Postal Codes

07821 ZIP Code

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ZIP code 07821 covers Andover, New Jersey, with a population of about 9,036 and a median household income of $145,100.

Population
9,036211 per square mile
Median age
42.94.2 points above the US average
Median household income
$145,1001.4× the New Jersey median
Poverty rate
2.4%10 points below the US average
Typical home value
$535,173up 36.7% in five years
Median rent
$1,646about the New Jersey median
Degree or higher
53%18 points above the US average
Homeownership
92.3%27.3 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
174

Where 07821 is

Andover, New Jersey — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population9,036
Median age42.9
Family households73.3%
Born outside the US7.8%
Speaks a language other than English at home8.7%
White (non-Hispanic)83.5%
Black (non-Hispanic)1.5%
Asian (non-Hispanic)0.7%
Hispanic or Latino10.3%
Veterans4.4%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$145,100
Income per person$63,180
Poverty rate2.4%
Households on SNAP or cash assistance1.4%

Household income distribution

Under $10k1.0%
$10–15k1.0%
$15–20k0.5%
$20–25k1.5%
$25–30k2.5%
$30–35k0.6%
$35–40k1.4%
$40–45k1.6%
$45–50k1.9%
$50–60k2.5%
$60–75k7.9%
$75–100k14.1%
$100–125k7.9%
$125–150k7.6%
$150–200k22.1%
$200k or more25.9%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed4,570
Mean adjusted gross income$119,851
Returns declaring $200,000 or more15.3%
Returns, under $25k20.6%
Returns, $25k–$50k13.6%
Returns, $50k–$75k14.0%
Returns, $75k–$100k10.1%
Returns, $100k–$200k26.5%
Returns, $200k or more15.3%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$401,900
Median gross rent$1,646
Rent as a share of household income29.1%
Owner-occupied92.3%
Vacant homes8.1%
Median year built1972

What the homes are

Detached house96.6%
2 to 4 units3%
5 to 19 units0.5%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$535,173as of 2026-07
Typical home value, 1 yearup 4.4%
Typical home value, 5 yearsup 36.7%
Typical home value, 10 yearsup 84.7%
Typical home value since 2000
200020132026$535,173$189,995

