Potosi, MO · standard
ZIP Code 63664
Washington County, Missouri - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 8,920
- 12/sq mi Low-density area
- $61,216
- Median income Below-median income area
- $125,100
- Median home value Below-median home value
- 13.7%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
Potosi pairs a below-median household income with among the most affordable home values nationally, in a rural, homeowner-dominated area.
- 31st pct
- household income, US ZIPs
- 19th pct
- home value, US ZIPs
- 12
- people per sq mi
- 73%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 63664 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 63664 (Potosi, MO) rose +3.3% from 2023 to 2024.
ZIP code 63664 is a mid-sized community (a standard USPS delivery area) in Potosi, Washington County, Missouri, home to 8,920 residents across 762.4 square miles, a density of 12 people per square mile, in the Chicago time zone.
ZIP 63664 reports a modest median household income of $61,216 (8% below the average Missouri ZIP), while per-capita income is $27,198. The poverty rate is 18.6%, with unemployment at 3.0%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $125,100 (35% below the average Missouri ZIP), and median rent is $676; owner occupancy is 73.2%.
Formal educational attainment runs low here: just 13.7% of adults hold a bachelor's degree or higher, the median age is 36.9, and the average commute is 37 minutes. The page also surfaces 1 ZIP codes within roughly 10 miles and 6 more in Washington County, so 63664 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 63664
Top 5 sectors by establishment count in Potosi, MO
Which industries have the most business establishments in ZIP 63664.
- Retail trade
Retail trade
35 establishments
- Health care and social assistance
Health care and social assistance
31 establishments
- Other services (except public administration)
Other services (except public administration)
27 establishments
- Construction
Construction
20 establishments
- Accommodation and food services
Accommodation and food services
17 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 63664, Potosi, MO · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
8,920
Population
762.4
Area (sq mi)
12
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 63664?
36.9
Median Age
51.0%
Male
49.0%
Female
0.3%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$61,216
Median Household Income
-8% vs state ZIP avg
$27,198
Per Capita Income
18.6%
Poverty Rate
3.0%
Unemployment Rate
36.6 min
Mean Commute Time
How ZIP 63664 ranks among Missouri ZIPs
Potosi, MO household income vs. every Missouri ZIP code
Median household income among 948 reporting Missouri ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$61,216 48th percentile higher than 48% of 948 Missouri ZIPs
Each bar is a $20K-wide band; taller bars hold more Missouri ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
4,121housing units
4,121
Total Housing Units
3,658
Occupied Units
463
Vacant Units
2.60
Avg Household Size
Occupancy Type
$125,100
Median Home Value
-35% vs state ZIP avg
$676
Median Rent
1980
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 207 business establishments in ZIP 63664, employing approximately 2,331 people with a combined annual payroll of $88,585,000.
207
Businesses
2,331
Employees
$88.6M
Annual Payroll
13
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Retail trade | 35 | 16.9% |
| Health care and social assistance | 31 | 15.0% |
| Other services (except public administration) | 27 | 13.0% |
| Construction | 20 | 9.7% |
| Accommodation and food services | 17 | 8.2% |
| Finance and insurance | 16 | 7.7% |
| Professional, scientific, and technical services | 13 | 6.3% |
| Transportation and warehousing | 10 | 4.8% |
| Manufacturing | 9 | 4.3% |
| Real estate and rental and leasing | 9 | 4.3% |
| Information | 5 | 2.4% |
| Administrative and support and waste management and remediation services | 5 | 2.4% |
| Arts, entertainment, and recreation | 4 | 1.9% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 63664 vs 63622 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 63622 | Belgrade, MO | 1,011 | 8.6 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 63664, both outside MO so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (8,920 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Washington County
Related Areas
Frequently Asked Questions
What county is ZIP code 63664 in?
ZIP code 63664 (Potosi) is located in Washington County, Missouri. Washington County contains multiple ZIP codes, see the full list at /counties/washington-mo.
What is the population of ZIP code 63664?
ZIP code 63664 in Potosi, MO has a population of 8,920 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 63664?
The median household income in ZIP 63664 is $61,216, which is 20% below the national average of $76,288.
What is the average home value in ZIP 63664?
The median home value in ZIP 63664 is $125,100, which is 55% below the national average of $278,155.
What is the demographic makeup of ZIP 63664?
The largest racial group in ZIP 63664 is White at 92.1%. Hispanic or Latino residents make up 1.6% of the population.
How many businesses are in ZIP code 63664?
ZIP code 63664 has 207 business establishments employing approximately 2,331 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 63664?
The top industries by establishment count in ZIP 63664 are: Retail trade (35), Health care and social assistance (31), Other services (except public administration) (27). There are 13 industry sectors represented in total.
What is the education level in ZIP code 63664?
In ZIP code 63664, 55.3% of residents aged 25+ have a high school diploma or higher, and 13.7% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 63664?
The mean commute time for workers in ZIP code 63664 is 36.6 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 63664?
In ZIP code 63664, approximately 73.2% of occupied housing units are owner-occupied and 26.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 63664?
The poverty rate in ZIP code 63664 is 18.6% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 63664's numbers, next.
- See how ZIP 63664 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Potosi, MO ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.