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ZIP Code 63123, Missouri

ZIP Code 63123 profile, demographic data, and geographic information.

ZCTA5 63123 is a 5-digit ZIP Code area located in St. Louis city / St. Louis County, Missouri. As of official census estimates, it has a reported population of 49,077. The land area covers 12.45 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 49,077 ±1,858 2020-2024 / Census ACS 5-Year 2024
Median Age 40.9 yrs ±1 2020-2024 / Census ACS 5-Year 2024
Total Households 21,755 ±851 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 23,178 ±784
Occupied Housing Units 21,755 ±851
Vacant Housing Units 1,423 ±366
Median Home Value $219,400 ±$4,585
Median Gross Rent $1,006 ±$46
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $77,055 ±$3,496
Per Capita Income $44,373 ±$2,363
Poverty Rate 7.9% ±1.4%
Population Below Poverty Level 3,840 ±695
Unemployment Rate 2.2% ±0.8%
Civilian Labor Force, Employed 27,850 ±1,379
Broadband Internet Rate 93.3% ±1.3%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby 06-08 ST. LOUIS, MO
Alternative School Nearby 06-12 Cahokia, IL
Regular School Nearby PK-06 ST LOUIS, MO
Regular School Nearby 09-12 ST LOUIS, MO
Regular School Nearby PK-05 ST LOUIS, MO
Regular School Nearby KG-05 IMPERIAL, MO
Regular School Nearby 06-08 BARNHART, MO
Regular School Nearby PK-06 ST LOUIS, MO
Regular School Nearby PK-02 ST. LOUIS, MO
Regular School Nearby PK-04 ST.LOUIS, MO
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 10 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
Aesthetics Institute
College Vocational 0.5 mi away 50 Grasso Plaza, St. Louis, MO, 63123-3107
3149155811
GRANT'S VIEW BRANCH
Library 1.3 mi away 9700 MUSICK ROAD, ST. LOUIS, MO, 63123
(314) 994-3300
St. Louis Med Tech
College Vocational 0.5 mi away 59 Grasso Plaza, St. Louis, MO, 63123-3107
3147236331
WEBER ROAD BRANCH
Library 1.7 mi away 4444 WEBER RD, ST. LOUIS, MO, 63123
(314) 994-3300
Skin Institute
College Vocational 2.4 mi away 25 Ronnie's Plaza, Saint Louis, MO, 63126
3148432222
CITY OF WEBSTER GROVES MUNICIPAL LIBRARY
Library 3.3 mi away 301 E LOCKWOOD AVE, WEBSTER GROVES, MO, 63119
(314) 961-3784
Kenrick Glennon Seminary
College 2.6 mi away 5200 Glennon Dr, Saint Louis, MO, 63119-4399
3147926100
BUDER BRANCH
Library 3.5 mi away 4401 HAMPTON AVE, ST. LOUIS, MO, 63109
(314) 352-2900
Webster University
College 3.0 mi away 470 E Lockwood Ave., Saint Louis, MO, 63119-3194
3149686900
OAK BEND BRANCH
Library 3.7 mi away 842 S HOLMES AVE, ST. LOUIS, MO, 63122
(314) 994-3300
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at ST LOUIS SCI CTR, MO US, located 6.5 miles from ZCTA5 63123. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 40.6° 24.6° 32.6° 2.71" —
February 46.2° 28.4° 37.3° 2.28" —
March 56.3° 37.8° 47.0° 3.61" —
April 67.7° 48.0° 57.8° 4.83" —
May 77.3° 58.6° 67.9° 4.90" —
June 86.0° 67.4° 76.7° 4.74" —
July 89.6° 71.6° 80.6° 4.21" —
August 88.5° 69.9° 79.2° 3.75" —
September 81.5° 61.7° 71.6° 3.41" —
October 69.7° 50.0° 59.9° 3.20" —
November 56.2° 39.0° 47.6° 3.69" —
December 45.0° 29.9° 37.4° 2.58" —
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Nearby Cities & Communities

Listing adjacent communities by spatial proximity (miles) Proximity discovery
Community Name Classification Distance Population
Affton CDP CDP 0.2 mi —
Lakeshire city City 0.8 mi —
St. George CDP CDP 1.1 mi —
Wilbur Park village Village 1.1 mi —
Marlborough village Village 1.6 mi —
Grantwood Village town Town 1.7 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 63123. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.