Monroe City ZIP Code List — Monroe County, MO

There is one unique ZIP code in Monroe City, Missouri and it is 63456. Area code: 573.

ZIP codes

181.88

sq mi land

5.25

sq mi water

573

area code

Monroe City, MO ZIP code map

About Monroe City, MO

Monroe City, Missouri, is a charming community located in Monroe County. Known for its friendly atmosphere and rich local history, this small city embodies the spirit of rural America. With a single ZIP code of 63456, Monroe City serves as a central point for residents and visitors alike.

Location & geography

Monroe City is situated in northeast Missouri, where it benefits from a blend of rolling landscapes and serene waterways. It is approximately 11 miles southwest of Palmyra, 15 miles northeast of Mexico, and around 20 miles northwest of Hannibal. The city covers a land area of 181.88 square miles and includes 5.25 square miles of water, adding to its picturesque environment.

Community & economy

The community of Monroe City is characterized by its close-knit relationships and a commitment to local enterprises. Primarily driven by agriculture and small businesses, residents enjoy a slower pace of life that fosters strong social ties. Daily life is enriched by local events, community gatherings, and the beautiful natural surroundings that the area has to offer.

Transportation

Monroe City is accessible via major highways, including U.S. Route 24 and Missouri Route 36, which facilitate travel to neighboring cities and beyond. The nearest commercial airport is located further away in Quincy, Illinois, while local transit options are typically limited to regional carriers and personal vehicles.

History

Founding of Monroe City dates back to the mid-19th century, reflecting the area's agricultural roots and the growth of railroads. Key industries historically included farming and manufacturing, which have shaped the local economy over the years. Notable events in the city’s history include annual fairs and local celebrations that foster community pride.

Did you know?

One surprising fact about Monroe City is that it hosts the annual Monroe City Halloween Parade, which attracts participants and spectators from surrounding areas. Additionally, the city’s proximity to the Mark Twain Riverboat provides unique recreational opportunities along the Mississippi River.

ZIP codes for Monroe City, MO (1)

ZIP code	City	County	Map
63456	Monroe City	Monroe	View map

Demographics & statistics

4,995

Population

40.7

Median age

$58,547

Median household income

$26,960

Per capita income

$140,500

Median home value

$705

Median monthly rent

63.5%

Home ownership

12.7%

Poverty rate

0.7%

Unemployment

1,658

Housing units

20.7%

Bachelor's or higher

Age distribution

Male Female

185

Under 5

183

193

5–9

190

163

10–14

161

15–19

159

106

20–24

105

256

25–34

253

381

35–44

375

284

45–54

280

161

55–59

158

170

60–64

168

251

65–74

247

150

75–84

147

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,300	26.0%
18 and over	3,695	74.0%
65 and over	903	18.1%
Median age	40.7 years

Race & ethnicity

White 89.2%

Black or African American 5.7%

Two or more races 2.4%

American Indian / Alaska Native 1.1%

Asian 0.9%

Hispanic or Latino 0.6%

Group	Count	%
White	4,482	89.2%
Black or African American	287	5.7%
Two or more races	123	2.4%
American Indian / Alaska Native	56	1.1%
Asian	47	0.9%
Hispanic or Latino	32	0.6%

Household income

Under $10k 5.1%

$10k–$15k 4.9%

$15k–$25k 9.7%

$25k–$35k 8.4%

$35k–$50k 12.1%

$50k–$75k 20.0%

$75k–$100k 17.9%

$100k–$150k 11.7%

$150k–$200k 8.7%

$200k+ 1.5%

Range	% of households
Under $10k	5.1%
$10k–$15k	4.9%
$15k–$25k	9.7%
$25k–$35k	8.4%
$35k–$50k	12.1%
$50k–$75k	20.0%
$75k–$100k	17.9%
$100k–$150k	11.7%
$150k–$200k	8.7%
$200k+	1.5%
Median income	$58,547

Housing

Home values

Under $50k 4.6%

$50k–$100k 31.3%

$100k–$150k 17.9%

$150k–$200k 21.0%

$200k–$300k 18.9%

$300k–$500k 2.8%

$500k–$1M 1.6%

$1M+ 1.9%

Housing overview

Metric	Value
Median home value	$140,500
Median rent / month	$705
Owner occupied	63.5%
Renter occupied	36.5%
Vacant	20.8%
Single-family detached	68.7%
Large apartment buildings	0.2%
Mobile homes	16.6%
Median rooms	5.5
Avg household size (owned)	2.72

Year built

Era	%
2020 or later	0.0%
2010–2019	4.8%
2000–2009	16.3%
1990–1999	11.3%
1980–1989	14.8%
1970–1979	18.1%
1960–1969	9.3%
1950–1959	6.3%
1940–1949	1.6%
1939 or earlier	17.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.3%
1 bedroom	6.8%
2 bedrooms	36.9%
3 bedrooms	39.5%
4 bedrooms	12.0%
5+ bedrooms	4.5%

