Earth City, MO · standard
ZIP Code 63045
St. Louis County, Missouri - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 3
- 1/sq mi Low-density area
National ZIP placement
Earth City has 3 residents, placing it among the least populous of the 33,099 US ZIP codes with a reported population, at 1 people per square mile.
Source: USPS ZIP record + U.S. Census Bureau ZIP population. Rank compares ZIP 63045 against every US ZIP with a reported population; income/home-value percentiles are not available for this ZIP.
ZIP code 63045 is a sparsely populated ZIP (a standard USPS delivery area) in Earth City, St. Louis County, Missouri, home to just 3 residents across 4.3 square miles, a density of 1 people per square mile, in the Chicago time zone.
With fewer than 100 residents on file, this page keeps the Census figures below and skips the multi-chart expansion used on larger ZIPs. Small-N ACS estimates are already unstable enough without padding the page around them.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 63045, Earth City, MO · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
3
Population
4.3
Area (sq mi)
1
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 63045?
-
Median Age
-
Male
-
Female
-
Foreign-Born
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
0
Total Housing Units
0
Occupied Units
0
Vacant Units
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 276 business establishments in ZIP 63045, employing approximately 16,570 people with a combined annual payroll of $1,068,415,000.
276
Businesses
16,570
Employees
$1.1B
Annual Payroll
14
Industry Sectors
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 63045 vs 63044 →
Related Areas
Frequently Asked Questions
What county is ZIP code 63045 in?
ZIP code 63045 (Earth City) is located in St. Louis County, Missouri. St. Louis County contains multiple ZIP codes, see the full list at /counties/st-louis-mo-29189.
What is the population of ZIP code 63045?
ZIP code 63045 in Earth City, MO has a population of 3 according to the Census Bureau ACS 2023 estimates.
Take this with you
What to do with ZIP 63045's numbers, next.
- See how ZIP 63045 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.