Postal Codes

63664 ZIP Code

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ZIP code 63664 covers Potosi, Missouri, with a population of about 9,060 and a median household income of $52,071.

Population
9,06031 per square mile
Median age
39.91.2 points above the US average
Median household income
$52,07124% below the Missouri median
Poverty rate
19%6.6 points above the US average
Typical home value
$197,066up 21.4% in five years
Median rent
$65934% below the Missouri median
Degree or higher
15.9%19.1 points below the US average
Homeownership
71.6%6.6 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
215

Where 63664 is

Potosi, 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

Population9,060
Median age39.9
Family households68.8%
Born outside the US0.4%
Speaks a language other than English at home1.5%
White (non-Hispanic)90.5%
Black (non-Hispanic)0.2%
Asian (non-Hispanic)0.2%
Hispanic or Latino1.7%
Veterans7.4%
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$52,071
Income per person$27,320
Poverty rate19%
Households on SNAP or cash assistance22.5%

Household income distribution

Under $10k7.5%
$10–15k8.0%
$15–20k5.5%
$20–25k3.7%
$25–30k3.8%
$30–35k5.8%
$35–40k4.1%
$40–45k4.6%
$45–50k3.0%
$50–60k9.8%
$60–75k8.0%
$75–100k15.8%
$100–125k8.3%
$125–150k4.2%
$150–200k6.1%
$200k or more1.8%

Income as declared to the IRS

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

Tax returns filed3,390
Mean adjusted gross income$50,984
Returns declaring $200,000 or more1.5%
Returns, under $25k35.1%
Returns, $25k–$50k28.0%
Returns, $50k–$75k15.9%
Returns, $75k–$100k9.1%
Returns, $100k–$200k10.3%
Returns, $200k or more1.5%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$122,800
Median gross rent$659
Rent as a share of household income32.1%
Owner-occupied71.6%
Vacant homes11.7%
Median year built1978

What the homes are

Detached house67.4%
Attached house1.1%
2 to 4 units10.8%
5 to 19 units1.6%
Mobile home19.1%
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$197,066as of 2026-07
Typical home value, 1 yearup 4.1%
Typical home value, 5 yearsup 21.4%
Typical home value, 10 yearsup 145.6%
Typical home value since 2000
201420202026$197,066$62,902

$62,902 in 2014 to $197,066 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3.6%
Bachelor's degree or higher15.9%
High school diploma or higher83.4%
Works from home3.8%
Drives to work alone80.5%
Takes public transport0%
Commutes 45 minutes or more31.2%
Health

