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    Zip Code 63401

    Hannibal, Missouri — Marion County

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    📍 ZIP code 63401 is in Hannibal, Marion County, Missouri.

    ZIP code 63401 is located in Hannibal, Marion County, Missouri. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 21,125. The area code for ZIP code 63401 is 636.

    Quick Answer

    Zip code 63401 is in Hannibal, Missouri (Marion County). It has a population of 21,125, median household income of $60,483, and median home value of $144,400.

    Population

    21,125

    Income

    $60,483

    Home Value

    $144,400

    Climate

    86°F / 18°F

    About Zip Code 63401

    Zip code 63401 is located in Hannibal, Missouri, within Marion County. Home to approximately 21,125 residents, this area sits at an elevation of 570 ft and falls within the Central (CST/CDT) timezone. The local area code is 636.

    The median household income is $60,483 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $144,400, and the cost of living index is 63 (37% below the national average of 100).

    Summers average a high of 86°F while winters drop to 18°F. The area receives about 41 in of rain and 7 in of snow annually. The zip code covers 104.4 square miles of land area and 2.4 square miles of water.

    Key Statistics

    Population

    21,125

    Median Income

    $60,483

    Median Home Value

    $144,400

    Timezone

    Central (CST/CDT)

    Area Code

    636

    Elevation

    570 ft

    Land Area

    104.4 sq mi

    Median Age

    40

    Housing Units

    9,700

    Compare With Nearby Zip Codes

    Metric634016345963461623436236063436
    CityHannibal, MOCenter, MOPalmyra, MOHull, ILPayson, ILCenter, MO
    Population21,1254,7365,3557261,5401,109
    Median Income$60,483$63,462$68,633$59,508$58,427$63,500
    Home Value$144,400$158,000$176,500$96,500$126,300$175,600
    Cost of Living636669606064
    Median Age4044.239.841.244.951.4

    Cost of Living

    Cost of Living Index63

    100 = National Average. Hannibal's cost of living is 37% below the national average.

    vs. State Avg

    Below

    Affordability

    Very Affordable

    Income-to-Home

    2.4x

    Demographics

    Zip code 63401 has a population of 21,125 people with a median age of 40. There are 9,700 housing units in this area.

    Racial & Ethnic Composition

    white88%
    black6%
    hispanic3%
    asian0%
    other3%

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

    Population History

    Hannibal (63401) population trend from 2010 to 2024

    ↑ 44.5%
    2010201220142016201820202022202413k16k18k22k

    Source: U.S. Census Bureau estimates and American Community Survey data.

    Climate & Weather

    Summer High

    86°F

    Winter Low

    18°F

    Annual Rainfall

    41 in

    Annual Snowfall

    7 in

    Hannibal experiences warm summers with average highs around 86°F. Winters are cold with lows averaging 18°F. The area receives about 7 in of snow per year.

    Housing & Economy

    Median Home Value

    $144,400

    Median Household Income

    $60,483

    With 9,700 housing units across 104.4 square miles, 63401 has a housing density of 93 units per square mile. The home price-to-income ratio is 2.4x.

    Location & Geography

    Latitude

    39.6907°

    Longitude

    -91.4566°

    Land Area

    104.4 sq mi

    Water Area

    2.4 sq mi

    39.6907, -91.4566Open in Google Maps →

    Nearby Zip Codes

    Zip codes closest to 63401 (Hannibal, MO) with distances:

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    ZIP Codes with Similar Income Nationwide

    The five U.S. ZIP codes whose median household income is closest to 63401's $60,483. A way to compare Hannibal to economically similar communities elsewhere in the country.

    Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.

    ZIP Codes with Similar Demographics

    The five U.S. ZIP codes whose racial and ethnic composition most closely matches 63401 (Hannibal, MO). Similarity is measured by cosine distance on the five-category ACS demographic vector.

    Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.

    Explore Missouri

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    People Also Ask

    What zip code is Hannibal, Missouri?

    Hannibal, Missouri uses zip code 63401.

    What county is zip code 63401 in?

    Zip code 63401 is located in Marion County, Missouri.

    What is the population of zip code 63401?

    The population of zip code 63401 is 21,125 with a median age of 40.

    Is 63401 in Hannibal, Missouri?

    Yes, zip code 63401 is in Hannibal, Marion County, Missouri. The area code is 636.

    Frequently Asked Questions

    What city is zip code 63401 in?

    Zip code 63401 is in Hannibal, Missouri. It is part of Marion County and uses the Central (CST/CDT) timezone.

    What is zip code 63401?

    Zip code 63401 is a U.S. postal code in Hannibal, Missouri (Marion County). It has a population of 21,125 and covers 104.4 square miles.

    What is the population of zip code 63401?

    The population of zip code 63401 (Hannibal, MO) is 21,125 with a median age of 40. There are approximately 9,700 housing units in this area.

    What is the median income in zip code 63401?

    The median household income in zip code 63401 (Hannibal, MO) is $60,483 per year. The cost of living index is 63 (100 = national average).

    What is the average home price in zip code 63401?

    The median home value in zip code 63401 (Hannibal, MO) is $144,400. The cost of living index is 63 compared to the national average of 100.

    What county is zip code 63401 in?

    Zip code 63401 is located in Marion County, Missouri. The primary city is Hannibal.

    What is the area code for zip code 63401?

    Zip code 63401 in Hannibal, MO uses area code 636. It is located in the Central (CST/CDT) timezone.

    Is zip code 63401 a good place to live?

    Zip code 63401 (Hannibal, MO) has a cost of living index of 63 (100 = national average), a median household income of $60,483, and median home values of $144,400. The median age is 40. Visit the full page for demographics, climate, and nearby zip code comparisons.

    What is the cost of living in zip code 63401?

    The cost of living index for zip code 63401 (Hannibal, MO) is 63, where 100 represents the national average. This area is below the national average. Median home value: $144,400.

    What schools serve zip code 63401?

    Zip code 63401 in Hannibal, Missouri is served by the local school district of Marion County. For specific school information, check your state's department of education or GreatSchools.org.

    All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.

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    Data Sources

    Population, income, housing, age, and demographics
    U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
    ZIP to city and county mapping
    USPS and HUD-USPS ZIP-County Crosswalk.
    Time zones and area codes
    IANA tz database and NANPA.
    Elevation
    U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
    Last refreshed
    2026-05-18.

    Methodology