US ZIP Code
61340

Mark, IL

Putnam County  ·  Illinois

● Active
👥 497 Population ↑ 89% since 2019
💰 $79,286 Median HH Income
≈ Avg ↑ 12% since 2019
🎂 44.8 Median Age ↓ 5% since 2019
🏠 $153,600 Median Home Value
▼ 45% below avg ↑ 40% since 2019
🎓 40.5% College Grads
≈ Avg
📊 1.5% Unemployment
▼ 69% below avg ↓ 80% since 2019
ZIP Code Details
ZIP Code61340
CityMark
StateIllinois (IL)
CountyPutnam County
Area Code779/815
Elevation659 ft
Latitude41.264025
Longitude-89.251281
TimezoneChicago (DST)
FIPS17155
ZIP TypePO Box
StatusActive
People & Population (ACS 2023)
♂ Male 61.2% (304) Female 38.8% (193) ♀

Race & Ethnicity

White: 92.2%Hispanic: 7.9%Race
White92.2%
Hispanic7.9%

Age Breakdown

Under 5
6%
5–17
18%
18–24
1%
25–44
25%
45–64
27%
65+
10%

Key Indicators

Median Age44.8 yrs ↓ 5% since 2019
Avg Household Size2.04
Below Poverty5.0% ▼ 50% below avg
College Grads40.5% ≈ Avg
Unemployment1.5% ▼ 69% below avg
HS Graduate128 (34.8%)
Some College43 (11.7%)
Associates48 (13%)
Bachelors67 (18.2%)
Graduate Degree82 (22.3%)

Education

HS Grad: 34.8%Some College: 11.7%Associates: 13%Bachelors: 18.2%Graduate: 22.3%Edu
HS Grad34.8%
Some College11.7%
Associates13.0%
Bachelors18.2%
Graduate22.3%
Housing & Income

Housing Tenure

Owner: 75%Renter: 25%Tenure
Owner75.0%
Renter25.0%

Home Value Distribution

Under $50k
4%
$50k–100k
21%
$100k–150k
22%
$150k–200k
20%
$200k–300k
23%
$300k–500k
9%

Financials

Median HH Income$79,286 ≈ Avg ↑ 12% since 2019
Median Home Value$153,600 ▼ 45% below avg ↑ 40% since 2019
Home/Income Ratio1.9x (nat avg ~3.5x)
Median Rent$856/mo ↑ 12% since 2019
Total Units275
Vacant Units31
Avg HH Size2.04

Income Distribution

Under $25k
8%
$25k–50k
16%
$50k–75k
16%
$75k–100k
20%
$100k–150k
21%
$150k–200k
14%
Over $200k
6%
Employment & Commute

How People Get to Work

Drove Alone
94%
Work From Home
6%

Commute Time

Under 15 min
27%
15–30 min
53%
30–45 min
7%
Over 45 min
13%
Housing Stock

Year Built

Before 1940
5%
1940s–1950s
6%
1960s–1970s
14%
1980s–1990s
15%
2000+
60%

Summary

Total Units275
Vacant31
Owner Occupied75.0%
Renter Occupied25.0%
Avg HH Size2.04
Frequently Asked Questions
ZIP code 61340 is in Mark, IL, in Putnam County.
ZIP code 61340 is located in Illinois (IL).
ZIP code 61340 is in Putnam County, IL.
ZIP 61340 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 61340 is 497 people (ACS 2023).
The median household income in ZIP code 61340 is $79,286 (ACS 2023).
The median home value in ZIP 61340 is $153,600 (ACS 2023).
About ZIP Code 61340

ZIP code 61340 is located in Mark, Illinois, within Putnam County. With a population of 497, this is a sparsely populated ZIP code with a middle-aged community — the median age is 44.8 years. Economically, 61340 is a middle-income ZIP code: the median household income of $79,286 is near the national average.

Real estate in ZIP code 61340 represents an affordable housing market. The median home value of $153,600 is below the national average. Renters can expect to pay around $856 per month in median rent. Homeownership is strong here — 75.0% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 40% since 2019.

The population of 61340 is primarily White (92.15%). Residents are well-educated — 40.5% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 5.0%. Household income has grown by 12% since 2019.

The unemployment rate in 61340 stands at 1.5%, which is well below the national average. As in most parts of the country, driving alone is the dominant commute mode at 84%.

Overall, ZIP code 61340 in Mark, IL is characterized as middle-income, well-educated, a middle-aged community, and predominantly owner-occupied. With 497 residents, a median household income of $79,286, and a median home value of $153,600, it offers a clear picture of life in this part of Illinois.