US ZIP Code
61360

Seneca, IL

LaSalle County  ·  Illinois

● Active
👥 3,320 Population ↑ 9% since 2019
💰 $94,137 Median HH Income
▲ 23% above avg ↑ 22% since 2019
🎂 41.8 Median Age ↑ 11% since 2019
🏠 $240,800 Median Home Value
▼ 14% below avg ↑ 43% since 2019
🎓 31.5% College Grads
▼ 19% below avg
📊 2.7% Unemployment
▼ 46% below avg ↓ 73% since 2019
ZIP Code Details
ZIP Code61360
CitySeneca
StateIllinois (IL)
CountyLaSalle County
Area Code815
Elevation659 ft
Latitude41.332589
Longitude-88.600301
TimezoneChicago (DST)
FIPS17099
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 52.7% (1,749) Female 47.3% (1,571) ♀

Race & Ethnicity

White: 89.7%Hispanic: 4.6%Black: 0.8%Other: 4.9%Race
White89.7%
Hispanic4.6%
Black0.8%
Other4.9%

Age Breakdown

Under 5
6%
5–17
19%
18–24
6%
25–44
21%
45–64
31%
65+
10%

Key Indicators

Median Age41.8 yrs ↑ 11% since 2019
Avg Household Size2.60
Below Poverty14.7% ▲ 47% above avg
College Grads31.5% ▼ 19% below avg
Unemployment2.7% ▼ 46% below avg
HS Graduate840 (37.5%)
Some College300 (13.4%)
Associates395 (17.6%)
Bachelors351 (15.7%)
Graduate Degree354 (15.8%)

Education

HS Grad: 37.5%Some College: 13.4%Associates: 17.6%Bachelors: 15.7%Graduate: 15.8%Edu
HS Grad37.5%
Some College13.4%
Associates17.6%
Bachelors15.7%
Graduate15.8%
Housing & Income

Housing Tenure

Owner: 78%Renter: 22%Tenure
Owner78.0%
Renter22.0%

Home Value Distribution

Under $50k
7%
$50k–100k
2%
$100k–150k
12%
$150k–200k
16%
$200k–300k
31%
$300k–500k
31%
Over $500k
3%

Financials

Median HH Income$94,137 ▲ 23% above avg ↑ 22% since 2019
Median Home Value$240,800 ▼ 14% below avg ↑ 43% since 2019
Home/Income Ratio2.6x (nat avg ~3.5x)
Median Rent$1,057/mo ↑ 20% since 2019
Total Units1,319
Vacant Units44
Avg HH Size2.60

Income Distribution

Under $25k
6%
$25k–50k
11%
$50k–75k
20%
$75k–100k
16%
$100k–150k
18%
$150k–200k
10%
Over $200k
19%
Employment & Commute

How People Get to Work

Drove Alone
90%
Walked
5%
Work From Home
5%

Commute Time

Under 15 min
25%
15–30 min
43%
30–45 min
12%
Over 45 min
20%
Housing Stock

Year Built

Before 1940
2%
1940s–1950s
10%
1960s–1970s
10%
1980s–1990s
20%
2000+
57%

Summary

Total Units1,319
Vacant44
Owner Occupied78.0%
Renter Occupied22.0%
Avg HH Size2.60
Frequently Asked Questions
ZIP code 61360 is in Seneca, IL, in LaSalle County.
ZIP code 61360 is located in Illinois (IL).
ZIP code 61360 is in LaSalle County, IL.
ZIP 61360 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 61360 is 3,320 people (ACS 2023).
The median household income in ZIP code 61360 is $94,137 (ACS 2023).
The median home value in ZIP 61360 is $240,800 (ACS 2023).
About ZIP Code 61360

ZIP code 61360 is located in Seneca, Illinois, within LaSalle County. With a population of 3,320, this is a sparsely populated ZIP code with a middle-aged community — the median age is 41.8 years. Economically, 61360 is a middle-income ZIP code: the median household income of $94,137 is above the national average.

Real estate in ZIP code 61360 represents an affordable housing market. The median home value of $240,800 is near the national average. Renters can expect to pay around $1,057 per month in median rent. Homeownership is strong here — 78.0% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 43% since 2019.

The population of 61360 is primarily White (89.73%). Residents are moderately educated — 31.5% hold a bachelor's degree or higher, which is below the national average. Poverty affects some residents at 14.7%. Household income has grown by 22% since 2019.

The unemployment rate in 61360 stands at 2.7%, which is below the national average. As in most parts of the country, driving alone is the dominant commute mode at 82%.

Overall, ZIP code 61360 in Seneca, IL is characterized as middle-income, moderately educated, a middle-aged community, and predominantly owner-occupied. With 3,320 residents, a median household income of $94,137, and a median home value of $240,800, it offers a clear picture of life in this part of Illinois.