Residential delivery area · Illinois
ZIP Code 62638: Franklin, IL
ZIP code 62638 uses the postal name Franklin, Illinois and lies mostly in Morgan County (96% of its land) with the rest in Macoupin County (Census 2020 ZIP-county file). About 1,500 people live there (Census Bureau, ACS 2020-2024). Median household income is $86,538 (Census Bureau, ACS 2020-2024). By Census place, 1% of its land lies in Franklin; 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2021
- ZBP2023
- IRS2022
- Town
- Franklin · its only residential ZIP
- County
- Morgan County (96%); Macoupin County (4%)
- Census places
- Franklin
- Micro area
- Jacksonville, IL
- House districts
- IL-15 (96%), IL-13 (4%) 119th Congress, by share of land
- State
- Illinois
- Time zone
- Central
- Land area
- 67.7 sq mi · 22 people per sq mi
Where is ZIP code 62638?
62638 centers on 39.609°, -90.081° and covers 67.7 square miles of land plus 0.2 of water. It borders 6 ZIP codes: 62692, 62668, 62601, 62650, 62674, 62082.
The map draws ZIP code areas only. For the streets inside 62638, 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 62638 compare with the rest of Morgan County?
| Measure | 62638 | In Morgan County | In IL |
|---|---|---|---|
| People (ACS 2020-2024) | 1,485 | 5th of 15 | 762nd of 1,396 |
| Median household income | $87k | 1st of 8 | 316th of 797 |
| Median home value | $130k | 4th of 9 | 628th of 842 |
Its median household income is higher than in 70% of U.S. residential ZIP codes, and it is denser than 27% 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 62638?
The 2020 Census counted 1,305 people in 62638; the ACS, which samples households over 2020-2024, estimates 1,485. Between the 2010 and 2020 censuses its population fell 2.4% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 1,485±251 (90% margin)
- 2020 Census count
- 1,305−2.4% since 2010 (1,337)
- Households
- 526
- Median age
- 45.7
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 62638?
Of the 1,485 people the ACS estimates in 62638, 23.6% are under 18 and 18.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (98.8%).
- Under 1823.6%
- 18 to 6458.2%
- 65 and older18.2%
- White, not Hispanic98.8%
- Hispanic or Latino0.8%
- Other or two or more0.4%
- Black, not Hispanic0.0%
- 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 62638 earn?
Median household income is $86,538 (ACS 2020-2024), the highest of the 8 ranked ZIP codes in Morgan County. It is not measurably different from 2015-2019 ($84,702 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $86,538±$11,194
- Income per person
- $48,124
- Below the poverty line
- 4.5%
- Unemployed (of the labor force)
- 2.6%
- Adults 25+ with a bachelor's degree
- 15.5%
- Adjusted gross income per tax return, 2022
- $78,571630 returns; wages 65% 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 62638?
- Median home value (owners' estimate)
- $130,100
- Median gross rent
- $971
- Homes owned by their occupants
- 75.1%
- Housing units
- 577
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 62638?
19 business establishments had a location in this ZIP code in 2023, the same count as in 2018; the most are in wholesale trade (ZIP Code Business Patterns).
- Wholesale trade4
- Transportation and warehousing3
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 62638?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 62692 | Waverly | 2,005 | $66k | 7.8 mi |
| 62668 | Murrayville | 1,249 | $71k | 9.0 mi |
| 62601 | Alexander | 344 | $110k | 10.0 mi |
| 62650 | Jacksonville | 24,821 | $66k | 11.6 mi |
| 62674 | Palmyra | 1,447 | $55k | 12.0 mi |
| 62082 | Roodhouse | 2,265 | $63k | 15.0 mi |
| 62695 | Woodson | 501 | $66k | 7.6 mi (near) |
| 62667 | Modesto | 569 | $63k | 9.6 mi (near) |
| 62670 | New Berlin | 2,682 | $79k | 13.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.