Residential delivery area · Illinois
ZIP Code 62203: East Saint Louis, IL
ZIP code 62203 uses the postal name East Saint Louis, Illinois and lies entirely in St. Clair County (Census 2020 ZIP-county file). About 5,500 people live there (Census Bureau, ACS 2020-2024), the 4th most populous of East Saint Louis's 6 residential ZIP codes. Median household income is $42,111 (Census Bureau, ACS 2020-2024). By Census place, its land lies in East St. Louis (45%), Centreville (19%), Caseyville (9%) and Washington Park (7%), and under 1% in smaller places; 20% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2015
- ZBP2023
- IRS2022
- Town
- East Saint Louis · 6 residential ZIPs
- County
- St. Clair County
- Census places
- East St. Louis (45%); Centreville (19%); Caseyville (9%); Washington Park (7%)
- Metro area
- St. Louis, MO-IL
- House district
- IL-13 119th Congress
- State
- Illinois
- Time zone
- Central
- Land area
- 5.6 sq mi · 967 people per sq mi
- PO Box ZIPs
- 62202 also use the name East Saint Louis
Where is ZIP code 62203?
62203 centers on 38.602°, -90.076° and covers 5.6 square miles of land plus 0.0 of water. It borders 5 ZIP codes: 62204, 62205, 62208, 62232, 62223.
The map draws ZIP code areas only. For the streets inside 62203, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 62203 compare with the rest of East Saint Louis?
| Measure | 62203 | In East Saint Louis | In St. Clair County | In IL |
|---|---|---|---|---|
| People (ACS 2020-2024) | 5,465 | 4th of 6 | 19th of 34 | 461st of 1,396 |
| Median household income | $42k | not ranked | not ranked | not ranked |
| Median home value | $69k | 1st of 5 | 21st of 25 | 832nd of 842 |
62203's median household income is not ranked: its 90% margin of error (±$14,180) is more than a quarter of the figure ($42,111). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 78% of U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 62203?
The 2020 Census counted 6,344 people in 62203; the ACS, which samples households over 2020-2024, estimates 5,465. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 5,465±1,100 (90% margin)
- 2020 Census count
- 6,344
- Households
- 1,843
- Median age
- 43.0
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 62203?
Of the 5,465 people the ACS estimates in 62203, 12.3% are under 18 and 23.6% are 65 or older. The largest group by race and Hispanic origin is Black (not Hispanic) (92.7%).
- Under 1812.3%
- 18 to 6464.1%
- 65 and older23.6%
- Black, not Hispanic92.7%
- White, not Hispanic5.7%
- Other or two or more1.6%
- Hispanic or Latino0.0%
- Asian, not Hispanic0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 62203 earn?
Median household income is $42,111 (ACS 2020-2024).
- Median household income
- $42,111±$14,180
- Income per person
- $25,390
- Below the poverty line
- 24.3%
- Unemployed (of the labor force)
- 15.5%
- Adults 25+ with a bachelor's degree
- 15.3%
- Adjusted gross income per tax return, 2022
- $36,5592,350 returns; wages 71% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 62203?
- Median home value (owners' estimate)
- $68,700
- Median gross rent
- $1,050
- Homes owned by their occupants
- 66.6%
- Housing units
- 2,814
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 62203?
62 business establishments had a location in this ZIP code in 2023, 5 more than in 2018; the most are in other services (except public administration) (ZIP Code Business Patterns).
- Other services (except public administration)14
- Retail trade12
- Health care and social assistance8
- Transportation and warehousing6
- Administrative and support and waste management and remediation services4
- Construction3
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 62203?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 62204 | East Saint Louis | 4,055 | $35k | 2.2 mi |
| 62205 | East Saint Louis | 6,459 | $46k | 2.3 mi |
| 62208 | Fairview Heights | 16,821 | $80k | 3.9 mi |
| 62232 | Caseyville | 7,063 | $64k | 4.4 mi |
| 62223 | Belleville | 16,269 | $74k | 4.6 mi |
| 62207 | East Saint Louis | 6,984 | $30k | 3.0 mi (near) |
| 62201 | East Saint Louis | 4,921 | $27k | 4.2 mi (near) |
| 62206 | East Saint Louis | 12,959 | $34k | 5.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.