County ZIP codes · Illinois · FIPS 17137
Morgan County, IL ZIP Codes
Morgan County, Illinois has 17 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 15 residential and 2 for PO boxes or a single organization. 9 of the residential ones lie mainly in Morgan County and 6 mainly in a neighboring county; 12 cross the county line. Median household income ranges from $58,460 in 62694 (Winchester) to $86,538 in 62638 (Franklin) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Morgan County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $62,875 and $78,750.
They carry 15 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 15 residential ZIP codes in Morgan County
9 ZIP codes lie mainly in Morgan County; 6 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 62650 | Jacksonville | 24,821 | 125 | $66k | $141k | 98% |
| 62692 | Waverly | 2,005 | 23 | $66k | $123k | 52% |
| 62638 | Franklin | 1,485 | 22 | $87k | $130k | 96% |
| 62668 | Murrayville | 1,249 | 18 | $71k | $140k | 87% |
| 62665 | Meredosia | 1,222 | 27 | $47k | $66k | 76% |
| 62628 | Chapin | 917 | 24 | $90k | $114k | 87% |
| 62695 | Woodson | 501 | 609 | $66k | $128k | 100% |
| 62601 | Alexander | 344 | 8 | $110k | $119k | 100% |
| 62631 | Concord | 228 | 18 | $63k | $138k | 100% |
Partly in Morgan County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 62612 | Ashland | 1,398 | 15 | $70k | $113k | 38% |
| 62611 | Arenzville | 1,047 | 14 | $63k | $160k | 34% |
| 62670 | New Berlin | 2,682 | 29 | $79k | $212k | 8% |
| 62621 | Bluffs | 1,133 | 23 | $83k | $101k | 7% |
| 62667 | Modesto | 569 | 16 | $63k | $154k | 5% |
| 62694 | Winchester | 3,006 | 19 | $59k | $102k | 2% |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
12 ZIP codes of Morgan County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Morgan | Elsewhere |
|---|---|---|
| 62650 | 98% | Scott County 2% |
| 62694 | 2% | Scott County 98% |
| 62670 | 8% | Sangamon County 92% |
| 62692 | 52% | Sangamon County 48% |
| 62638 | 96% | Macoupin County 4% |
| 62612 | 38% | Cass County 62% |
| 62668 | 87% | Scott County 13% |
| 62665 | 76% | Scott County 24% |
| 62621 | 7% | Scott County 93% |
| 62611 | 34% | Cass County 66% |
| 62628 | 87% | Scott County 13% |
| 62667 | 5% | Macoupin County 95% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 62651 | Jacksonville |
| 62660 | Literberry |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Morgan County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Morgan County starts with 626.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 626 | Springfield, IL (SCF 625) | 17 | 62 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.