Monroe City ZIP Codes — Knox County, IN

There is one unique ZIP code in Monroe City, Indiana and it is 47557. Area code: 812.

ZIP codes

47.27

sq mi land

1.03

sq mi water

812

area code

Monroe City, IN ZIP code map

About Monroe City, IN

Monroe City, Indiana, is a small but welcoming community located in Knox County. With its rich history and serene surroundings, this charming town offers a glimpse into rural life in the Midwest. Residents and visitors appreciate the friendly atmosphere, making it an ideal place to call home or visit.

Location & geography

Situated in southwestern Indiana, Monroe City is nestled within Knox County, surrounded by beautiful landscapes. The town lies approximately 18 miles north of the larger city of Vincennes and about 24 miles south of the city of Petersburg. Covering a total land area of 47.27 square miles and a water area of 1.03 square miles, Monroe City features a combination of rolling fields and serene waterways.

Community & economy

The character of Monroe City reflects a close-knit, friendly community where residents frequently engage in local events and celebrations. The town's economy is predominantly based on agriculture, with farming and small businesses forming the heart of the local industry. Daily life in Monroe City is characterized by a slower pace, allowing families to enjoy outdoor activities and community gatherings.

Transportation

Monroe City is conveniently accessed via several major highways, including Indiana State Road 67 and State Road 41, which connect it to nearby cities and regions. The nearest airport is the Evansville Regional Airport, located approximately 60 miles to the southwest, providing air travel options for residents. Public transportation options are limited, making personal vehicles the most common mode of transit.

History

Monroe City was founded in the 19th century and has maintained its charm through the decades. Historically, the town served as a hub for agriculture and small-scale manufacturing, contributing significantly to the local economy. Notable events in the town’s history include annual harvest festivals that celebrate the region’s agrarian roots.

Did you know?

One surprising fact about Monroe City is that it is home to several unique local festivals that celebrate the agricultural heritage of the region. Additionally, the town's proximity to larger cities allows residents to enjoy both the benefits of rural living and access to urban amenities.

ZIP codes for Monroe City, IN (1)

ZIP code	City	County	Map
47557	Monroe City	Knox	View map

Demographics & statistics

1,308

Population

37.4

Median age

$58,125

Median household income

$29,844

Per capita income

$140,400

Median home value

$1,008

Median monthly rent

75.7%

Home ownership

22.4%

Poverty rate

0.0%

Unemployment

490

Housing units

9.8%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

107

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	360	27.5%
18 and over	948	72.5%
65 and over	190	14.5%
Median age	37.4 years

Race & ethnicity

White 98.2%

Hispanic or Latino 0.9%

Two or more races 0.9%

Group	Count	%
White	1,296	98.2%
Hispanic or Latino	12	0.9%
Two or more races	12	0.9%

Household income

Under $10k 1.7%

$10k–$15k 3.2%

$15k–$25k 19.3%

$25k–$35k 3.9%

$35k–$50k 12.9%

$50k–$75k 15.7%

$75k–$100k 23.4%

$100k–$150k 14.0%

$150k–$200k 3.6%

$200k+ 2.4%

Range	% of households
Under $10k	1.7%
$10k–$15k	3.2%
$15k–$25k	19.3%
$25k–$35k	3.9%
$35k–$50k	12.9%
$50k–$75k	15.7%
$75k–$100k	23.4%
$100k–$150k	14.0%
$150k–$200k	3.6%
$200k+	2.4%
Median income	$58,125

Housing

Home values

Under $50k 4.9%

$50k–$100k 31.6%

$100k–$150k 16.3%

$150k–$200k 24.4%

$200k–$300k 15.1%

$300k–$500k 7.7%

Housing overview

Metric	Value
Median home value	$140,400
Median rent / month	$1,008
Owner occupied	75.7%
Renter occupied	24.3%
Vacant	13.7%
Single-family detached	96.0%
Large apartment buildings	0.0%
Mobile homes	1.3%
Median rooms	5.5
Avg household size (owned)	2.27

Year built

Era	%
2020 or later	4.8%
2010–2019	3.1%
2000–2009	2.6%
1990–1999	7.4%
1980–1989	10.6%
1970–1979	13.4%
1960–1969	20.5%
1950–1959	11.5%
1940–1949	4.5%
1939 or earlier	21.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	9.8%
2 bedrooms	28.9%
3 bedrooms	48.9%
4 bedrooms	11.5%
5+ bedrooms	1.0%

