US ZIP Code
62951

Johnston City, IL

Williamson County  ·  Illinois

● Active
👥 5,381 Population ↑ 17% since 2019
💰 $49,694 Median HH Income
▼ 35% below avg ↑ 17% since 2019
🎂 51.4 Median Age ↑ 11% since 2019
🏠 $89,600 Median Home Value
▼ 68% below avg ↑ 28% since 2019
🎓 30.5% College Grads
▼ 21% below avg
📊 5.6% Unemployment
▲ 14% above avg ↓ 9% since 2019
ZIP Code Details
ZIP Code62951
CityJohnston City
StateIllinois (IL)
CountyWilliamson County
Area Code618/730
Elevation470 ft
Latitude37.825691
Longitude-88.927343
TimezoneChicago (DST)
FIPS17199
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 50.4% (2,710) Female 49.6% (2,671) ♀

Race & Ethnicity

White: 92%Hispanic: 2.2%Black: 0.2%Asian: 2.2%Other: 3%Race
White92.0%
Hispanic2.2%
Black0.2%
Asian2.2%
Other3.0%

Age Breakdown

Under 5
3%
5–17
13%
18–24
9%
25–44
19%
45–64
34%
65+
8%

Key Indicators

Median Age51.4 yrs ↑ 11% since 2019
Avg Household Size2.14
Below Poverty15.4% ▲ 54% above avg
College Grads30.5% ▼ 21% below avg
Unemployment5.6% ▲ 14% above avg
No HS Diploma169 (4.6%)
HS Graduate933 (25.1%)
Some College606 (16.3%)
Associates869 (23.4%)
Bachelors610 (16.4%)
Graduate Degree523 (14.1%)

Education

No HS: 4.6%HS Grad: 25.1%Some College: 16.3%Associates: 23.4%Bachelors: 16.4%Graduate: 14.1%Edu
No HS4.6%
HS Grad25.1%
Some College16.3%
Associates23.4%
Bachelors16.4%
Graduate14.1%
Housing & Income

Housing Tenure

Owner: 83%Renter: 17%Tenure
Owner83.0%
Renter17.0%

Home Value Distribution

Under $50k
12%
$50k–100k
43%
$100k–150k
27%
$150k–200k
11%
$200k–300k
4%
$300k–500k
3%
Over $500k
1%

Financials

Median HH Income$49,694 ▼ 35% below avg ↑ 17% since 2019
Median Home Value$89,600 ▼ 68% below avg ↑ 28% since 2019
Home/Income Ratio1.8x (nat avg ~3.5x)
Median Rent$854/mo ↑ 61% since 2019
Total Units2,705
Vacant Units205
Avg HH Size2.14

Income Distribution

Under $25k
19%
$25k–50k
28%
$50k–75k
12%
$75k–100k
14%
$100k–150k
21%
$150k–200k
3%
Over $200k
3%
Employment & Commute

How People Get to Work

Drove Alone
95%
Public Transit
2%
Work From Home
3%

Commute Time

Under 15 min
53%
15–30 min
23%
30–45 min
17%
Over 45 min
7%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
8%
1960s–1970s
14%
1980s–1990s
14%
2000+
62%

Summary

Total Units2,705
Vacant205
Owner Occupied83.0%
Renter Occupied17.0%
Avg HH Size2.14
Frequently Asked Questions
ZIP code 62951 is in Johnston City, IL, in Williamson County.
ZIP code 62951 is located in Illinois (IL).
ZIP code 62951 is in Williamson County, IL.
ZIP 62951 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 62951 is 5,381 people (ACS 2023).
The median household income in ZIP code 62951 is $49,694 (ACS 2023).
The median home value in ZIP 62951 is $89,600 (ACS 2023).
About ZIP Code 62951

ZIP code 62951 is located in Johnston City, Illinois, within Williamson County. With a population of 5,381, this is a lightly populated ZIP code with a mature community — the median age is 51.4 years. Economically, 62951 is a working-class ZIP code: the median household income of $49,694 is below the national average.

Real estate in ZIP code 62951 represents one of the more affordable housing markets in the country. The median home value of $89,600 is well below the national average. Renters can expect to pay around $854 per month in median rent. Homeownership is strong here — 83.0% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 28% since 2019.

The population of 62951 is primarily White (92.03%). Residents are moderately educated — 30.5% hold a bachelor's degree or higher, which is below the national average. Poverty affects some residents at 15.4%. Household income has grown by 17% since 2019.

The unemployment rate in 62951 stands at 5.6%, which is near the national average. As in most parts of the country, driving alone is the dominant commute mode at 87%.

Overall, ZIP code 62951 in Johnston City, IL is characterized as working-class, moderately educated, a mature community, and predominantly owner-occupied. With 5,381 residents, a median household income of $49,694, and a median home value of $89,600, it offers a clear picture of life in this part of Illinois.