Hannibal ZIP Code List — Marion County, MO

There is one unique ZIP code in Hannibal, Missouri and it is 63401. Area code: 573.

ZIP codes

110.91

sq mi land

1.89

sq mi water

573

area code

Hannibal, MO ZIP code map

About Hannibal, MO

Hannibal, Missouri, is a charming city located in Marion County, known for its rich history and cultural significance. As the hometown of literary great Mark Twain, Hannibal is steeped in stories and attractions that honor its past. Visitors and residents alike enjoy the unique blend of historical landmarks and modern amenities that this picturesque riverside town offers.

Location & geography

Situated in the northeastern part of Missouri, Hannibal lies along the banks of the Mississippi River, making it a scenic location with diverse terrain. The city is conveniently located approximately 30 miles from Quincy, Illinois, to the northeast, and 50 miles from Columbia, Missouri, to the southwest. Covering a total land area of 110.91 square miles and encompassing a water area of 1.89 square miles, Hannibal features a mix of urban and rural landscapes.

Community & economy

Hannibal has a vibrant community characterized by its friendly residents and a strong sense of local pride. The city's economy historically centered around industries such as manufacturing and agriculture, while tourism plays a significant role today, driven by attractions related to Mark Twain. Daily life in Hannibal includes local events, festivals, and activities that engage both locals and visitors, fostering a close-knit atmosphere.

Transportation

Hannibal is accessible via several key highways, including U.S. Highway 61 and Missouri Route 36, providing convenient routes for travel and transport. The nearest major airport is Quincy Regional Airport, located about 30 miles from the city, facilitating access for air travelers. Public transportation options are limited, but local services and ridesharing are available for residents and visitors.

History

Hannibal was founded in the early 19th century as a river town when it became a hub for trade and commerce along the Mississippi River. The city gained fame as the birthplace of Samuel Clemens, better known as Mark Twain, who drew inspiration from its surroundings for his literary works, including 'The Adventures of Tom Sawyer.' Key industries over the years have included shipbuilding and agriculture, contributing to the city's development and growth.

Did you know?

A surprising fact about Hannibal is that it holds an annual event called the Twain on Main Festival, celebrating Mark Twain and his literary contributions with activities and performances. Additionally, the city features the Mark Twain Boyhood Home and Museum, a major tourist attraction that draws visitors from around the world.

ZIP codes for Hannibal, MO (1)

ZIP code	City	County	Map
63401	Hannibal	Marion	View map

Demographics & statistics

21,167

Population

39.5

Median age

$59,395

Median household income

$30,649

Per capita income

$147,400

Median home value

$788

Median monthly rent

66.1%

Home ownership

14.7%

Poverty rate

3.8%

Unemployment

6,817

Housing units

24.4%

Bachelor's or higher

Age distribution

Male Female

558

Under 5

611

638

5–9

699

675

10–14

740

656

15–19

719

750

20–24

821

1,151

25–34

1,260

1,179

35–44

1,292

1,090

45–54

1,194

630

55–59

689

836

60–64

916

1,141

65–74

1,249

483

75–84

530

315

85+

345

← Male

Female →

Age summary

Group	Count	%
Under 18	4,766	22.5%
18 and over	16,401	77.5%
65 and over	4,063	19.2%
Median age	39.5 years

Race & ethnicity

White 89.1%

Black or African American 6.2%

Two or more races 2.9%

Hispanic or Latino 0.8%

Asian 0.6%

Other race 0.2%

American Indian / Alaska Native 0.1%

Group	Count	%
White	19,017	89.1%
Black or African American	1,322	6.2%
Two or more races	628	2.9%
Hispanic or Latino	169	0.8%
Asian	134	0.6%
Other race	40	0.2%
American Indian / Alaska Native	16	0.1%

Household income

Under $10k 7.0%

$10k–$15k 5.5%

$15k–$25k 9.1%

$25k–$35k 8.1%

$35k–$50k 12.0%

$50k–$75k 20.4%

$75k–$100k 14.8%

$100k–$150k 14.3%

$150k–$200k 5.6%

$200k+ 3.2%

Range	% of households
Under $10k	7.0%
$10k–$15k	5.5%
$15k–$25k	9.1%
$25k–$35k	8.1%
$35k–$50k	12.0%
$50k–$75k	20.4%
$75k–$100k	14.8%
$100k–$150k	14.3%
$150k–$200k	5.6%
$200k+	3.2%
Median income	$59,395

Housing

Home values

Under $50k 10.2%

$50k–$100k 23.3%

$100k–$150k 17.3%

$150k–$200k 18.0%

$200k–$300k 21.1%

$300k–$500k 6.6%

$500k–$1M 3.0%

$1M+ 0.6%

Housing overview

Metric	Value
Median home value	$147,400
Median rent / month	$788
Owner occupied	66.1%
Renter occupied	33.9%
Vacant	12.7%
Single-family detached	73.5%
Large apartment buildings	4.1%
Mobile homes	4.5%
Median rooms	5.8
Avg household size (owned)	2.44

Year built

Era	%
2020 or later	0.4%
2010–2019	5.8%
2000–2009	5.8%
1990–1999	14.6%
1980–1989	9.9%
1970–1979	14.2%
1960–1969	8.8%
1950–1959	10.1%
1940–1949	4.2%
1939 or earlier	26.3%

