ZIP code 61340: Mark, IL
61340 is a ZIP code in Mark, Illinois, mainly in Putnam County, part of the Ottawa, IL micro area. About 545 people live here.
- Population
- 545
- Median household income
- $78,750
- Typical home value
- $160,100ACS median value
- Median rent
- $938gross, per month
- Median age
- 44.4
- Homeowners
- 73.5%of occupied homes
Shaded: ZIP code 61340's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 61340 details
| City | Mark |
|---|---|
| State | Illinois |
| County | Putnam County |
| Metro area | Ottawa, IL |
| Time zone | Central Time (UTC−6), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 0.9 sq mi |
| Population density | 626 people per sq mi |
| Bachelor's degree or higher | 21% of adults 25+ |
| Average commute | 19.2 minutes |
| Center coordinates | 41.26402, -89.25128 |
Median rent in 61340 by bedrooms
| Size | Median gross rent |
|---|---|
| 1 bedroom | $813/mo |
| 2 bedrooms | $996/mo |
| 3 bedrooms | $938/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 61340
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 61326 | Granville, IL | 1.7 mi | 1,953 |
| 61327 | Hennepin, IL | 3.4 mi | 1,442 |
| 61363 | Standard, IL | 3.6 mi | 250 |
| 61322 | Depue, IL | 4.4 mi | 1,530 |
| 61315 | Bureau, IL | 6.2 mi | 264 |
| 61362 | Spring Valley, IL | 6.2 mi | 5,764 |
| 61316 | Cedar Point, IL | 6.4 mi | 256 |
| 61359 | Seatonville, IL | 6.9 mi | 369 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 61340?
A typical home in ZIP code 61340 is worth about $160,100 (ACS median value). The median household here earns $78,750 a year. See what buying here would cost per month, with Illinois average taxes and insurance filled in.
Monthly payment for a $160,100 homeWhat can a $78,750 income afford?Rental property numbers
About ZIP code 61340
What city is ZIP code 61340?
ZIP code 61340 is in Mark, IL, in Putnam County.
What county is ZIP code 61340 in?
61340 is mainly in Putnam County, Illinois.
What is the population of ZIP code 61340?
About 545 people live in ZIP code 61340, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 61340 in?
61340 is in Central Time (UTC−6). It observes daylight saving time.