Zip Code 62864
Mount Vernon, Illinois — Jefferson County
📍 ZIP code 62864 is in Mount Vernon, Jefferson County, Illinois.
ZIP code 62864 is located in Mount Vernon, Jefferson County, Illinois. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 23,061. The area code for ZIP code 62864 is 618.
Quick Answer
Zip code 62864 is in Mount Vernon, Illinois (Jefferson County). It has a population of 23,061, median household income of $58,082, and median home value of $117,600.
Population
23,061
Income
$58,082
Home Value
$117,600
Climate
86°F / 22°F
About Zip Code 62864
Zip code 62864 is located in Mount Vernon, Illinois, within Jefferson County. Home to approximately 23,061 residents, this area sits at an elevation of 600 ft and falls within the Central (CST/CDT) timezone. The local area code is 618.
The median household income is $58,082 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $117,600, and the cost of living index is 60 (40% below the national average of 100).
Summers average a high of 86°F while winters drop to 22°F. The area receives about 45 in of rain and 10 in of snow annually. The zip code covers 145.1 square miles of land area and 0.6 square miles of water.
Key Statistics
23,061
$58,082
$117,600
Central (CST/CDT)
618
600 ft
145.1 sq mi
41
11,105
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Compare With Nearby Zip Codes
| Metric | 62864 | 62872 | 62830 | 62898 | 62889 | 62816 |
|---|---|---|---|---|---|---|
| City | Mount Vernon, IL | Belle Rive, IL | Dix, IL | Woodlawn, IL | Dix, IL | Bonnie, IL |
| Population | 23,061 | 1,142 | 1,369 | 2,018 | 1,053 | 1,156 |
| Median Income | $58,082 | $53,698 | $61,296 | $74,297 | $68,077 | $55,337 |
| Home Value | $117,600 | $107,600 | $137,300 | $150,000 | $147,500 | $86,300 |
| Cost of Living | 60 | 60 | 60 | 79 | 69 | 60 |
| Median Age | 41 | 39.8 | 41 | 37.4 | 49.9 | 49.9 |
Cost of Living
100 = National Average. Mount Vernon's cost of living is 40% below the national average.
vs. State Avg
Below
Affordability
Very Affordable
Income-to-Home
2.0x
Demographics
Zip code 62864 has a population of 23,061 people with a median age of 41. There are 11,105 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Mount Vernon (62864) population trend from 2010 to 2024
↓ -28.2%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
86°F
22°F
45 in
10 in
Mount Vernon experiences warm summers with average highs around 86°F. Winters are cool with lows averaging 22°F. The area receives about 10 in of snow per year.
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Housing & Economy
Median Home Value
$117,600
Median Household Income
$58,082
With 11,105 housing units across 145.1 square miles, 62864 has a housing density of 77 units per square mile. The home price-to-income ratio is 2.0x.
Location & Geography
Latitude
38.3305°
Longitude
-88.9024°
Land Area
145.1 sq mi
Water Area
0.6 sq mi
Nearby Zip Codes
Zip codes closest to 62864 (Mount Vernon, IL) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 62864's $58,082. A way to compare Mount Vernon 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 62864 (Mount Vernon, 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 Mount Vernon, Illinois?
Mount Vernon, Illinois uses zip code 62864.
What county is zip code 62864 in?
Zip code 62864 is located in Jefferson County, Illinois.
What is the population of zip code 62864?
The population of zip code 62864 is 23,061 with a median age of 41.
Is 62864 in Mount Vernon, Illinois?
Yes, zip code 62864 is in Mount Vernon, Jefferson County, Illinois. The area code is 618.
Frequently Asked Questions
What city is zip code 62864 in?
Zip code 62864 is in Mount Vernon, Illinois. It is part of Jefferson County and uses the Central (CST/CDT) timezone.
What is zip code 62864?
Zip code 62864 is a U.S. postal code in Mount Vernon, Illinois (Jefferson County). It has a population of 23,061 and covers 145.1 square miles.
What is the population of zip code 62864?
The population of zip code 62864 (Mount Vernon, IL) is 23,061 with a median age of 41. There are approximately 11,105 housing units in this area.
What is the median income in zip code 62864?
The median household income in zip code 62864 (Mount Vernon, IL) is $58,082 per year. The cost of living index is 60 (100 = national average).
What is the average home price in zip code 62864?
The median home value in zip code 62864 (Mount Vernon, IL) is $117,600. The cost of living index is 60 compared to the national average of 100.
What county is zip code 62864 in?
Zip code 62864 is located in Jefferson County, Illinois. The primary city is Mount Vernon.
What is the area code for zip code 62864?
Zip code 62864 in Mount Vernon, IL uses area code 618. It is located in the Central (CST/CDT) timezone.
Is zip code 62864 a good place to live?
Zip code 62864 (Mount Vernon, IL) has a cost of living index of 60 (100 = national average), a median household income of $58,082, and median home values of $117,600. The median age is 41. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 62864?
The cost of living index for zip code 62864 (Mount Vernon, IL) is 60, where 100 represents the national average. This area is below the national average. Median home value: $117,600.
What schools serve zip code 62864?
Zip code 62864 in Mount Vernon, Illinois is served by the local school district of Jefferson 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.