Vehicles per household

Vehicles	% of households
No vehicle	9.6%
1 vehicle	24.2%
2 vehicles	38.1%
3 or more	28.1%

Heating fuel

Fuel type	%
Utility gas	39.6%
Electricity	38.2%
Propane / LP gas	20.2%
Wood	1.7%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	1,013	54.8%
Cohabiting couple	93	5.0%
Male householder, no spouse	327	17.7%
Female householder, no spouse	415	22.5%
Households with children under 18	708	38.3%
Households with seniors (65+)	601	32.5%
Average household size	2.65

Marital status

Status	Male	Female
Never married	27.2%	24.2%
Married	57.2%	53.1%
Separated	1.2%	1.0%
Widowed	3.7%	11.2%
Divorced	10.7%	10.6%

Education

Less than 9th grade 2.4%

Some HS, no diploma 8.4%

HS graduate 43.5%

Some college, no degree 18.2%

Associate's degree 6.8%

Bachelor's degree 13.9%

Graduate / professional 6.8%

Metric	%
HS diploma or higher	89.2%
Bachelor's or higher	20.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	36	3.6%
Kindergarten	23	2.3%
Elementary school	561	56.3%
High school	239	24.0%
College / grad school	137	13.8%

Employment

Industry of employment

Education & healthcare 23.9%

Manufacturing 17.1%

Retail trade 14.5%

Transportation & utilities 9.5%

Arts, food & hospitality 8.3%

Professional & management 5.1%

Other services 4.7%

Agriculture & mining 4.3%

Construction 4.1%

Public administration 3.3%

Finance & real estate 2.5%

Wholesale trade 1.7%

Information 1.1%

Occupation

Category	%
Management, business & arts	36.1%
Service	14.4%
Sales & office	18.2%
Natural resources & construction	7.2%
Production & transportation	24.1%

Employment type

Type	%
Private sector	82.0%
Government	10.6%
Self-employed	7.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	81.7%
Carpool	9.4%
Public transit	0.0%
Walk	2.3%
Other means	0.5%
Avg commute (minutes)	21.7

Poverty

All people 12.7%

Under 18 years 12.1%

18 and over 13.0%

Married-couple families 2.4%

Female-led households 33.2%

Income support

Source	% of households
Social Security	37.4%
Retirement income	28.5%
Supplemental Security	8.2%
Cash public assistance	3.5%
Food stamps / SNAP	10.4%

Health indicators

Condition	%
High blood pressure	35.8%
High cholesterol	36.0%
Heart disease	8.3%
Stroke	3.8%
Asthma	9.7%
Arthritis	31.1%
Kidney disease	3.3%
Pulmonary disease	9.7%
Cancer	7.5%

Behavior / access	%
Binge drinking	16.0%
No physical activity	29.4%
Less than 7 hrs sleep	34.7%
Fair or poor health	18.4%
Poor mental health	15.8%
Poor physical health	13.1%
No health insurance	16.1%
Visited doctor (checkup)	75.1%
Visited dentist	56.4%
Cholesterol screening	88.7%
Teeth loss	20.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	318	8.6%

Disability	%
Any disability	15.5%
Under 18	2.0%
18–64 years	13.8%
65 and over	41.4%

Health insurance coverage

Type	%
Private insurance	68.0%
Public insurance	32.5%
Uninsured under 19	4.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	4,627	92.6%
Spanish	29	0.6%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	9	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	4,936	98.8%
Born in same state	4,936	98.8%
Born in different state	3,869	77.5%
Foreign born	0	0.0%
Naturalized citizen	59	1.2%
Not a US citizen	16	27.1%

Ancestry

Ancestry	Count	%
Italian	657	13.2%
French	420	8.4%
Arab	345	6.9%

Ancestry	Count	%
English	50	1%
German	30	0.6%

Technology access

Metric	% of households
Computer access	37.0%
Internet access	90.8%

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

Frequently asked questions

What is the ZIP code for Monroe City, MO?

Monroe City, MO has one ZIP code: 63456.

What is the main ZIP code for Monroe City, MO?

The primary ZIP code for Monroe City, MO is 63456. The city uses area code 573 for phone service.

What county is Monroe City, MO in?

Monroe City is located in Monroe County, Missouri.

How many ZIP codes are in Monroe City, MO?

Monroe City, MO has 1 ZIP code.

What is the ZIP code for downtown Monroe City, Missouri?

Downtown Monroe City is located in ZIP code 63456, which serves as the primary commercial and civic center of this Monroe County community.

What ZIP code should I use for mailing addresses in Monroe City, MO?

All mailing addresses in Monroe City, Missouri use the ZIP code 63456, as it is the only ZIP code assigned to this city.