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ZIP Code 18603

Columbia, Pennsylvania

FIPS 18603

Juniper

ZIP Code 18603 is in the top 3% nationally for appreciation 1yr %. It also sits in the top 17% nationally for HPI growth 5yr %.

Median Home Value

$170,500

Lower than 60% of U.S. ZIP codes

HPI Growth 5yr %

57%

Higher than 83% of U.S. ZIP codes

FEMA Risk Score

70

Higher than 56% of U.S. ZIP codes

The basics

Total Population

18,827

Median Age

45.3

Home values & property tax

Ranked against U.S. ZIP codes.

Median Home Value

$170,500

Lower than 60%

Median Property Tax

$2,004

Effective Tax Rate

1%

Cost of living & affordability

Ranked against U.S. ZIP codes.

Price-to-Income Ratio

2.83

Near median

Median Rent

$810

Lower than 59%

Home prices & appreciation

Ranked against U.S. ZIP codes.

HPI Growth 5yr %

57%

Higher than 83%

Appreciation 1yr %

14%

Higher than 97%

Pandemic Gain %

36%

Recession Drop %

-1.4%

Climate & weather

Ranked against U.S. ZIP codes.

Summer Avg High (°F)

78.1

Winter Avg Low (°F)

18.5

Avg Temperature (°F)

47.6

Hot Days/yr (>90°F)

4.2

Freezing Days/yr (<32°F)

145.1

Annual Precipitation (in)

47.5

Annual Snowfall (in)

35.6

Flood & disaster risk

Ranked against U.S. ZIP codes.

FEMA Risk Score

70

Higher than 56%

The full report

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

  • People

  • Work & Money

  • Housing

  • Amenities

  • Environment & Risk

ZIP Code 18603: frequently asked questions

What is the median home value in ZIP Code 18603?
The median home value in ZIP Code 18603 is $170,500, lower than 60% of U.S. ZIP codes.
How much is property tax in ZIP Code 18603?
The median annual property tax in ZIP Code 18603 is $2,004, an effective rate of 1% of home value.
Is ZIP Code 18603 expensive to live in?
Homes in ZIP Code 18603 cost about 2.83× the median household income, near the U.S. ZIP codes median.
What is the average rent in ZIP Code 18603?
The median gross rent in ZIP Code 18603 is $810 a month, lower than 59% of U.S. ZIP codes.
How much have home prices grown in ZIP Code 18603?
Home prices in ZIP Code 18603 have moved 57% over the past five years (14% in the past year), per the FHFA House Price Index.
What is the weather like in ZIP Code 18603?
ZIP Code 18603 averages 47.6°F year-round, summer highs near 78.1°F, winter lows around 18.5°F (NOAA 1991–2020 normals). It sees about 35.6 inches of snow a year.
Is ZIP Code 18603 at risk of flooding or natural disasters?
ZIP Code 18603's FEMA National Risk Index score is 70 (higher than 56% of U.S. ZIP codes). Its greatest modeled natural hazard is tornado.

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