Postal Codes

63357 ZIP Code

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ZIP code 63357 covers Marthasville, Missouri, with a population of about 6,593 and a median household income of $87,500.

Population
6,59354 per square mile
Median age
38.10.6 points below the US average
Median household income
$87,5001.3× the Missouri median
Poverty rate
6.6%5.8 points below the US average
Typical home value
$348,717up 21.6% in five years
Median rent
$85115% below the Missouri median
Degree or higher
24.5%10.5 points below the US average
Homeownership
89.9%24.9 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
101

Where 63357 is

Marthasville, Missouri — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population6,593
Median age38.1
Family households73.7%
Born outside the US0.4%
Speaks a language other than English at home2.2%
White (non-Hispanic)94.6%
Black (non-Hispanic)1.1%
Asian (non-Hispanic)1.9%
Hispanic or Latino1%
Veterans7%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$87,500
Income per person$35,107
Poverty rate6.6%
Households on SNAP or cash assistance6.2%

Household income distribution

Under $10k2.3%
$10–15k0.7%
$15–20k2.5%
$20–25k0.8%
$25–30k6.7%
$30–35k2.6%
$35–40k1.4%
$40–45k4.1%
$45–50k2.3%
$50–60k10.8%
$60–75k10.7%
$75–100k11.8%
$100–125k12.5%
$125–150k5.5%
$150–200k19.3%
$200k or more5.9%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed2,870
Mean adjusted gross income$85,111
Returns declaring $200,000 or more5.9%
Returns, under $25k24.4%
Returns, $25k–$50k20.6%
Returns, $50k–$75k13.9%
Returns, $75k–$100k12.2%
Returns, $100k–$200k23.0%
Returns, $200k or more5.9%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$242,500
Median gross rent$851
Rent as a share of household income26.6%
Owner-occupied89.9%
Vacant homes10.7%
Median year built1988

What the homes are

Detached house89.4%
Attached house0.8%
2 to 4 units6.5%
20 or more units0.1%
Mobile home3.2%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$348,717as of 2026-07
Typical home value, 1 yearup 0.6%
Typical home value, 5 yearsup 21.6%
Typical home value, 10 yearsup 58.9%
Typical home value since 2000
201520202026$348,717$201,335