$189,995 in 2000 to $535,173 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.7%
Bachelor's degree or higher53%
High school diploma or higher96.7%
Works from home16.9%
Drives to work alone75%
Takes public transport1.9%
Commutes 45 minutes or more35.3%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity26% 7.4 pts below the national average of 33.4%
Diagnosed diabetes8.5% 3.5 pts below the national average of 12%
Currently smokes9.9% 3.3 pts below the national average of 13.2%
High blood pressure31.4% 2.7 pts below the national average of 34.1%
Fair or poor general health12.9% 7.4 pts below the national average of 20.3%
No health insurance (18–64)6.5% 4.8 pts below the national average of 11.3%
Depression18.2% 3.7 pts below the national average of 21.9%
No leisure-time physical activity18.6% 6.8 pts below the national average of 25.4%
Arthritis23% 2.1 pts below the national average of 25.1%
Binge drinking17.7% 1.7 pts above the national average of 16%
Taking blood pressure medication76.3% 1.6 pts above the national average of 74.7%
Cancer (non-skin)8.9% 1.2 pts above the national average of 7.7%
Current asthma9.4% 1 pts below the national average of 10.4%
Coronary heart disease5.2% 1 pts below the national average of 6.2%
Routine check-up in past year78.3% 1.6 pts above the national average of 76.7%
Cholesterol screening90.4% 4.5 pts above the national average of 85.9%
Cognitive disability10.1% 4.7 pts below the national average of 14.8%
Colorectal screening66.9% 2.6 pts above the national average of 64.3%
COPD4.7% 1.9 pts below the national average of 6.6%
Visited a dentist74.1% 12.8 pts above the national average of 61.3%
Any disability20.6% 10.1 pts below the national average of 30.7%
Lacks emotional support19.7% 5.1 pts below the national average of 24.8%
Food insecurity7.7% 9.4 pts below the national average of 17.1%
Received food stamps4.2% 10.1 pts below the national average of 14.3%
Hearing disability5.3% 1.4 pts below the national average of 6.7%
High cholesterol38.9% 2.7 pts above the national average of 36.2%
Housing insecurity7.5% 6.3 pts below the national average of 13.8%
Independent living disability5.3% 3.1 pts below the national average of 8.4%
Lacks transport4.8% 4.4 pts below the national average of 9.2%
Loneliness30.8% 3.6 pts below the national average of 34.4%
Mammography use78% 2.1 pts above the national average of 75.9%
Poor mental health (14+ days)14.3% 2.5 pts below the national average of 16.8%
Mobility disability8.8% 5.2 pts below the national average of 14%
Poor physical health (14+ days)10.9% 2.6 pts below the national average of 13.5%
Self-care disability2.5% 1.5 pts below the national average of 4%
Utility shut-off threat4.4% 4.4 pts below the national average of 8.8%
Sleeps under 7 hours34.6% 1.8 pts below the national average of 36.4%
Stroke2.6% 0.8 pts below the national average of 3.4%
All natural teeth lost7.1% 5.9 pts below the national average of 13%
Vision disability3.1% 2.5 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments174
People employed1,713
Annual payroll$90,342,000
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Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 36.4% of US census tracts
FEMA ratingVery Low to Relatively Moderate across the 9 census tracts this ZIP code covers
Expected annual loss48.5 out of 100
Community resilience75.8 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Strong wind93.7Very High at its worst in this ZIP code
Landslide90.1Relatively Low at its worst in this ZIP code
Cold wave84.9Relatively High at its worst in this ZIP code
Drought68.5Relatively Moderate at its worst in this ZIP code
Winter weather66.2Relatively High at its worst in this ZIP code
Hurricane58.6Relatively Moderate at its worst in this ZIP code
Lightning51.1Relatively High at its worst in this ZIP code
Earthquake45.7Relatively Low at its worst in this ZIP code
Wildfire45.2Relatively Low at its worst in this ZIP code
River flooding42.2Relatively Moderate at its worst in this ZIP code
Ice storm42Relatively Low at its worst in this ZIP code
Tornado38.2Relatively Low at its worst in this ZIP code
Avalanche31.4Very Low at its worst in this ZIP code
Heat wave25.4Relatively Moderate at its worst in this ZIP code
Hail18.3Very Low at its worst in this ZIP code
Compared with New Jersey and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPNew JerseyUnited States
Median household income$145,100$101,050$78,538
Income per person$63,180$53,118$43,289
Poverty rate2.4%9.8%12.4%
Median home value$401,900$427,600$303,400
Median gross rent$1,646$1,653$1,348
Homeownership92.3%63.7%65%
Bachelor's degree or higher53%42.9%35%
Unemployment rate4.7%6.2%5.2%
Works from home16.9%15%13.5%
Born outside the US7.8%23.5%13.9%
Median age42.940.138.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationANDOVER AEROFLEX AP, NJ US5.4 km away
Rain in a year49 in

Average high and low by month

January35.9°F / 18.9°F3.27 in rain
February39.2°F / 19.6°F2.83 in rain
March47.8°F / 27.9°F4.07 in rain
April60.8°F / 38.2°F3.78 in rain
May71°F / 48°F3.83 in rain
June79.1°F / 57.1°F4.54 in rain
July83.6°F / 61.8°F5.06 in rain
August81.5°F / 60.1°F4.85 in rain
September74.4°F / 52.4°F4.32 in rain
October62.9°F / 41.7°F4.64 in rain
November51.6°F / 32.4°F3.43 in rain
December40.8°F / 24.8°F4.18 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket52% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 8 school districts, so the address decides which one, not the ZIP code.

Byram Township School District24.9% of this ZIP code's land area
Lenape Valley Regional School District24.9% of this ZIP code's land area
Green Township School District15.2% of this ZIP code's land area
Andover Regional School District9.7% of this ZIP code's land area
Hopatcong Borough School District9.6% of this ZIP code's land area
Allamuchy Township School District7.9% of this ZIP code's land area
Frelinghuysen Township School District3.9% of this ZIP code's land area
North Warren Regional School District3.9% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability8more vulnerable than 8% of US census tracts
Socioeconomic status14more vulnerable than 14% of US census tracts
Household characteristics15more vulnerable than 15% of US census tracts
Racial and ethnic minority status27more vulnerable than 27% of US census tracts
Housing type and transport10more vulnerable than 10% of US census tracts
Walkability5.6 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

07879 Tranquility, NJ3.1 km away
07839 Greendell, NJ5.9 km away
07874 Stanhope, NJ6.2 km away
07820 Allamuchy, NJ6.6 km away
07843 Hopatcong, NJ8 km away
07857 Netcong, NJ8.3 km away
07828 Budd Lake, NJ9.9 km away
07850 Landing, NJ10 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Sussex County83.4% of this ZIP code's land area
Warren County16.6% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area42.78 sq mi
Water area1.47 sq mi
Population density211 people per sq mi
Latitude, longitude40.9614, -74.7524

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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