Prairie Du Rocher ZIP Code List — Randolph County, IL

There is one unique ZIP code in Prairie Du Rocher, Illinois and it is 62277. Area code: 618.

ZIP codes

65.35

sq mi land

2.56

sq mi water

618

area code

Prairie Du Rocher, IL ZIP code map

About Prairie Du Rocher, IL

Prairie Du Rocher, located in Randolph County, Illinois, is a charming village steeped in history and natural beauty. This small community offers a unique glimpse into the culture and traditions of the Midwest. With its picturesque surroundings and rich heritage, Prairie Du Rocher is a hidden gem within the state of Illinois.

Location & geography

Prairie Du Rocher is situated in the southwestern part of Illinois, approximately 25 miles south of Belleville and 40 miles south of St. Louis, Missouri. The village covers a land area of 65.35 square miles and a water area of 2.56 square miles, contributing to its scenic landscapes. The terrain features the rolling hills typical of the region, and the nearby Mississippi River enhances its natural charm.

Community & economy

The community of Prairie Du Rocher is known for its close-knit atmosphere and friendly residents who enjoy a quiet lifestyle. Historically an agricultural town, it maintains connections to farming while also promoting local businesses and tourism. Daily life here often revolves around community events, outdoor activities, and the celebrations of its rich heritage.

Transportation

Prairie Du Rocher is accessible via Illinois Route 155, which connects the village to nearby towns and broader regional networks. The nearest major airport is the Lambert-St. Louis International Airport, located about 45 miles away in St. Louis, Missouri. Local transit options are limited, reflective of the village's small-town character.

History

Prairie Du Rocher was founded in the early 18th century, making it one of the oldest communities in the region. Originally settled by French colonists, it thrived on agriculture and trade along the Mississippi River, establishing a strong cultural heritage. Notable events in its history include its role in the fur trade and agricultural development, which remain integral to its identity today.

Did you know?

An interesting fact about Prairie Du Rocher is that it is the site of the historic Fort de Chartres, which played a crucial role in the colonial history of the area. Additionally, the village features unique French architecture reflecting its early settlers' cultural roots.

ZIP codes for Prairie Du Rocher, IL (1)

ZIP code	City	County	Map
62277	Prairie Du Rocher	Randolph	View map

Demographics & statistics

1,007

Population

41.0

Median age

$76,765

Median household income

$34,023

Per capita income

$108,500

Median home value

$758

Median monthly rent

85.2%

Home ownership

6.2%

Poverty rate

3.4%

Unemployment

391

Housing units

9.5%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	204	20.3%
18 and over	803	79.7%
65 and over	161	16.0%
Median age	41.0 years

Race & ethnicity

White 95.6%

Two or more races 2%

Hispanic or Latino 1.4%

Black or African American 0.5%

Other race 0.3%

Native Hawaiian / Pacific Islander 0.2%

American Indian / Alaska Native 0.1%

Group	Count	%
White	976	95.6%
Two or more races	20	2%
Hispanic or Latino	14	1.4%
Black or African American	5	0.5%
Other race	3	0.3%
Native Hawaiian / Pacific Islander	2	0.2%
American Indian / Alaska Native	1	0.1%

Household income

Under $10k 1.0%

$10k–$15k 5.3%

$15k–$25k 5.3%

$25k–$35k 9.5%

$35k–$50k 8.8%

$50k–$75k 17.1%

$75k–$100k 25.9%

$100k–$150k 18.3%

$150k–$200k 5.5%

$200k+ 3.3%

Range	% of households
Under $10k	1.0%
$10k–$15k	5.3%
$15k–$25k	5.3%
$25k–$35k	9.5%
$35k–$50k	8.8%
$50k–$75k	17.1%
$75k–$100k	25.9%
$100k–$150k	18.3%
$150k–$200k	5.5%
$200k+	3.3%
Median income	$76,765

Housing

Home values

Under $50k 18.0%

$50k–$100k 28.6%

$100k–$150k 24.2%

$150k–$200k 8.3%

$200k–$300k 16.5%

$300k–$500k 3.2%

$500k–$1M 1.2%

Housing overview

Metric	Value
Median home value	$108,500
Median rent / month	$758
Owner occupied	85.2%
Renter occupied	14.8%
Vacant	11.6%
Single-family detached	86.2%
Large apartment buildings	0.0%
Mobile homes	13.8%
Median rooms	5.6
Avg household size (owned)	2.45

Year built

Era	%
2020 or later	0.0%
2010–2019	1.8%
2000–2009	7.3%
1990–1999	6.2%
1980–1989	9.1%
1970–1979	18.9%
1960–1969	16.4%
1950–1959	13.8%
1940–1949	10.0%
1939 or earlier	16.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	4.0%
2 bedrooms	32.9%
3 bedrooms	52.7%
4 bedrooms	9.8%
5+ bedrooms	0.7%

