Weather right now
Asking the National Weather Service…
Where 62420 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 62420 into a pocket calculator and turn it upside down: OZhZg — not quite a word, sorry.
- ➕ As a number, 62,420 = 2 × 2 × 5 × 3121. Its digits add up to 14, a total 1,416 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1111001111010100 - 🏠 Its numerical neighbours: 62419 (Calhoun, IL, 46 mi away) and 62421 (Claremont, IL, 37 mi away).
- 🔄 Backwards, 62420 becomes 02426, which is not a ZIP code at all.
- 👥 29 other ZIP codes are made of exactly the same digits (02462, 02642, 04226, 04262, 04622, 06242, …). The farthest-flung twin is 04622 in Cherryfield, ME, 1,092 miles away.
- 🧭 Farther north than 51% of all ZIP codes, and farther west than 50%.
- 🎯565 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 62420 and you would come out at 39.29°S, 92.00°E — 1,275 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 56m of daylight. Shortest: 9h 24m.
- 📏 At 123.2 square miles of land, 62420 is bigger than 82% of ZIP codes — room for about 94 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 4,299This ZIP4,299 |
|---|---|
| Households | 1,853This ZIP1,853 |
| Housing units | 2,092This ZIP2,092 |
| Median age | 39.4This ZIP39.4Illinois39.0US 38.9 |
| Median household income | $65,771This ZIP$65,771Illinois$83,390US $80,734 |
| Median home value | $140,400This ZIP$140,400Illinois$263,300US $332,700 |
| Median gross rent | $701This ZIP$701Illinois$1,274US $1,413 |
| Bachelor's degree or higher | 18.6%This ZIP18.6% |
| Mean commute | 28.2 minThis ZIP28.2 min |
| Population density | 34.9 / sq miThis ZIP34.9 / sq mi |
Business and tax activity
| Business establishments | 115This ZIP115 |
|---|---|
| Employees | 1,162This ZIP1,162 |
| Annual payroll | $50,503,000This ZIP$50,503,000 |
| Tax returns filed | 1,930This ZIP1,930 |
| Total adjusted gross income | $125,382,000This ZIP$125,382,000 |
Land area
| Land area | 123.21 sq miThis ZIP123.21 sq mi |
|---|---|
| Water area | 0.19 sq miThis ZIP0.19 sq mi |
Counties 62420 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Clark County | 56.9% |
| Cumberland County | 36.1% |
| Coles County | 5.5% |
| Jasper County | 1.6% |
Other place names in 62420
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 62420
| ZIP | City | Distance |
|---|---|---|
62428 | Greenup, IL | 7.6 mi |
62442 | Martinsville, IL | 7.8 mi |
62481 | Yale, IL | 11.2 mi |
62474 | Westfield, IL | 11.9 mi |
62432 | Hidalgo, IL | 13.1 mi |
62413 | Annapolis, IL | 13.4 mi |
62435 | Janesville, IL | 14.5 mi |
62468 | Toledo, IL | 14.6 mi |
62478 | West York, IL | 15.5 mi |
62436 | Jewett, IL | 15.6 mi |
Find every ZIP code within 10 miles of 62420 →
Questions about this ZIP code
Where is ZIP code 62420?
62420 is in Casey, Illinois, in Clark County. Its published point location is 39.2870, -87.9986.
What county is 62420 in?
62420 spans 4 counties: Clark County, Cumberland County, Coles County and Jasper County. Most of it falls in Clark County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 62420?
Casey uses area code 217, from NANPA's telephone records.
What time zone is 62420 in?
62420 uses America/Chicago.
How many people live in 62420?
About 4,299 people live in ZIP code 62420, in 1,853 households, at 34.9 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 62420?
$65,771 a year, against $83,390 across Illinois.
What ZIP codes are near 62420?
The closest are 62428 (7.6 mi), 62442 (7.8 mi), 62481 (11.2 mi), 62474 (11.9 mi) and 62432 (13.1 mi).
Is 62420 a PO Box ZIP code?
62420 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “62420 ZIP Code — Casey, Illinois (Clark County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/62420
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/62420.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.