Skip to main content

🇺🇸 United States ZIP Code

STANDARD

63129

Saint Louis

ZIP Code 63129 is a standard zip code serving Saint Louis, Saint Louis, Missouri (MO), in St. Louis County, United States. It has an estimated population of 52,718 with a median household income of $65,861. The area falls within the America/Chicago timezone.

Median Household Income vs. National Average

$0 National: $37,585 $150K+ $65,861

Location

Country
🇺🇸 United States
State / Province
Missouri (MO)
County
St. Louis
City
Saint Louis
Timezone
America/Chicago

Coordinates

Latitude
38.456600
Longitude
-90.328200

Geographic Details

Land Area
20.90 mi²
Water Area
1.96 mi²
Population Density
2523.0 people per mi² (85th percentile)
Bounding Box
38.511421°N, 38.388298°S, -90.274711°E, -90.376841°W

With 52,718 residents spread across 20.90 square miles, this area has a population density of 2523.0 people per square mile.

Demographics

52,718

Population

95th percentile

$65,861

Median Income

80th percentile

$198,000

Median Home Value

70th percentile

20.90 mi²

Land Area

The median household income in 63129 is $65,861, and the median home value is $198,000. This places the area in the top 25% nationally for household income.

Housing

22,125

Total Units

21,112

Occupied Units

95.4%

Occupancy Rate

Nearby ZIP Codes

Other zip codes in Saint Louis, MO.

63101

Saint Louis

 63102

Saint Louis

 63103

Saint Louis

 63104

Saint Louis

 63105

Saint Louis

 63106

Saint Louis

 63107

Saint Louis

 63108

Saint Louis

 63109

Saint Louis

 63110

Saint Louis

Similar ZIP Codes in Missouri

ZIP codes with similar median household income in Missouri.

63010

Arnold

$58,204

 63012

Barnhart

$66,667

 63013

Beaufort

$71,296

 63015

Catawissa

$57,900

 63026

Fenton

$70,132

 63034

Florissant

$72,231

 63043

Maryland Heights

$61,300

 63049

High Ridge

$60,511

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.