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    Zip Code 63010

    Arnold, Missouri — Jefferson County

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    📍 ZIP code 63010 is in Arnold, Jefferson County, Missouri.

    ZIP code 63010 is located in Arnold, Jefferson County, Missouri. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 34,405. The area code for ZIP code 63010 is 314.

    Quick Answer

    Zip code 63010 is in Arnold, Missouri (Jefferson County). It has a population of 34,405, median household income of $76,839, and median home value of $214,100.

    Population

    34,405

    Income

    $76,839

    Home Value

    $214,100

    Climate

    88°F / 22°F

    About Zip Code 63010

    Zip code 63010 is located in Arnold, Missouri, within Jefferson County. Home to approximately 34,405 residents, this area sits at an elevation of 464 ft and falls within the Central (CST/CDT) timezone. The local area code is 314.

    The median household income is $76,839 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $214,100, and the cost of living index is 82 (18% below the national average of 100).

    Summers average a high of 88°F while winters drop to 22°F. The area receives about 44 in of rain and 9 in of snow annually. The zip code covers 21.7 square miles of land area and 0.6 square miles of water.

    Key Statistics

    Population

    34,405

    Median Income

    $76,839

    Median Home Value

    $214,100

    Timezone

    Central (CST/CDT)

    Area Code

    314

    Elevation

    464 ft

    Land Area

    21.7 sq mi

    Median Age

    39.8

    Housing Units

    14,854

    Compare With Nearby Zip Codes

    Metric630106305263128631296302663012
    CityArnold, MOImperial, MOSaint Louis, MOSaint Louis, MOFenton, MOBarnhart, MO
    Population34,40528,74130,10651,35645,26710,977
    Median Income$76,839$95,891$87,266$91,920$96,145$99,860
    Home Value$214,100$259,400$319,700$278,800$281,900$228,500
    Cost of Living829711010510698
    Median Age39.838.9484541.237.1

    Cost of Living

    Cost of Living Index82

    100 = National Average. Arnold's cost of living is 18% below the national average.

    vs. State Avg

    Below

    Affordability

    Affordable

    Income-to-Home

    2.8x

    Demographics

    Zip code 63010 has a population of 34,405 people with a median age of 39.8. There are 14,854 housing units in this area.

    Racial & Ethnic Composition

    white90%
    black1%
    hispanic2%
    asian1%
    other6%

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

    Population History

    Arnold (63010) population trend from 2010 to 2024

    ↓ -36.4%
    2010201220142016201820202022202412k27k57k

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

    Climate & Weather

    Summer High

    88°F

    Winter Low

    22°F

    Annual Rainfall

    44 in

    Annual Snowfall

    9 in

    Arnold experiences warm summers with average highs around 88°F. Winters are cool with lows averaging 22°F. The area receives about 9 in of snow per year.

    Housing & Economy

    Median Home Value

    $214,100

    Median Household Income

    $76,839

    With 14,854 housing units across 21.7 square miles, 63010 has a housing density of 685 units per square mile. The home price-to-income ratio is 2.8x.

    Location & Geography

    Latitude

    38.4304°

    Longitude

    -90.3921°

    Land Area

    21.7 sq mi

    Water Area

    0.6 sq mi

    38.4304, -90.3921Open in Google Maps →

    Nearby Zip Codes

    Zip codes closest to 63010 (Arnold, MO) with distances:

    Find zip codes near your location →

    ZIP Codes with Similar Income Nationwide

    The five U.S. ZIP codes whose median household income is closest to 63010's $76,839. A way to compare Arnold 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 63010 (Arnold, 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 Arnold, Missouri?

    Arnold, Missouri uses zip code 63010.

    What county is zip code 63010 in?

    Zip code 63010 is located in Jefferson County, Missouri.

    What is the population of zip code 63010?

    The population of zip code 63010 is 34,405 with a median age of 39.8.

    Is 63010 in Arnold, Missouri?

    Yes, zip code 63010 is in Arnold, Jefferson County, Missouri. The area code is 314.

    Frequently Asked Questions

    What city is zip code 63010 in?

    Zip code 63010 is in Arnold, Missouri. It is part of Jefferson County and uses the Central (CST/CDT) timezone.

    What is zip code 63010?

    Zip code 63010 is a U.S. postal code in Arnold, Missouri (Jefferson County). It has a population of 34,405 and covers 21.7 square miles.

    What is the population of zip code 63010?

    The population of zip code 63010 (Arnold, MO) is 34,405 with a median age of 39.8. There are approximately 14,854 housing units in this area.

    What is the median income in zip code 63010?

    The median household income in zip code 63010 (Arnold, MO) is $76,839 per year. The cost of living index is 82 (100 = national average).

    What is the average home price in zip code 63010?

    The median home value in zip code 63010 (Arnold, MO) is $214,100. The cost of living index is 82 compared to the national average of 100.

    What county is zip code 63010 in?

    Zip code 63010 is located in Jefferson County, Missouri. The primary city is Arnold.

    What is the area code for zip code 63010?

    Zip code 63010 in Arnold, MO uses area code 314. It is located in the Central (CST/CDT) timezone.

    Is zip code 63010 a good place to live?

    Zip code 63010 (Arnold, MO) has a cost of living index of 82 (100 = national average), a median household income of $76,839, and median home values of $214,100. The median age is 39.8. Visit the full page for demographics, climate, and nearby zip code comparisons.

    What is the cost of living in zip code 63010?

    The cost of living index for zip code 63010 (Arnold, MO) is 82, where 100 represents the national average. This area is below the national average. Median home value: $214,100.

    What schools serve zip code 63010?

    Zip code 63010 in Arnold, Missouri is served by the local school district of Jefferson 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