, AL
4,982 people
Baxley, GA
4,971 people
Argyle, TX
4,970 people
Union Grove, WI
4,968 people

Cities with a Similar Household Income Nationwide

Median-household-income-matched peers from other states, closest to Mendham's $223,750 (Census ACS 5-Year 2023, table B19013).

Barnesville, MD
$223,750 median income
Vienna, VA
$223,571 median income
Glenbrook, NV
$223,942 median income
San Miguel CDP (Contra Costa County), CA
$224,219 median income
Danville, CA
$223,206 median income
Montecito, CA
$222,966 median income

Race & Ethnicity Composition

Race and ethnicity - Mendham, NJ Race categories sum to one hundred percent per Census methodology. Hispanic or Latino is shown separately as an ethnicity overlay; it cuts across all race categories per OMB Directive 15. Race & Ethnicity Composition Mendham, NJ - Census ACS, OMB race + ethnicity categories RACE, sums to 100% 82.9% 6.6% 10.4% ETHNICITY, Hispanic or Latino (any race) 5.6% White 82.9% Black or African American 0.0% Asian 6.6% American Indian 0.0% Native Hawaiian 0.0% Some other race 0.0% Two or more races 10.4% Per OMB Directive 15: Hispanic/Latino ethnicity is reported separately from the race categories.
Race categories sum to 100%. Hispanic or Latino ethnicity is reported separately and cuts across race per Census/OMB methodology.

City-level race and ethnicity, Census ACS 5-year 2023 (tables B02001, B03001), OMB Directive 15 categories.

How Mendham compares to nearby New Jersey cities

Population + median household income, sourced from Census Bureau ACS 5-year B01001 (population) and B19013 (median household income).

City Population Median Household Income
Mendham (this city) 4,977 $223,750
Ampere North 4,968 $71,192
Forked River 4,988 $87,455
Brielle 4,960 $167,754
Census ACS 5-year FIPS NJ NCES CCD Census BPS 2024 OMB Bulletin 23-01

What do people ask about Mendham, NJ?

What is the population of Mendham, NJ? +

Mendham, NJ has a population of 4,977 according to U.S. Census Bureau ACS 2023 estimates.

What is the median household income in Mendham, NJ? +

Median annual household income in Mendham runs $223,750, based on Census ACS 2023 data.

What is the cost of living in Mendham? +

BEA does not publish a city-level cost-of-living figure for Mendham; the closest available measure is the New Jersey state average, a cost of living index of 108.8 (U.S. average = 100), rated "Well Above Average" based on BEA Regional Price Parities 2024 data. Costs within New Jersey vary by metro area.

What is the median home value in Mendham, NJ? +

The median home value in Mendham is $764,000, according to Census ACS 2023 estimates.

Source: U.S. Census Bureau ACS 5-Year 2023, NCES CCD, Census BPS 2024, Census ACS B08301/B08136, U.S. Energy Information Administration (EIA) 2023, BEA Regional Price Parities 2024, HUD Fair Market Rents 2026, FEMA National Risk Index.

Read our methodology - how this data is sourced, computed, and verified.

Primary sources: Census ACS, FBI UCR, NOAA Climate Normals, NCES.

Citation & verification links Data sourced from the U.S. Census Bureau. See our methodology for details. Retrieved and formatted by PlainCities

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Every figure on PlainCities is rendered directly from Census ACS source data, no number is typed in by an editor. This page draws directly on Census ACS source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.