← Back to Explorer

ZIP Code 08638

Mercer, New Jersey

ZCTA 08638

Juniper

ZIP Code 08638 is in the 95th percentile nationally for home price growth over five years. It also sits in the highest 20% nationally for median rent. And it sits in the highest 35% nationally for home price against income.

Typical Home Valuemedian home value (ACS), re-priced to today on the FHFA index

$314,455

Lower than 56% of U.S. ZIP codes
Home Price Growth, Past Five Years

79%

Higher than 95% of U.S. ZIP codes
FEMA Risk Score0–100; 0 = lowest modelled risk, 100 = highest, vs places of the same type

66.5

Near the U.S. ZIP codes median

The boundary of ZIP Code 08638, in Mercer, New Jersey.

The basics

Total Population

22,816

Median Age

35.9

Population Density

4,204.12

Home values & property tax

Median Property Tax

$6,487

Property Tax Rateyearly tax as a share of home value

2.6%

Cost of living & affordability

Home Price vs Incomeyears of income to buy a typical home

3.67×

Higher than 65% of U.S. ZIP codes
Median Income

$66,875

Lower than 58% of U.S. ZIP codes
Median Rent

$1,593

Higher than 80% of U.S. ZIP codes

Home prices & appreciation

Home Price Growth, Past Year

2.2%

Lower than 61% of U.S. ZIP codes
Pandemic Price Run-Up2019–20 low → 2022–23 peak

65%

2008 Crash: Peak-to-Trough Drophow far prices fell, 2007 → 2011

31%

Climate & weather

Summer Avg High (°F)

84.1

Winter Avg Low (°F)

24.2

Avg Temperature (°F)

53.4

Hot Days/yr (>90°F)

23.8

Freezing Days/yr (<32°F)

108.9

Annual Precipitation (in)

47.9

Annual Snowfall (in)

26.6

Flood & disaster risk

Coastal Flood Loss per $1,000

$0

The full report

Six pillars — each with percentile benchmarks, 16-year trends, and per-metric detail.

  • People

  • Work & Money

  • Housing

  • Amenities

  • Climate

  • Environment & Risk

ZIP Code 08638: frequently asked questions

What is the typical home value in ZIP Code 08638?
The estimated median home value in ZIP Code 08638 today is $314,455, lower than 56% of U.S. ZIP codes.
How much is property tax in ZIP Code 08638?
The median annual property tax in ZIP Code 08638 is $6,487, an effective rate of 2.6% of home value.
Is ZIP Code 08638 expensive to live in?
Homes in ZIP Code 08638 cost about 3.67× the median household income, higher than 65% of U.S. ZIP codes.
What is the average rent in ZIP Code 08638?
The median gross rent in ZIP Code 08638 is $1,593 a month, higher than 80% of U.S. ZIP codes.
How much have home prices grown in ZIP Code 08638?
Home prices in ZIP Code 08638 have moved 79% over the past five years (2.2% in the past year), per the FHFA House Price Index.
How many people live in ZIP Code 08638?
ZIP Code 08638 has a population of 22,816, about 4,204.12 people per square mile, per the U.S. Census American Community Survey. The median age is 35.9.
What is the weather like in ZIP Code 08638?
ZIP Code 08638 averages 53.4°F year-round, summer highs near 84.1°F, winter lows around 24.2°F (NOAA 1991–2020 normals). It sees about 26.6 inches of snow a year.
Is ZIP Code 08638 at risk of flooding or natural disasters?
ZIP Code 08638's FEMA National Risk Index score is 66.5 (near the U.S. ZIP codes median). Its greatest modeled natural hazard is inland flooding. Modeled coastal-flood loss is negligible.

Sources: U.S. Census ACS, FEMA National Risk Index, FHFA House Price Index, OpenStreetMap contributors (ODbL), EPA. Explore the map →

TermsPrivacyData disclaimer