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

Obesity40.6% 7.2 pts above the national average of 33.4%
Diagnosed diabetes14.5% 2.5 pts above the national average of 12%
Currently smokes21.7% 8.5 pts above the national average of 13.2%
High blood pressure40.4% 6.3 pts above the national average of 34.1%
Fair or poor general health26.6% 6.3 pts above the national average of 20.3%
No health insurance (18–64)10.6% 0.7 pts below the national average of 11.3%
Depression26.7% 4.8 pts above the national average of 21.9%
No leisure-time physical activity34.7% 9.3 pts above the national average of 25.4%
Arthritis33.2% 8.1 pts above the national average of 25.1%
Binge drinking15.2% 0.8 pts below the national average of 16%
Taking blood pressure medication78.7% 4 pts above the national average of 74.7%
Cancer (non-skin)9.4% 1.7 pts above the national average of 7.7%
Current asthma11.5% 1.1 pts above the national average of 10.4%
Coronary heart disease8.9% 2.7 pts above the national average of 6.2%
Routine check-up in past year78.1% 1.4 pts above the national average of 76.7%
Cholesterol screening82.2% 3.7 pts below the national average of 85.9%
Cognitive disability21.2% 6.4 pts above the national average of 14.8%
Colorectal screening60.6% 3.7 pts below the national average of 64.3%
COPD11.9% 5.3 pts above the national average of 6.6%
Visited a dentist53.3% 8 pts below the national average of 61.3%
Any disability43% 12.3 pts above the national average of 30.7%
Lacks emotional support20.3% 4.5 pts below the national average of 24.8%
Food insecurity17.7% 0.6 pts above the national average of 17.1%
Received food stamps15.5% 1.2 pts above the national average of 14.3%
Hearing disability10.6% 3.9 pts above the national average of 6.7%
High cholesterol39.6% 3.4 pts above the national average of 36.2%
Housing insecurity13.6% same as the national average of 13.8%
Independent living disability12.2% 3.8 pts above the national average of 8.4%
Lacks transport10.2% 1 pts above the national average of 9.2%
Loneliness31.9% 2.5 pts below the national average of 34.4%
Mammography use70.7% 5.2 pts below the national average of 75.9%
Poor mental health (14+ days)19.8% 3 pts above the national average of 16.8%
Mobility disability20.8% 6.8 pts above the national average of 14%
Poor physical health (14+ days)17.8% 4.3 pts above the national average of 13.5%
Self-care disability5.5% 1.5 pts above the national average of 4%
Utility shut-off threat10.4% 1.6 pts above the national average of 8.8%
Sleeps under 7 hours41.6% 5.2 pts above the national average of 36.4%
Stroke4.7% 1.3 pts above the national average of 3.4%
All natural teeth lost21.9% 8.9 pts above the national average of 13%
Vision disability6.9% 1.3 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments215
People employed2,292
Annual payroll$76,816,000
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 93.9% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 5 census tracts this ZIP code covers
Expected annual loss90.9 out of 100
Community resilience13.4 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 wave99.4Very High at its worst in this ZIP code
Cold wave98.8Very High at its worst in this ZIP code
Strong wind96.2Very High at its worst in this ZIP code
Landslide95Relatively Moderate at its worst in this ZIP code
River flooding88.5Relatively High at its worst in this ZIP code
Tornado87.7Very High at its worst in this ZIP code
Wildfire85.4Relatively Low at its worst in this ZIP code
Ice storm83.9Relatively Moderate at its worst in this ZIP code
Hail82.5Relatively Moderate at its worst in this ZIP code
Earthquake82.1Relatively High at its worst in this ZIP code
Lightning81Relatively High at its worst in this ZIP code
Winter weather79.5Relatively High at its worst in this ZIP code
Drought75.6Relatively Low at its worst in this ZIP code
Hurricane42.3Very 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$52,071$68,920$78,538
Income per person$27,320$38,497$43,289
Poverty rate19%12.6%12.4%
Median home value$122,800$215,600$303,400
Median gross rent$659$996$1,348
Homeownership71.6%67.9%65%
Bachelor's degree or higher15.9%31.9%35%
Unemployment rate3.6%4.1%5.2%
Works from home3.8%11.6%13.5%
Born outside the US0.4%4.4%13.9%
Median age39.938.938.7
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 stationPOTOSI 4 SW, MO US6.6 km away
Rain in a year45 in
Snow in a year12 in

Average high and low by month

January39.6°F / 21.4°F2.84 in rain, 3.6 in snow
February45.3°F / 25.2°F2.69 in rain, 2.9 in snow
March55.1°F / 33.5°F4.09 in rain, 1.9 in snow
April66.3°F / 44.3°F5.11 in rain
May74°F / 54.1°F5.29 in rain
June81.9°F / 62.8°F4.15 in rain
July86°F / 66.7°F3.64 in rain
August85.2°F / 65°F4 in rain
September77.8°F / 56.9°F3.89 in rain
October67.5°F / 46.2°F3.07 in rain
November54.1°F / 35.3°F3.72 in rain, 0.7 in snow
December43.4°F / 26.4°F2.97 in rain, 2.4 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 supermarket93% of this ZIP code's area
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarket6% 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 3 school districts, so the address decides which one, not the ZIP code.

Potosi R-III School District64.4% of this ZIP code's land area
Valley R-VI School District26.5% of this ZIP code's land area
Crawford County R-I School District8.2% 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 vulnerability54more vulnerable than 54% of US census tracts
Socioeconomic status58more vulnerable than 58% of US census tracts
Household characteristics78more vulnerable than 78% of US census tracts
Racial and ethnic minority status13more vulnerable than 13% of US census tracts
Housing type and transport40more vulnerable than 40% of US census tracts
Walkability4 out of 20Least walkable
Nearby ZIP codes

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

63630 Cadet, MO10.7 km away
63660 Mineral Point, MO11.6 km away
63674 Tiff, MO18 km away
63622 Belgrade, MO18.5 km away
63648 Irondale, MO18.8 km away
63071 Richwoods, MO21.7 km away
63626 Blackwell, MO21.7 km away
63631 Caledonia, MO23 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.

Washington County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area287.67 sq mi
Water area1.01 sq mi
Population density31 people per sq mi
Latitude, longitude37.9549, -90.8415

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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