🇺🇸 United States ZIP Code

STANDARD

64503

Saint Joseph

ZIP Code 64503 is a standard zip code serving Saint Joseph, Saint Joseph, Missouri (MO), in Buchanan County, United States. It has an estimated population of 12,921 with a median household income of $44,645. The area falls within the America/Chicago timezone.

Median Household Income vs. National Average

Location

Country: 🇺🇸 United States
State / Province: Missouri (MO)
County: Buchanan
City: Saint Joseph
Timezone: America/Chicago

Coordinates

Latitude: 39.734000
Longitude: -94.817100

Geographic Details

Land Area: 15.12 mi²
Water Area: 0.30 mi²
Population Density: 855.0 people per mi² (75th percentile)
Bounding Box: 39.797182°N, 39.708210°S, -94.759151°E, -94.935780°W

With 12,921 residents spread across 15.12 square miles, this area has a population density of 855.0 people per square mile.

Demographics

12,921

Population

70th percentile

$44,645

Median Income

40th percentile

$97,200

Median Home Value

30th percentile

15.12 mi²

Land Area

The median household income in 64503 is $44,645, and the median home value is $97,200.

Housing

5,730

Total Units

5,144

Occupied Units

89.8%

Occupancy Rate

Nearby ZIP Codes

Other zip codes in Saint Joseph, MO.

64501

Saint Joseph

64502

Saint Joseph

64504

Saint Joseph

64505

Saint Joseph

64506

Saint Joseph

64507

Saint Joseph

64508

Saint Joseph

Similar ZIP Codes in Missouri

ZIP codes with similar median household income in Missouri.

63334

Bowling Green

$38,921

65734

Purdy

$40,711

63461

Palmyra

$46,830

65276

Pilot Grove

$50,625

64720

Adrian

$45,417

65251

Fulton

$45,413

63855

Hornersville

$41,447

65582

Vienna

$45,305

Frequently Asked Questions

What information is available for each ZIP code?

Each ZIP code page shows city, state, county, geographic coordinates, timezone, population, median household income, median home value, housing units, land area, population density, commute time, educational attainment, area codes, and ZIP code type (Standard, PO Box, or Unique).

What are the different types of ZIP codes?

There are three types of ZIP codes: Standard (residential and commercial delivery areas), PO Box (assigned to post office box sections), and Unique (assigned to a single high-volume address like a government agency or large company). Standard ZIP codes are the most common.

How often is ZIP code data updated?

ZIP code assignments are updated quarterly by the USPS. Demographic data comes from the US Census Bureau's American Community Survey (ACS), which releases new 5-year estimates annually. ZipFYI updates its data to reflect the latest available information.

What is population density and why does it matter?

Population density measures the number of people per square mile in a ZIP code area. It helps identify urban vs. rural areas, affects real estate values, impacts service availability, and is used in market analysis. Dense urban ZIP codes may have 50,000+ people per square mile.

How are ZIP code boundaries determined?

ZIP code boundaries are determined by the USPS based on mail delivery routes, not political or geographic boundaries. They follow carrier routes and may cross city, county, or even state lines. Boundaries can change when the USPS reorganizes delivery operations.

What does median household income tell me about a ZIP code?

Median household income is the middle value when all household incomes in a ZIP code are sorted. Half of households earn more and half earn less. It is a better indicator of typical earnings than average income, which can be skewed by very high or very low outliers.