Vehicles per household

Vehicles	% of households
No vehicle	4.5%
1 vehicle	19.3%
2 vehicles	40.2%
3 or more	35.9%

Heating fuel

Fuel type	%
Utility gas	38.2%
Electricity	32.7%
Propane / LP gas	24.1%
Wood	4.8%

Households & families

Household type	Count	%
Married-couple family	220	55.3%
Cohabiting couple	31	7.8%
Male householder, no spouse	100	25.1%
Female householder, no spouse	47	11.8%
Households with children under 18	112	28.1%
Households with seniors (65+)	122	30.7%
Average household size	2.53

Marital status

Status	Male	Female
Never married	34.5%	27.7%
Married	51.1%	61.1%
Separated	1.8%	0.0%
Widowed	2.7%	7.0%
Divorced	10.0%	4.2%

Education

Less than 9th grade 2.9%

Some HS, no diploma 7.2%

HS graduate 45.1%

Some college, no degree 24.3%

Associate's degree 11.0%

Bachelor's degree 4.7%

Graduate / professional 4.8%

Metric	%
HS diploma or higher	89.9%
Bachelor's or higher	9.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	25	11.6%
Kindergarten	0	0.0%
Elementary school	95	44.2%
High school	69	32.1%
College / grad school	26	12.1%

Employment

Industry of employment

Education & healthcare 20.1%

Retail trade 13.7%

Manufacturing 13.2%

Other services 11.6%

Construction 9.3%

Agriculture & mining 8.2%

Arts, food & hospitality 6.9%

Professional & management 6.3%

Transportation & utilities 3.4%

Wholesale trade 2.4%

Finance & real estate 1.9%

Information 1.6%

Public administration 1.3%

Occupation

Category	%
Management, business & arts	20.9%
Service	19.0%
Sales & office	16.6%
Natural resources & construction	17.6%
Production & transportation	25.9%

Employment type

Type	%
Private sector	82.4%
Government	13.0%
Self-employed	4.0%
Unpaid family workers	0.5%

Commute

Method	%
Drive alone	85.3%
Carpool	7.6%
Public transit	0.3%
Walk	2.1%
Other means	0.6%
Avg commute (minutes)	28.0

Poverty

All people 6.2%

Under 18 years 6.4%

18 and over 6.1%

Married-couple families 1.8%

Female-led households 10.0%

Income support

Source	% of households
Social Security	33.4%
Retirement income	14.6%
Supplemental Security	5.5%
Cash public assistance	5.8%
Food stamps / SNAP	9.3%

Health indicators

Condition	%
High blood pressure	33.2%
High cholesterol	33.7%
Heart disease	6.3%
Stroke	2.9%
Asthma	9.7%
Arthritis	26.9%
Kidney disease	2.7%
Pulmonary disease	7.2%
Cancer	6.8%

Behavior / access	%
Binge drinking	15.9%
No physical activity	24.6%
Less than 7 hrs sleep	32.3%
Fair or poor health	13.6%
Poor mental health	13.2%
Poor physical health	9.8%
No health insurance	10.3%
Visited doctor (checkup)	76.0%
Visited dentist	64.8%
Cholesterol screening	89.8%
Teeth loss	13.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	75	9.3%

Disability	%
Any disability	14.1%
Under 18	7.8%
18–64 years	11.4%
65 and over	32.9%

Health insurance coverage

Type	%
Private insurance	73.1%
Public insurance	35.6%
Uninsured under 19	3.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	952	94.5%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,003	99.6%
Born in same state	998	99.1%
Born in different state	672	66.7%
Foreign born	5	0.5%
Naturalized citizen	4	0.4%
Not a US citizen	2	50.0%

Ancestry

Ancestry	Count	%
Italian	113	11.2%
French	86	8.5%
Arab	53	5.3%

Ancestry	Count	%
Irish	8	0.8%
English	4	0.4%

Technology access

Metric	% of households
Computer access	39.5%
Internet access	83.4%

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

Frequently asked questions

What is the ZIP code for Prairie Du Rocher, IL?

Prairie Du Rocher, IL has one ZIP code: 62277.

What is the main ZIP code for Prairie Du Rocher, IL?

The primary ZIP code for Prairie Du Rocher, IL is 62277. The city uses area code 618 for phone service.

What county is Prairie Du Rocher, IL in?

Prairie Du Rocher is located in Randolph County, Illinois.

How many ZIP codes are in Prairie Du Rocher, IL?

Prairie Du Rocher, IL has 1 ZIP code.

What is the ZIP code for the historic downtown area of Prairie Du Rocher along the Mississippi River bluffs?

The historic downtown area of Prairie Du Rocher, including the riverfront district near Fort de Chartres, is located in ZIP code 62277.

What ZIP code should I use when mailing correspondence to Prairie Du Rocher's Village Hall and municipal offices?

All official correspondence and mail to Prairie Du Rocher's Village Hall and municipal offices should be addressed to ZIP code 62277, as it is the sole ZIP code serving this Randolph County community.