US ZIP Code
62427

Flat Rock, IL

Crawford County  ·  Illinois

● Active
👥 1,905 Population ↑ 7% since 2019
💰 $74,167 Median HH Income
≈ Avg ↑ 39% since 2019
🎂 40.8 Median Age ↓ 4% since 2019
🏠 $105,400 Median Home Value
▼ 62% below avg ↑ 20% since 2019
🎓 34.4% College Grads
▼ 11% below avg
📊 10.0% Unemployment
▲ 104% above avg ↓ 17% since 2019
ZIP Code Details
ZIP Code62427
CityFlat Rock
StateIllinois (IL)
CountyCrawford County
Area Code618/730
Elevation514 ft
Latitude38.873127
Longitude-87.649864
TimezoneChicago (DST)
FIPS17033
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 43.8% (834) Female 56.2% (1,071) ♀

Race & Ethnicity

White: 98.4%Asian: 0.8%Other: 0.7%Race
White98.4%
Asian0.8%
Other0.7%

Age Breakdown

Under 5
6%
5–17
19%
18–24
6%
25–44
25%
45–64
22%
65+
9%

Key Indicators

Median Age40.8 yrs ↓ 4% since 2019
Avg Household Size2.60
Below Poverty16.8% ▲ 68% above avg
College Grads34.4% ▼ 11% below avg
Unemployment10.0% ▲ 104% above avg
No HS Diploma1 (0.1%)
HS Graduate384 (31.8%)
Some College207 (17.1%)
Associates201 (16.6%)
Bachelors289 (23.9%)
Graduate Degree126 (10.4%)

Education

No HS: 0.1%HS Grad: 31.8%Some College: 17.1%Associates: 16.6%Bachelors: 23.9%Graduate: 10.4%Edu
No HS0.1%
HS Grad31.8%
Some College17.1%
Associates16.6%
Bachelors23.9%
Graduate10.4%
Housing & Income

Housing Tenure

Owner: 93.2%Renter: 6.8%Tenure
Owner93.2%
Renter6.8%

Home Value Distribution

Under $50k
25%
$50k–100k
24%
$100k–150k
8%
$150k–200k
8%
$200k–300k
26%
$300k–500k
7%
Over $500k
3%

Financials

Median HH Income$74,167 ≈ Avg ↑ 39% since 2019
Median Home Value$105,400 ▼ 62% below avg ↑ 20% since 2019
Home/Income Ratio1.4x (nat avg ~3.5x)
Total Units778
Vacant Units44
Avg HH Size2.60

Income Distribution

Under $25k
16%
$25k–50k
17%
$50k–75k
16%
$75k–100k
9%
$100k–150k
24%
$150k–200k
17%
Over $200k
1%
Employment & Commute

How People Get to Work

Drove Alone
94%
Public Transit
1%
Walked
3%
Work From Home
2%

Commute Time

Under 15 min
26%
15–30 min
47%
30–45 min
17%
Over 45 min
10%
Housing Stock

Year Built

Before 1940
3%
1940s–1950s
5%
1960s–1970s
14%
1980s–1990s
21%
2000+
58%

Summary

Total Units778
Vacant44
Owner Occupied93.2%
Renter Occupied6.8%
Avg HH Size2.60
Frequently Asked Questions
ZIP code 62427 is in Flat Rock, IL, in Crawford County.
ZIP code 62427 is located in Illinois (IL).
ZIP code 62427 is in Crawford County, IL.
ZIP 62427 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 62427 is 1,905 people (ACS 2023).
The median household income in ZIP code 62427 is $74,167 (ACS 2023).
The median home value in ZIP 62427 is $105,400 (ACS 2023).
About ZIP Code 62427

ZIP code 62427 is located in Flat Rock, Illinois, within Crawford County. With a population of 1,905, this is a sparsely populated ZIP code with a middle-aged community — the median age is 40.8 years. Economically, 62427 is a solidly middle-class ZIP code: the median household income of $74,167 is near the national average.

Real estate in ZIP code 62427 represents one of the more affordable housing markets in the country. The median home value of $105,400 is well below the national average. Homeownership is strong here — 93.2% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 20% since 2019.

The population of 62427 is primarily White (98.43%). Residents are moderately educated — 34.4% hold a bachelor's degree or higher, which is near the national average. Poverty affects some residents at 16.8%. Household income has grown by 39% since 2019.

The unemployment rate in 62427 stands at 10.0%, which is more than double the national average. As in most parts of the country, driving alone is the dominant commute mode at 81%.

Overall, ZIP code 62427 in Flat Rock, IL is characterized as solidly middle-class, moderately educated, a middle-aged community, and predominantly owner-occupied. With 1,905 residents, a median household income of $74,167, and a median home value of $105,400, it offers a clear picture of life in this part of Illinois.