Bedrooms

Size	% of units
No bedroom (studio)	2.4%
1 bedroom	10.0%
2 bedrooms	26.9%
3 bedrooms	46.7%
4 bedrooms	10.8%
5+ bedrooms	3.1%

Vehicles per household

Vehicles	% of households
No vehicle	8.9%
1 vehicle	32.1%
2 vehicles	41.4%
3 or more	17.6%

Heating fuel

Fuel type	%
Utility gas	59.2%
Electricity	33.0%
Propane / LP gas	5.8%
Fuel oil	0.2%
Wood	0.9%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	3,883	46.0%
Cohabiting couple	687	8.1%
Male householder, no spouse	1,280	15.2%
Female householder, no spouse	2,598	30.8%
Households with children under 18	2,550	30.2%
Households with seniors (65+)	2,932	34.7%
Average household size	2.36

Marital status

Status	Male	Female
Never married	33.9%	27.9%
Married	51.3%	43.6%
Separated	1.3%	0.9%
Widowed	3.4%	11.4%
Divorced	10.1%	16.2%

Education

Less than 9th grade 3.3%

Some HS, no diploma 7.5%

HS graduate 39.2%

Some college, no degree 19.6%

Associate's degree 6.1%

Bachelor's degree 15.1%

Graduate / professional 9.3%

Metric	%
HS diploma or higher	89.2%
Bachelor's or higher	24.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	260	5.5%
Kindergarten	183	3.8%
Elementary school	2,191	46.0%
High school	1,006	21.1%
College / grad school	1,123	23.6%

Employment

Industry of employment

Education & healthcare 26.8%

Retail trade 16.0%

Manufacturing 15.4%

Arts, food & hospitality 8.3%

Construction 6.7%

Professional & management 5.5%

Other services 4.9%

Public administration 4.2%

Transportation & utilities 3.9%

Finance & real estate 3.1%

Wholesale trade 2.5%

Agriculture & mining 1.8%

Information 0.7%

Occupation

Category	%
Management, business & arts	31.2%
Service	17.4%
Sales & office	25.7%
Natural resources & construction	8.3%
Production & transportation	17.4%

Employment type

Type	%
Private sector	81.2%
Government	12.6%
Self-employed	6.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	77.3%
Carpool	12.1%
Public transit	0.2%
Walk	2.6%
Other means	2.0%
Avg commute (minutes)	15.9

Poverty

All people 14.7%

Under 18 years 13.9%

18 and over 15.0%

Married-couple families 2.8%

Female-led households 26.7%

Income support

Source	% of households
Social Security	37.9%
Retirement income	25.1%
Supplemental Security	5.8%
Cash public assistance	2.5%
Food stamps / SNAP	14.5%

Health indicators

Condition	%
High blood pressure	33.4%
High cholesterol	34.2%
Heart disease	7.6%
Stroke	3.7%
Asthma	10.2%
Arthritis	29.3%
Kidney disease	3.2%
Pulmonary disease	9.4%
Cancer	6.9%

Behavior / access	%
Binge drinking	16.9%
No physical activity	27.9%
Less than 7 hrs sleep	35.6%
Fair or poor health	18.6%
Poor mental health	16.8%
Poor physical health	13.0%
No health insurance	16.9%
Visited doctor (checkup)	75.4%
Visited dentist	53.0%
Cholesterol screening	86.7%
Teeth loss	21.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,167	7.1%

Disability	%
Any disability	16.8%
Under 18	5.4%
18–64 years	14.6%
65 and over	37.7%

Health insurance coverage

Type	%
Private insurance	64.3%
Public insurance	39.9%
Uninsured under 19	1.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	19,998	94.5%
Spanish	62	0.3%
Other Indo-European	54	0.3%
Asian & Pacific Islander	8	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	20,956	99.0%
Born in same state	20,902	98.7%
Born in different state	15,299	72.3%
Foreign born	54	0.3%
Naturalized citizen	211	1.0%
Not a US citizen	128	60.7%

Ancestry

Ancestry	Count	%
French	2,876	13.6%
Italian	2,326	11%
Arab	1,983	9.4%
English	215	1%
Polish	98	0.5%

Ancestry	Count	%
German	77	0.4%
Irish	18	0.1%
Norwegian	11	0.1%
Dutch	1	0%

Technology access

Metric	% of households
Computer access	39.9%
Internet access	91.5%

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

Frequently asked questions

What is the ZIP code for Hannibal, MO?

Hannibal, MO has one ZIP code: 63401.

What is the main ZIP code for Hannibal, MO?

The primary ZIP code for Hannibal, MO is 63401. The city uses area code 573 for phone service.

What county is Hannibal, MO in?

Hannibal is located in Marion County, Missouri.

How many ZIP codes are in Hannibal, MO?

Hannibal, MO has 1 ZIP code.

What ZIP code should I use when sending mail to the Mark Twain Museum in downtown Hannibal?

The Mark Twain Museum, located in the historic downtown district of Hannibal, uses ZIP code 63401.

What is the ZIP code for the Hannibal riverfront area and historic district along the Mississippi River?

The Hannibal riverfront and historic downtown area are served by ZIP code 63401, which covers the entire city.