47557 ZIP Code — Monroe City, IN

Knox County, Indiana

ZIP code 47557 is located in Monroe City, Indiana, within Knox County. It covers approximately 47.27 square miles and serves a population of 1,308 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 812.

About ZIP code 47557

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 $140,400. Owner-occupancy is high at 76%, well above the national average.

Median household income is $58,125. Poverty affects 22% of residents, above the national average. 40% 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 25 minutes is near the national average.

College attainment at 10% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (20%) compared to national benchmarks.

Overall, ZIP code 47557 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, high homeownership, and a significant Social Security-dependent population.

1,308

population

47.27

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

47557 ZIP code map

Cities in ZIP code 47557

Below are the cities the US Postal Service accepts for ZIP code 47557. Using any city not on this list may result in mail delivery delays.

City	Status
Monroe City	Preferred

Nearby ZIP codes

47597 Wheatland (6 mi) 47567 Petersburg (8 mi) 47501 Washington (9.1 mi) 47591 Vincennes (9.8 mi) 47640 Hazleton (11.1 mi) 47516 Bruceville (14 mi) 47512 Bicknell (15.1 mi) 47598 Winslow (15.3 mi) 47524 Decker (15.5 mi) 47564 Otwell (15.7 mi) 47568 Plainville (16.7 mi) 47649 Francisco (17.1 mi)

Demographics updated 05/2026

Population
Total population	1,308
Population density	28 / sq mi
State FIPS	18
County FIPS	083

Geography
Land area	47.27 sq mi
Water area	1.03 sq mi
Latitude	38.5766
Longitude	-87.3418
Timezone	Eastern (ET)
Area code	812

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	42.9%	51.4%	42.9%
$50k – $100k	32.2%	29.7%	32.7%
$100k – $200k	22.7%	14.8%	19.8%
Over $200k	2.2%	4.1%	4.5%

Demographics & statistics

1,308

Population

People per sq mi

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

Income range	This ZIP	County avg	State avg
Under $50k	42.9%	51.4%	42.9%
$50k – $100k	32.2%	29.7%	32.7%
$100k – $200k	22.7%	14.8%	19.8%
Over $200k	2.2%	4.1%	4.5%

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%
Work from home	2.0%
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	%
Obesity	41.7%
High blood pressure	33.6%
High cholesterol	34.5%
Diabetes	10.3%
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	%
Smoking	20.4%
Binge drinking	16.5%
No physical activity	24.9%
Less than 7 hrs sleep	33.9%
Depression	23.4%
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%
No insurance	8.1%
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 about ZIP code 47557

What city is ZIP code 47557 in?

ZIP code 47557 is primarily assigned to Monroe City, Indiana.

What county is ZIP code 47557 in?

ZIP code 47557 falls within Knox County, Indiana.

How educated is the population of ZIP code 47557?

10% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

What is the poverty rate in ZIP code 47557?

22% of residents in ZIP code 47557 live below the poverty line, above the national average.

Does ZIP code 47557 have a large retiree population?

40% of households in ZIP code 47557 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 47557?

The median home value in ZIP code 47557 is $140,400.

What timezone is ZIP code 47557 in?

ZIP code 47557 observes the EST timezone.