State profile · MO
Missouri ZIP Codes
Demographics, income, and housing across every ZIP code in Missouri, benchmarked against all 50 states, DC and Puerto Rico.
- 1,022
- ZIP codes
- 5,989,092
- Population
- $66,851
- Avg ZIP income
- 114
- Counties
The verdict
Missouri holds the 7th-most ZIP codes in the country, with an average ZIP household income 7% below the national ZIP median — 41st of 52 states & territories.
- #7
- of 52 by ZIP count
- #41
- of 52 by avg income
- 5,989,092
- people across all ZIPs
- 114
- counties covered
Ranks compare this state against all reporting states using ZIP-level Census ACS 5-Year aggregates.
Missouri (MO) contains 1,022 ZIP codes spread across 114 counties and 889 distinct cities. Together those ZIP areas cover a total population of 5,989,092 based on Census ACS 5-Year Estimates. ZIP-level granularity matters here: Missouri stretches across very different economic zones, and a single state-wide average hides the 10x spread you will see between its highest-income and lowest-income ZIP codes in the table below.
The economic baseline across Missouri ZIPs shows an average median household income of $66,851 and an average home value of $191,126, with a state-wide average median age of 43.1. These averages are computed over every ZIP in MO with reported data, not weighted by population, so small rural ZIPs count the same as metropolitan ones. Use them as a reference line, then drill into the ZIP tables to see where affluent suburbs, rural counties, and urban cores deviate from the state mean.
The largest urban concentrations in Missouri by population are Saint Louis, Kansas City, Springfield, Columbia, Saint Charles, and each city aggregates multiple ZIP codes worth of Census data on its own city page. Every record in this view comes from publicly available federal datasets, primarily the U.S. Census Bureau American Community Survey and USPS ZIP Code Tabulation Area files, with no proprietary scoring, estimation, or editorial adjustment. Click any county to drill down to its ZIP-level detail, or jump directly to a ZIP code to see household income, housing cost, demographic breakdown, nearby ZIPs, and FHFA home-price history for that specific five-digit area.
Largest cities in Missouri
Top 10 cities by population in Missouri
Total resident population aggregated from every ZIP code the Census assigns to each city.
- Saint Louis
Saint Louis, MO
927,396 residents
- Kansas City
Kansas City, MO
545,132 residents
- Springfield 219,752
Springfield, MO
219,752 residents
- Columbia 139,474
Columbia, MO
139,474 residents
- Saint Charles 134,684
Saint Charles, MO
134,684 residents
- Independence 123,373
Independence, MO
123,373 residents
- Florissant 108,973
Florissant, MO
108,973 residents
- Lees Summit 96,149
Lees Summit, MO
96,149 residents
- Ballwin 92,608
Ballwin, MO
92,608 residents
- O Fallon 89,535
O Fallon, MO
89,535 residents
What this shows Population concentrates heavily in the state's largest metros, while most of its 889 cities are far smaller, a pattern the ZIP-level tables below make concrete.
Counties in Missouri
Which cities have the most ZIPs in Missouri?
Side-by-side: Compare 63376 vs 63021 →
ZIP Codes in Missouri
More MO ZIP codes
Official Data Resources
Frequently Asked Questions
How many ZIP codes are in Missouri?▼
What is the average income in Missouri?▼
What are the largest cities in Missouri?▼
Source: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023); USPS ZIP Code Tabulation Areas via the HUD USPS Crosswalk.
Read our methodology to see how this data is sourced, computed, and verified.