US ZIP Code
61435

Gerlaw, IL

Warren County  ·  Illinois

● Active
👥 181 Population ↑ 687% since 2019
🎂 25.7 Median Age ↓ 62% since 2019
🎓 47.8% College Grads
▲ 23% above avg
📊 0.0% Unemployment
▼ 100% below avg
ZIP Code Details
ZIP Code61435
CityGerlaw
StateIllinois (IL)
CountyWarren County
Area Code309/861
Elevation732 ft
Latitude40.99561
Longitude-90.568639
TimezoneChicago (DST)
FIPS17187
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 37.0% (67) Female 63.0% (114) ♀

Race & Ethnicity

White: 100%Race
White100.0%

Age Breakdown

5–17
38%
25–44
50%
45–64
12%

Key Indicators

Median Age25.7 yrs ↓ 62% since 2019
Avg Household Size3.55
Below Poverty18.8% ▲ 88% above avg
College Grads47.8% ▲ 23% above avg
Unemployment0.0% ▼ 100% below avg
HS Graduate34 (30.1%)
Some College25 (22.1%)
Bachelors10 (8.8%)
Graduate Degree44 (38.9%)

Education

HS Grad: 30.1%Some College: 22.1%Bachelors: 8.8%Graduate: 38.9%Edu
HS Grad30.1%
Some College22.1%
Bachelors8.8%
Graduate38.9%
Housing & Income

Housing Tenure

Owner: 51%Renter: 49%Tenure
Owner51.0%
Renter49.0%

Home Value Distribution

$50k–100k
46%
$300k–500k
54%

Financials

Total Units71
Vacant Units20
Avg HH Size3.55

Income Distribution

$25k–50k
49%
$150k–200k
24%
Over $200k
27%
Employment & Commute

How People Get to Work

Drove Alone
100%

Commute Time

Under 15 min
30%
15–30 min
32%
30–45 min
39%
Housing Stock

Year Built

1960s–1970s
35%
2000+
65%

Summary

Total Units71
Vacant20
Owner Occupied51.0%
Renter Occupied49.0%
Avg HH Size3.55
Frequently Asked Questions
ZIP code 61435 is in Gerlaw, IL, in Warren County.
ZIP code 61435 is located in Illinois (IL).
ZIP code 61435 is in Warren County, IL.
ZIP 61435 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 61435 is 181 people (ACS 2023).
Income data not available.
Home value data not available.
About ZIP Code 61435

ZIP code 61435 is located in Gerlaw, Illinois, within Warren County. With a population of 181, this is a sparsely populated ZIP code with a young community — the median age is 25.7 years.

The population of 61435 is primarily White (100.00%). Residents are well-educated — 47.8% hold a bachelor's degree or higher, which is above the national average. Poverty affects some residents at 18.8%.

Overall, ZIP code 61435 in Gerlaw, IL is characterized as well-educated, and a young community.