ZIP code 61340
Where is ZIP code 61340?
Mark, Illinois
Putnam County · PO Box only ZIP code
ZIP code 61340 belongs to Mark, Illinois in Putnam County. 61340 is a PO Box only ZIP code: it is used for post office boxes at the Mark post office, not for street addresses. It is in the Central Time zone and uses area codes 779 and 815. About 545 people live in the 61340 area, where the median household income is $78,750. The closest ZIP codes are 61326 (Granville, 1.3 mi east), 61363 (Standard, 3.8 mi east) and 61327 (Hennepin, 4.3 mi southwest).
| ZIP code | 61340 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Mark |
| State | Illinois (IL) |
| County | Putnam County |
| Time zone | Central Time · now |
| Area codes | 779, 815 |
| Coordinates | 41.266, -89.2491 map |
| 3-digit prefix | 613 |
Population and income in 61340
| Population | 545 · lower than 78% of Illinois ZIP codes |
|---|---|
| People per square mile | 625 · higher than 73% of Illinois ZIP codes |
| Median age | 44.4 years · higher than 65% of Illinois ZIP codes |
| Men / women | 61% / 39% |
| Median household income | $78,750 · higher than 56% of Illinois ZIP codes |
| Income per person | $38,583 |
| Below the poverty line | 10% |
| Bachelor’s degree or higher | 21% of adults 25+ |
| Median home value | $160,100 · higher than 54% of Illinois ZIP codes |
| Median rent | $938 a month |
| Housing units | 292 |
| Households | 260 (2.1 people on average) |
| Owners / renters | 74% / 27% |
| Land area | 0.87 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 61340. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 61340
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 61326 | Granville, IL | 1.3 mi E | Standard |
| 61363 | Standard, IL | 3.8 mi E | PO Box only |
| 61327 | Hennepin, IL | 4.3 mi SW | Standard |
| 61362 | Spring Valley, IL | 4.9 mi NE | Standard |
| 61322 | Depue, IL | 5 mi NW | PO Box only |
| 61315 | Bureau, IL | 6.4 mi W | PO Box only |
| 61316 | Cedar Point, IL | 6.5 mi E | PO Box only |
| 61335 | Mc Nabb, IL | 6.5 mi S | Standard |
| 61359 | Seatonville, IL | 6.7 mi N | PO Box only |
| 61320 | Dalzell, IL | 7.4 mi NE | Standard |
| 61354 | Peru, IL | 7.9 mi NE | Standard |
| 61329 | Ladd, IL | 8.2 mi N | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 61340 or measure the distance to another ZIP code.
How to address mail to 61340
PO BOX 123
MARK IL 61340
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (61340-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 61340?
- 61340 is a Mark, Illinois ZIP code.
- What county is 61340 in?
- ZIP code 61340 is in Putnam County, Illinois.
- What time zone is ZIP code 61340 in?
- 61340 is in the Central Time zone (America/Chicago).
- What area code is 61340?
- Phone numbers in ZIP code 61340 use area codes 779 and 815.
- What is the population of ZIP code 61340?
- About 545 people live in ZIP code 61340, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 61340?
- The median household income in 61340 is $78,750 a year, higher than 56% of Illinois ZIP codes.
- Can I use 61340 for a street address?
- No. 61340 is only for PO Boxes. Street addresses in Mark use another ZIP code.
- What ZIP codes are near 61340?
- The nearest ZIP codes to 61340 are 61326 (Granville, 1.3 miles), 61363 (Standard, 3.8 miles), 61327 (Hennepin, 4.3 miles) and 61362 (Spring Valley, 4.9 miles).