62951 ZIP Code — Johnston City, IL

Williamson County, Illinois

ZIP code 62951 is located in Johnston City, Illinois, within Williamson County. It covers approximately 27.67 square miles and serves a population of 5,574 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 618.

About ZIP code 62951

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $86,700. Owner-occupancy is high at 82%, well above the national average.

Median household income is $54,120. SNAP benefit usage at 18% of households reflects economic stress in the area. 37% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 18 minutes is near the national average.

College attainment at 20% is below the national average, consistent with a trades and production-oriented local economy.

Notable community characteristics include disability rates above the national average at 23%.

Overall, ZIP code 62951 reflects a community defined by a trades-oriented workforce, high homeownership, a significant Social Security-dependent population, and elevated reliance on food assistance.

5,574

population

27.67

sq mi land

Standard

ZIP type

Central (CT)

timezone

62951 ZIP code map

Cities in ZIP code 62951

Below are the cities the US Postal Service accepts for ZIP code 62951. Using any city not on this list may result in mail delivery delays.

City	Status
Johnston City	Acceptable
Johnston City	Preferred

Nearby ZIP codes

62896 West Frankfort (4.6 mi) 62948 Herrin (5.8 mi) 62933 Energy (6.8 mi) 62874 Orient (7.2 mi) 62974 Pittsburg (7.6 mi) 62959 Marion (7.7 mi) 62999 Zeigler (8.4 mi) 62918 Carterville (9.1 mi) 62890 Thompsonville (10.9 mi) 62983 Royalton (11.1 mi) 62819 Buckner (11.1 mi) 62822 Christopher (12.4 mi)

Demographics updated 05/2026

Population
Total population	5,574
Population density	201 / sq mi
State FIPS	17
County FIPS	199

Geography
Land area	27.67 sq mi
Water area	0.70 sq mi
Latitude	37.8273
Longitude	-88.9248
Timezone	Central (CT)
Area code	618

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	61.1%	48.6%	37.2%
$50k – $100k	24.7%	29.7%	29.6%
$100k – $200k	12.1%	18.2%	24.4%
Over $200k	2.1%	3.5%	8.8%

Demographics & statistics

5,574

Population

201

People per sq mi

49.0

Median age

$54,120

Median household income

$30,042

Per capita income

$86,700

Median home value

$741

Median monthly rent

81.8%

Home ownership

14.6%

Poverty rate

5.6%

Unemployment

2,137

Housing units

19.6%

Bachelor's or higher

Age distribution

Male Female

115

Under 5

5–9

211

10–14

178

157

15–19

132

264

20–24

222

245

25–34

206

314

35–44

265

483

45–54

408

309

55–59

261

278

60–64

234

301

65–74

254

165

75–84

140

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,007	18.1%
18 and over	4,567	81.9%
65 and over	1,012	18.2%
Median age	49.0 years

Race & ethnicity

White 92.8%

Two or more races 2.6%

Asian 2.2%

Hispanic or Latino 1.3%

Other race 0.7%

American Indian / Alaska Native 0.2%

Black or African American 0.1%

Group	Count	%
White	5,242	92.8%
Two or more races	147	2.6%
Asian	124	2.2%
Hispanic or Latino	73	1.3%
Other race	42	0.7%
American Indian / Alaska Native	12	0.2%
Black or African American	7	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	61.1%	48.6%	37.2%
$50k – $100k	24.7%	29.7%	29.6%
$100k – $200k	12.1%	18.2%	24.4%
Over $200k	2.1%	3.5%	8.8%

Under $10k 7.1%

$10k–$15k 1.4%

$15k–$25k 5.7%

$25k–$35k 10.2%

$35k–$50k 22.2%

$50k–$75k 13.8%

$75k–$100k 15.2%

$100k–$150k 19.6%

$150k–$200k 2.1%

$200k+ 2.7%

Range	% of households
Under $10k	7.1%
$10k–$15k	1.4%
$15k–$25k	5.7%
$25k–$35k	10.2%
$35k–$50k	22.2%
$50k–$75k	13.8%
$75k–$100k	15.2%
$100k–$150k	19.6%
$150k–$200k	2.1%
$200k+	2.7%
Median income	$54,120

Housing

Home values

Under $50k 20.1%

$50k–$100k 39.3%

$100k–$150k 21.4%

$150k–$200k 9.4%

$200k–$300k 3.5%

$300k–$500k 4.2%

$500k–$1M 1.7%

$1M+ 0.4%

Housing overview

Metric	Value
Median home value	$86,700
Median rent / month	$741
Owner occupied	81.8%
Renter occupied	18.2%
Vacant	8.4%
Single-family detached	80.7%
Large apartment buildings	1.1%
Mobile homes	4.9%
Median rooms	5.9
Avg household size (owned)	2.45

Year built

Era	%
2020 or later	0.0%
2010–2019	3.0%
2000–2009	5.5%
1990–1999	12.1%
1980–1989	12.9%
1970–1979	12.4%
1960–1969	9.3%
1950–1959	8.3%
1940–1949	3.5%
1939 or earlier	33.0%

