Jersey County, IL ZIP codes
There are 8 ZIP codes in Jersey County, IL, in 8 towns, from 62012 to 62063. The largest are 62052 (Jerseyville), 62012 (Brighton) and 62037 (Grafton).
The county seat is Jerseyville.
- ZIP codes
- 8
- Towns
- 8
- County seat
- Jerseyville
- County FIPS
17083- State
- Illinois
- Population
- 21,274
- Median household income
- $80,361
- Land area
- 370 sq mi
- Metro area
- St. Louis
Jersey County ZIP codes by town
- Jerseyville (county seat)
- 62052
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
Map of Jersey County ZIP codes
The ZIP codes of Jersey County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Jersey County in numbers
About 21,274 people live in Jersey County, in 7,965 households, the 55th most populous of Illinois's 102 counties. The median household income is $80,361 a year, 4% below the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $171,900 (35% below the Illinois median), and median gross rent is $846 a month. The median age is 43.7; 22.6% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 27 minutes.
| Population | 21,274 |
|---|---|
| Households | 7,965 |
| Median age | 43.7 |
| Median household income | $80,361 |
| Median home value | $171,900 |
| Median gross rent | $846 |
| Bachelor's degree or higher | 22.6% |
| Mean commute | 27.1 min |
| Population density | 58 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Jersey County
| Town | ZIP codes | Population |
|---|---|---|
| Jerseyville | 1 | 7,445 |
| Brighton | 1 | 2,306 |
| Dow | 1 | 1,088 |
| Grafton | 1 | 734 |
| Elsah | 1 | 708 |
| Medora | 1 | 316 |
| Fieldon | 1 | 200 |
| Fidelity | 1 | 71 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Jersey County.
Not sure you are in Jersey County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Jersey County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
62012 | Brighton , IL | Standard | 6,672 | $92,571 | $168,600 |
62022 | Dow , IL | Standard | 1,088 | $110,703 | $188,300 |
62028 | Elsah , IL | Standard | 1,385 | $72,031 | $170,900 |
62030 | Fidelity , IL | Standard | 71 | $44,063 | $90,800 |
62031 | Fieldon , IL | Standard | 517 | $84,375 | $118,800 |
62037 | Grafton , IL | Standard | 1,814 | $73,454 | $228,500 |
62052 | Jerseyville , IL | Standard | 12,237 | $74,926 | $168,000 |
62063 | Medora , IL | Standard | 795 | $63,295 | $128,600 |
Cite this page
zipcodes.pro. “Jersey County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/il/county/jersey
Underlying data is public domain or openly licensed — sources, vintages and licences.