Vehicles per household

Vehicles	% of households
No vehicle	1.1%
1 vehicle	36.1%
2 vehicles	35.3%
3 or more	27.5%

Heating fuel

Fuel type	%
Utility gas	60.0%
Electricity	19.3%
Propane / LP gas	17.4%
Fuel oil	1.3%
Wood	2.1%

Households & families

Household type	Count	%
Married-couple family	298	55.7%
Cohabiting couple	26	4.9%
Male householder, no spouse	64	12.0%
Female householder, no spouse	147	27.5%
Households with children under 18	170	31.8%
Households with seniors (65+)	157	29.3%
Average household size	2.44

Marital status

Status	Male	Female
Never married	19.5%	13.5%
Married	66.5%	57.4%
Separated	0.4%	1.4%
Widowed	0.0%	15.0%
Divorced	13.6%	12.7%

Education

Less than 9th grade 2.3%

Some HS, no diploma 5.1%

HS graduate 45.3%

Some college, no degree 23.8%

Associate's degree 13.7%

Bachelor's degree 7.6%

Graduate / professional 2.2%

Metric	%
HS diploma or higher	92.6%
Bachelor's or higher	9.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	29	9.5%
Kindergarten	20	6.5%
Elementary school	168	54.9%
High school	52	17.0%
College / grad school	37	12.1%

Employment

Industry of employment

Education & healthcare 19.8%

Manufacturing 17.6%

Transportation & utilities 12.9%

Retail trade 12.4%

Arts, food & hospitality 8.6%

Construction 8.1%

Other services 7.2%

Agriculture & mining 7.1%

Public administration 2.5%

Wholesale trade 2.0%

Professional & management 1.5%

Finance & real estate 0.5%

Occupation

Category	%
Management, business & arts	32.0%
Service	20.6%
Sales & office	16.8%
Natural resources & construction	14.7%
Production & transportation	16.0%

Employment type

Type	%
Private sector	74.6%
Government	9.7%
Self-employed	14.5%
Unpaid family workers	1.2%

Commute

Method	%
Drive alone	91.5%
Carpool	6.2%
Public transit	0.0%
Walk	0.3%
Other means	0.0%
Avg commute (minutes)	24.6

Poverty

All people 22.4%

Under 18 years 33.8%

18 and over 18.2%

Married-couple families 20.5%

Female-led households 3.6%

Income support

Source	% of households
Social Security	39.8%
Retirement income	23.4%
Supplemental Security	2.1%
Cash public assistance	1.7%
Food stamps / SNAP	14.8%

Health indicators

Condition	%
High blood pressure	33.6%
High cholesterol	34.5%
Heart disease	6.8%
Stroke	3.0%
Asthma	9.8%
Arthritis	25.8%
Kidney disease	2.8%
Pulmonary disease	8.0%
Cancer	7.0%

Behavior / access	%
Binge drinking	16.5%
No physical activity	24.9%
Less than 7 hrs sleep	33.9%
Fair or poor health	14.6%
Poor mental health	15.3%
Poor physical health	10.7%
No health insurance	12.0%
Visited doctor (checkup)	75.7%
Visited dentist	64.3%
Cholesterol screening	88.7%
Teeth loss	15.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	38	4.0%

Disability	%
Any disability	15.8%
Under 18	4.7%
18–64 years	10.7%
65 and over	57.4%

Health insurance coverage

Type	%
Private insurance	62.8%
Public insurance	40.7%
Uninsured under 19	2.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,215	92.9%
Spanish	7	0.6%
Other Indo-European	0	0.0%
Asian & Pacific Islander	7	0.6%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,308	100.0%
Born in same state	1,308	100.0%
Born in different state	1,047	80.0%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	204	15.6%
Italian	87	6.7%
Arab	84	6.4%

Ancestry	Count	%
English	9	0.7%
German	2	0.2%

Technology access

Metric	% of households
Computer access	40.9%
Internet access	89.9%

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

Frequently asked questions

What ZIP codes does Monroe City, IN have?

Monroe City, IN has one ZIP code: 47557. Each ZIP code serves a distinct delivery area within the city and surrounding region.