Residential delivery area · Illinois
ZIP Code 62864: Mount Vernon, IL
ZIP code 62864 uses the postal name Mount Vernon, Illinois and lies entirely in Jefferson County (Census 2020 ZIP-county file). About 23,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $60,451 (Census Bureau, ACS 2020-2024). By Census place, 10% of its land lies in Mount Vernon; 90% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Mount Vernon · its only residential ZIP
- County
- Jefferson County
- Census places
- Mount Vernon
- Micro area
- Mount Vernon, IL
- House district
- IL-12 119th Congress
- State
- Illinois
- Time zone
- Central
- Land area
- 143.0 sq mi · 159 people per sq mi
Where is ZIP code 62864?
62864 centers on 38.331°, -88.902° and covers 143.0 square miles of land plus 0.6 of water. It borders 7 ZIP codes: 62872, 62830, 62898, 62889, 62814, 62816, 62894.
The map draws ZIP code areas only. For the streets inside 62864, 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 62864 compare with the rest of Jefferson County?
| Measure | 62864 | In Jefferson County | In IL |
|---|---|---|---|
| People (ACS 2020-2024) | 22,779 | 1st of 17 | 215th of 1,396 |
| Median household income | $61k | 4th of 8 | 658th of 797 |
| Median home value | $125k | 4th of 8 | 648th of 842 |
Its median household income is higher than in 30% of U.S. residential ZIP codes, and it is denser than 60% of all 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 62864?
The 2020 Census counted 23,327 people in 62864; the ACS, which samples households over 2020-2024, estimates 22,779. Between the 2010 and 2020 censuses its population fell 3.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 22,779
- 2020 Census count
- 23,327−3.2% since 2010 (24,108)
- Households
- 9,680
- Median age
- 41.2
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 62864?
Of the 22,779 people the ACS estimates in 62864, 22.3% are under 18 and 20.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (82.4%).
- Under 1822.3%
- 18 to 6456.8%
- 65 and older20.8%
- White, not Hispanic82.4%
- Black, not Hispanic7.2%
- Other or two or more6.2%
- Hispanic or Latino3.0%
- Asian, not Hispanic1.2%
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 62864 earn?
Median household income is $60,451 (ACS 2020-2024), the 4th highest of the 8 ranked ZIP codes in Jefferson County. It is not measurably different from 2015-2019 ($57,677 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $60,451
- Income per person
- $34,622
- Below the poverty line
- 13.9%
- Unemployed (of the labor force)
- 6.0%
- Adults 25+ with a bachelor's degree
- 20.1%
- Adjusted gross income per tax return, 2022
- $65,31910,450 returns; wages 64% 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 62864?
FHFA's house price index for 62864, built from repeat sales and appraisals of the same homes, rose 59% from 2015 to 2025 and rose 48% from 2020 to 2025, and moved +3.3% in 2025.
- Median home value (owners' estimate)
- $124,800
- Median gross rent
- $901
- Homes owned by their occupants
- 66.2%
- Housing units
- 11,122
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 62864?
752 business establishments had a location in this ZIP code in 2023, 53 fewer than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade129
- Health care and social assistance127
- Other services (except public administration)90
- Accommodation and food services79
- Finance and insurance52
- Professional, scientific, and technical services51
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 62864?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 62872 | Opdyke | 1,153 | $62k | 6.9 mi |
| 62830 | Dix | 1,416 | $62k | 8.6 mi |
| 62898 | Woodlawn | 1,968 | $74k | 8.7 mi |
| 62889 | Texico | 1,066 | $70k | 9.7 mi |
| 62814 | Bluford | 1,668 | $60k | 9.8 mi |
| 62816 | Bonnie | 1,133 | $53k | 9.8 mi |
| 62894 | Waltonville | 782 | $84k | 11.2 mi |
| 62893 | Walnut Hill | 926 | $59k | 11.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.