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Missouri ZIP Codes
Washington County
Tiff, MO
63674
63674 ZIP Code — Tiff, MO
Washington County, Missouri
ZIP code 63674 is located in
Tiff ,
Missouri ,
within Washington County .
It covers approximately 2.90 square miles and serves a population of
24 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 573 .
63674 ZIP code map
View map of 63674
Cities in ZIP code 63674
Below are the cities the US Postal Service accepts for ZIP code 63674. Using any city not on this list may result in mail delivery delays.
City
Status
Tiff
Acceptable
Demographics
updated 05/2026
Population
Total population
24
Population density
8 / sq mi
State FIPS
29
County FIPS
221
Geography
Land area
2.90 sq mi
Water area
0.02 sq mi
Latitude
38.0338
Longitude
-90.6603
Timezone
Central (CT)
Area code
573
Demographics & statistics
$0
Median household income
Age distribution
Age summary
Group Count %
Under 18 0 0.0%
18 and over 24 100.0%
65 and over 0 0.0%
Median age 0.0 years
Race & ethnicity
Household income
Range % of households
$25k–$35k 100.0%
Median income $0
Housing
Housing overview
Metric Value
Median home value $0
Median rent / month $0
Owner occupied 100.0%
Renter occupied 0.0%
Vacant 0.0%
Single-family detached 100.0%
Large apartment buildings 0.0%
Mobile homes 0.0%
Median rooms 0.0
Avg household size (owned) 0.00
Year built
Era %
2020 or later 0.0%
2010–2019 0.0%
2000–2009 0.0%
1990–1999 0.0%
1980–1989 100.0%
1970–1979 0.0%
1960–1969 0.0%
1950–1959 0.0%
1940–1949 0.0%
1939 or earlier 0.0%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 0.0%
2 bedrooms 0.0%
3 bedrooms 100.0%
4 bedrooms 0.0%
5+ bedrooms 0.0%
Vehicles per household
Vehicles % of households
No vehicle 0.0%
1 vehicle 100.0%
2 vehicles 0.0%
3 or more 0.0%
Heating fuel
Fuel type %
Electricity 100.0%
Households & families
Household type Count %
Married-couple family 0 0.0%
Cohabiting couple 0 0.0%
Male householder, no spouse 0 0.0%
Female householder, no spouse 24 100.0%
Households with children under 18 0 0.0%
Households with seniors (65+) 0 0.0%
Average household size 0.00
Marital status
Status Male Female
Never married 0.0% 0.0%
Married 0.0% 0.0%
Separated 0.0% 0.0%
Widowed 0.0% 100.0%
Divorced 0.0% 0.0%
Education
Some college, no degree
0.0%
Graduate / professional
0.0%
Metric %
HS diploma or higher 100.0%
Bachelor's or higher 0.0%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 0 0.0%
Kindergarten 0 0.0%
Elementary school 0 0.0%
High school 0 0.0%
College / grad school 0 0.0%
Employment
Industry of employment
Occupation
Category %
Management, business & arts 0.0%
Service 0.0%
Sales & office 0.0%
Natural resources & construction 0.0%
Production & transportation 0.0%
Employment type
Type %
Private sector 0.0%
Government 0.0%
Self-employed 0.0%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 0.0%
Carpool 0.0%
Public transit 0.0%
Walk 0.0%
Work from home 0.0%
Other means 0.0%
Avg commute (minutes) 0.0
Poverty
Married-couple families
0.0%
Female-led households
0.0%
Income support
Source % of households
Social Security 100.0%
Retirement income 100.0%
Supplemental Security 0.0%
Cash public assistance 0.0%
Food stamps / SNAP 0.0%
Health indicators
Condition %
Obesity 43.2%
High blood pressure 37.6%
High cholesterol 36.7%
Diabetes 13.1%
Heart disease 8.5%
Stroke 4.3%
Asthma 11.0%
Arthritis 32.0%
Kidney disease 3.6%
Pulmonary disease 12.0%
Cancer 6.6%
Behavior / access %
Smoking 28.7%
Binge drinking 16.6%
No physical activity 31.9%
Less than 7 hrs sleep 36.2%
Depression 26.4%
Fair or poor health 23.0%
Poor mental health 18.2%
Poor physical health 15.9%
No health insurance 18.9%
Visited doctor (checkup) 73.4%
Visited dentist 49.6%
Cholesterol screening 86.3%
Teeth loss 27.0%
Veterans & disability
Veterans Count %
Civilian veterans 0 0.0%
Disability %
Any disability 100.0%
Under 18 0.0%
18–64 years 100.0%
65 and over 0.0%
Health insurance coverage
Type %
Private insurance 100.0%
Public insurance 100.0%
No insurance 0.0%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 24 100.0%
Spanish 0 0.0%
Other Indo-European 0 0.0%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 24 100.0%
Born in same state 24 100.0%
Born in different state 24 100.0%
Foreign born 0 0.0%
Naturalized citizen 0 0.0%
Not a US citizen 0 0.0%
Technology access
Metric % of households
Computer access 100.0%
Internet access 100.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 63674
What city is ZIP code 63674 in?
ZIP code 63674 is primarily assigned to Tiff, Missouri.
What county is ZIP code 63674 in?
ZIP code 63674 falls within Washington County, Missouri.
Does ZIP code 63674 have a large retiree population?
100% of households in ZIP code 63674 receive Social Security income, suggesting a significant retiree or disability population.
What is the population of ZIP code 63674?
ZIP code 63674 has an estimated population of 24 residents, with a density of 8 people per square mile.
What timezone is ZIP code 63674 in?
ZIP code 63674 observes the CST timezone.
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