$201,335 in 2015 to $348,717 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2.1%
Bachelor's degree or higher24.5%
High school diploma or higher96.7%
Works from home5.3%
Drives to work alone83.8%
Takes public transport0.2%
Commutes 45 minutes or more31.7%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity37.4% 4 pts above the national average of 33.4%
Diagnosed diabetes11.4% 0.6 pts below the national average of 12%
Currently smokes15% 1.8 pts above the national average of 13.2%
High blood pressure36.8% 2.7 pts above the national average of 34.1%
Fair or poor general health18.3% 2 pts below the national average of 20.3%
No health insurance (18–64)6.8% 4.5 pts below the national average of 11.3%
Depression24.3% 2.4 pts above the national average of 21.9%
No leisure-time physical activity27.4% 2 pts above the national average of 25.4%
Arthritis30.7% 5.6 pts above the national average of 25.1%
Binge drinking16.9% 0.9 pts above the national average of 16%
Taking blood pressure medication77.8% 3.1 pts above the national average of 74.7%
Cancer (non-skin)9.7% 2 pts above the national average of 7.7%
Current asthma10.4% same as the national average of 10.4%
Coronary heart disease6.7% 0.5 pts above the national average of 6.2%
Routine check-up in past year78.8% 2.1 pts above the national average of 76.7%
Cholesterol screening86.6% 0.7 pts above the national average of 85.9%
Cognitive disability15.5% 0.7 pts above the national average of 14.8%
Colorectal screening65.9% 1.6 pts above the national average of 64.3%
COPD7.7% 1.1 pts above the national average of 6.6%
Visited a dentist63.4% 2.1 pts above the national average of 61.3%
Any disability33.5% 2.8 pts above the national average of 30.7%
Lacks emotional support18.8% 6 pts below the national average of 24.8%
Food insecurity9.6% 7.5 pts below the national average of 17.1%
Received food stamps6.9% 7.4 pts below the national average of 14.3%
Hearing disability8.3% 1.6 pts above the national average of 6.7%
High cholesterol38.9% 2.7 pts above the national average of 36.2%
Housing insecurity9% 4.8 pts below the national average of 13.8%
Independent living disability7.9% 0.5 pts below the national average of 8.4%
Lacks transport6.3% 2.9 pts below the national average of 9.2%
Loneliness29.2% 5.2 pts below the national average of 34.4%
Mammography use76.4% 0.5 pts above the national average of 75.9%
Poor mental health (14+ days)16.5% same as the national average of 16.8%
Mobility disability14.6% 0.6 pts above the national average of 14%
Poor physical health (14+ days)14% 0.5 pts above the national average of 13.5%
Self-care disability3.4% 0.6 pts below the national average of 4%
Utility shut-off threat6.4% 2.4 pts below the national average of 8.8%
Sleeps under 7 hours35.9% 0.5 pts below the national average of 36.4%
Stroke3.4% same as the national average of 3.4%
All natural teeth lost10.6% 2.4 pts below the national average of 13%
Vision disability4.1% 1.5 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments101
People employed801
Annual payroll$40,085,000
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Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 86.2% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 4 census tracts this ZIP code covers
Expected annual loss91.4 out of 100
Community resilience61 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Heat wave96.4Very High at its worst in this ZIP code
Landslide96Relatively High at its worst in this ZIP code
River flooding93.5Very High at its worst in this ZIP code
Hail91Relatively High at its worst in this ZIP code
Strong wind88.1Relatively High at its worst in this ZIP code
Drought86.5Relatively Low at its worst in this ZIP code
Wildfire85.9Relatively Low at its worst in this ZIP code
Ice storm85.8Relatively Moderate at its worst in this ZIP code
Tornado76.5Relatively High at its worst in this ZIP code
Earthquake73.7Relatively Moderate at its worst in this ZIP code
Cold wave70.8Relatively High at its worst in this ZIP code
Winter weather69.2Relatively High at its worst in this ZIP code
Lightning58.9Relatively Moderate at its worst in this ZIP code
Hurricane26Very Low at its worst in this ZIP code
Compared with Missouri and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPMissouriUnited States
Median household income$87,500$68,920$78,538
Income per person$35,107$38,497$43,289
Poverty rate6.6%12.6%12.4%
Median home value$242,500$215,600$303,400
Median gross rent$851$996$1,348
Homeownership89.9%67.9%65%
Bachelor's degree or higher24.5%31.9%35%
Unemployment rate2.1%4.1%5.2%
Works from home5.3%11.6%13.5%
Born outside the US0.4%4.4%13.9%
Median age38.138.938.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationWASHINGTON, MO US19.6 km away
Rain in a year44 in
Snow in a year8 in

Average high and low by month

January39.9°F / 20.2°F2.52 in rain, 2.6 in snow
February45.4°F / 23.4°F2.52 in rain, 1.4 in snow
March55.8°F / 32.1°F3.66 in rain, 0.7 in snow
April67.3°F / 42.8°F4.57 in rain, 0.1 in snow
May75.8°F / 54.2°F5.3 in rain
June83.8°F / 63.6°F4.2 in rain
July88.3°F / 67°F4.19 in rain
August86.9°F / 64.9°F3.75 in rain
September79.5°F / 55.9°F3.71 in rain
October68.9°F / 43.6°F3.37 in rain
November55.3°F / 32.8°F3.67 in rain, 0.4 in snow
December44.5°F / 24.3°F2.64 in rain, 2.7 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarket90% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 5 school districts, so the address decides which one, not the ZIP code.

Washington School District54.1% of this ZIP code's land area
Warren County R-III School District31.1% of this ZIP code's land area
Wright City R-II of Warren County9.2% of this ZIP code's land area
Francis Howell R-III School District2.9% of this ZIP code's land area
Gasconade County R-I School District2.7% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability14more vulnerable than 14% of US census tracts
Socioeconomic status32more vulnerable than 32% of US census tracts
Household characteristics20more vulnerable than 20% of US census tracts
Racial and ethnic minority status7more vulnerable than 7% of US census tracts
Housing type and transport20more vulnerable than 20% of US census tracts
Walkability4.4 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

63378 Treloar, MO3.2 km away
63068 New Haven, MO10.9 km away
63342 Dutzow, MO14.4 km away
63014 Berger, MO16.2 km away
63090 Washington, MO16.4 km away
63383 Warrenton, MO17.2 km away
63380 Truesdale, MO17.9 km away
63390 Wright City, MO20.4 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Warren County96.2% of this ZIP code's land area
St. Charles County3.8% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area122.9 sq mi
Water area4.34 sq mi
Population density54 people per sq mi
Latitude, longitude38.6512, -91.1516

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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