Zip Code 62221
Belleville, Illinois — St. Clair County
📍 ZIP code 62221 is in Belleville, St. Clair County, Illinois.
ZIP code 62221 is located in Belleville, St. Clair County, Illinois. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 29,281. The area code for ZIP code 62221 is 618.
Quick Answer
Zip code 62221 is in Belleville, Illinois (St. Clair County). It has a population of 29,281, median household income of $78,619, and median home value of $207,200.
Population
29,281
Income
$78,619
Home Value
$207,200
Climate
90°F / 24°F
About Zip Code 62221
Zip code 62221 is located in Belleville, Illinois, within St. Clair County. Home to approximately 29,281 residents, this area sits at an elevation of 482 ft and falls within the Central (CST/CDT) timezone. The local area code is 618.
The median household income is $78,619 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $207,200, and the cost of living index is 82 (18% below the national average of 100).
Summers average a high of 90°F while winters drop to 24°F. The area receives about 43 in of rain and 11 in of snow annually. The zip code covers 34.3 square miles of land area and 0.3 square miles of water.
Key Statistics
29,281
$78,619
$207,200
Central (CST/CDT)
618
482 ft
34.3 sq mi
37.6
12,460
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Compare With Nearby Zip Codes
| Metric | 62221 | 62225 | 62226 | 62220 | 62269 | 62243 |
|---|---|---|---|---|---|---|
| City | Belleville, IL | Belleville, IL | Belleville, IL | Belleville, IL | O Fallon, IL | Belleville, IL |
| Population | 29,281 | 5,606 | 28,543 | 19,391 | 35,536 | 6,522 |
| Median Income | $78,619 | $91,988 | $66,018 | $65,261 | $100,167 | $93,328 |
| Home Value | $207,200 | $0 | $162,500 | $141,300 | $274,200 | $268,200 |
| Cost of Living | 82 | 106 | 67 | 63 | 109 | 99 |
| Median Age | 37.6 | 25.3 | 41.6 | 39.5 | 37.2 | 40.9 |
Cost of Living
100 = National Average. Belleville's cost of living is 18% below the national average.
vs. State Avg
Below
Affordability
Affordable
Income-to-Home
2.6x
Demographics
Zip code 62221 has a population of 29,281 people with a median age of 37.6. There are 12,460 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Belleville (62221) population trend from 2010 to 2024
↑ 80.0%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
90°F
24°F
43 in
11 in
Belleville experiences hot summers with average highs around 90°F. Winters are cool with lows averaging 24°F. The area receives about 11 in of snow per year.
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Housing & Economy
Median Home Value
$207,200
Median Household Income
$78,619
With 12,460 housing units across 34.3 square miles, 62221 has a housing density of 363 units per square mile. The home price-to-income ratio is 2.6x.
Location & Geography
Latitude
38.5117°
Longitude
-89.9024°
Land Area
34.3 sq mi
Water Area
0.3 sq mi
Nearby Zip Codes
Zip codes closest to 62221 (Belleville, IL) with distances:
All Zip Codes in Belleville, IL
Other zip codes serving Belleville:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 62221's $78,619. A way to compare Belleville to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 62221 (Belleville, IL). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Belleville, Illinois?
Belleville, Illinois uses zip code 62221 along with 6 other zip codes.
What county is zip code 62221 in?
Zip code 62221 is located in St. Clair County, Illinois.
What is the population of zip code 62221?
The population of zip code 62221 is 29,281 with a median age of 37.6.
Is 62221 in Belleville, Illinois?
Yes, zip code 62221 is in Belleville, St. Clair County, Illinois. The area code is 618.
Frequently Asked Questions
What city is zip code 62221 in?
Zip code 62221 is in Belleville, Illinois. It is part of St. Clair County and uses the Central (CST/CDT) timezone.
What is zip code 62221?
Zip code 62221 is a U.S. postal code in Belleville, Illinois (St. Clair County). It has a population of 29,281 and covers 34.3 square miles.
What is the population of zip code 62221?
The population of zip code 62221 (Belleville, IL) is 29,281 with a median age of 37.6. There are approximately 12,460 housing units in this area.
What is the median income in zip code 62221?
The median household income in zip code 62221 (Belleville, IL) is $78,619 per year. The cost of living index is 82 (100 = national average).
What is the average home price in zip code 62221?
The median home value in zip code 62221 (Belleville, IL) is $207,200. The cost of living index is 82 compared to the national average of 100.
What county is zip code 62221 in?
Zip code 62221 is located in St. Clair County, Illinois. The primary city is Belleville.
What is the area code for zip code 62221?
Zip code 62221 in Belleville, IL uses area code 618. It is located in the Central (CST/CDT) timezone.
Is zip code 62221 a good place to live?
Zip code 62221 (Belleville, IL) has a cost of living index of 82 (100 = national average), a median household income of $78,619, and median home values of $207,200. The median age is 37.6. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 62221?
The cost of living index for zip code 62221 (Belleville, IL) is 82, where 100 represents the national average. This area is below the national average. Median home value: $207,200.
What schools serve zip code 62221?
Zip code 62221 in Belleville, Illinois is served by the local school district of St. Clair County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.