Bedrooms

Size	% of units
No bedroom (studio)	5.6%
1 bedroom	4.3%
2 bedrooms	25.0%
3 bedrooms	46.4%
4 bedrooms	14.4%
5+ bedrooms	4.4%

Vehicles per household

Vehicles	% of households
No vehicle	4.1%
1 vehicle	32.1%
2 vehicles	43.2%
3 or more	20.6%

Heating fuel

Fuel type	%
Utility gas	29.9%
Electricity	59.5%
Propane / LP gas	10.2%
Fuel oil	0.3%

Households & families

Household type	Count	%
Married-couple family	1,166	49.6%
Cohabiting couple	16	0.7%
Male householder, no spouse	706	30.1%
Female householder, no spouse	461	19.6%
Households with children under 18	540	23.0%
Households with seniors (65+)	755	32.1%
Average household size	2.36

Marital status

Status	Male	Female
Never married	29.1%	19.8%
Married	45.6%	55.6%
Separated	1.7%	5.4%
Widowed	3.6%	6.6%
Divorced	20.0%	12.6%

Education

Less than 9th grade 1.6%

Some HS, no diploma 6.0%

HS graduate 31.0%

Some college, no degree 26.5%

Associate's degree 15.3%

Bachelor's degree 11.5%

Graduate / professional 8.1%

Metric	%
HS diploma or higher	92.4%
Bachelor's or higher	19.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	29	2.8%
Kindergarten	26	2.5%
Elementary school	529	50.6%
High school	268	25.6%
College / grad school	193	18.5%

Employment

Industry of employment

Education & healthcare 31.1%

Retail trade 15.5%

Manufacturing 8.7%

Finance & real estate 8.6%

Transportation & utilities 8.2%

Professional & management 8.2%

Arts, food & hospitality 6.6%

Agriculture & mining 5.0%

Public administration 3.9%

Construction 3.4%

Wholesale trade 0.8%

Occupation

Category	%
Management, business & arts	31.7%
Service	21.7%
Sales & office	19.4%
Natural resources & construction	12.1%
Production & transportation	15.0%

Employment type

Type	%
Private sector	81.1%
Government	15.4%
Self-employed	3.6%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	87.2%
Carpool	10.0%
Public transit	0.9%
Walk	0.0%
Work from home	1.9%
Other means	0.0%
Avg commute (minutes)	18.1

Poverty

All people 14.6%

Under 18 years 30.2%

18 and over 11.4%

Married-couple families 4.3%

Female-led households 7.2%

Income support

Source	% of households
Social Security	36.7%
Retirement income	32.5%
Supplemental Security	2.1%
Cash public assistance	4.1%
Food stamps / SNAP	18.4%

Health indicators

Condition	%
Obesity	32.8%
High blood pressure	34.1%
High cholesterol	33.3%
Diabetes	9.9%
Heart disease	6.7%
Stroke	3.1%
Asthma	9.8%
Arthritis	27.3%
Kidney disease	2.9%
Pulmonary disease	7.4%
Cancer	7.2%

Behavior / access	%
Smoking	18.7%
Binge drinking	15.2%
No physical activity	24.4%
Less than 7 hrs sleep	31.2%
Depression	18.2%
Fair or poor health	14.0%
Poor mental health	13.1%
Poor physical health	10.1%
No health insurance	10.4%
Visited doctor (checkup)	76.8%
Visited dentist	65.1%
Cholesterol screening	89.6%
Teeth loss	14.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	408	8.9%

Disability	%
Any disability	23.1%
Under 18	13.1%
18–64 years	17.9%
65 and over	51.1%

Health insurance coverage

Type	%
Private insurance	59.7%
Public insurance	50.8%
No insurance	5.8%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	5,362	96.2%
Spanish	41	0.8%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	41	0.8%

Place of birth & citizenship

Origin	Count	%
Native born (US)	5,477	98.3%
Born in same state	5,477	98.3%
Born in different state	3,995	71.7%
Foreign born	0	0.0%
Naturalized citizen	97	1.7%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	918	16.5%
Italian	729	13.1%
Arab	621	11.1%

Ancestry	Count	%
English	159	2.9%
Polish	36	0.6%
Irish	17	0.3%

Technology access

Metric	% of households
Computer access	42.1%
Internet access	88.4%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 62951

What city is ZIP code 62951 in?

ZIP code 62951 is primarily assigned to Johnston City, Illinois.

What county is ZIP code 62951 in?

ZIP code 62951 falls within Williamson County, Illinois.

Is ZIP code 62951 mostly owner-occupied?

82% of occupied units in ZIP code 62951 are owner-occupied, well above the national average.

Does ZIP code 62951 have a large retiree population?

37% of households in ZIP code 62951 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 62951?

The median home value in ZIP code 62951 is $86,700.

What is the population of ZIP code 62951?

ZIP code 62951 has an estimated population of 5,574 residents, with a density of 201 people per square mile.

What timezone is ZIP code 62951 in?

ZIP code 62951 observes the CST timezone.