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North Carolina ZIP Codes
Graham County
Fontana Dam, NC
28733
28733 ZIP Code — Fontana Dam, NC
Graham County, North Carolina
ZIP code 28733 is located in
Fontana Dam ,
North Carolina ,
within Graham County .
It covers approximately 12.32 square miles and serves a population of
56 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 828 .
28733 ZIP code map
View map of 28733
Cities in ZIP code 28733
Below are the cities the US Postal Service accepts for ZIP code 28733. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
56
Population density
5 / sq mi
State FIPS
37
County FIPS
075
Geography
Land area
12.32 sq mi
Water area
2.36 sq mi
Latitude
35.4333
Longitude
-83.8140
Timezone
Eastern (ET)
Area code
828
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
42.1%
60.6%
44.4%
$50k – $100k
31.6%
24.6%
30.6%
$100k – $200k
26.3%
12.6%
19.1%
Over $200k
0.0%
2.1%
6.0%
Demographics & statistics
$140,132
Median household income
$271,100
Median home value
10.2%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 7 12.5%
18 and over 49 87.5%
65 and over 45 80.4%
Median age 72.3 years
Race & ethnicity
Household income
Income range
This ZIP
County avg
State avg
Under $50k
42.1%
60.6%
44.4%
$50k – $100k
31.6%
24.6%
30.6%
$100k – $200k
26.3%
12.6%
19.1%
Over $200k
0.0%
2.1%
6.0%
Range % of households
Under $10k 13.9%
$100k–$150k 86.1%
Median income $140,132
Housing
Housing overview
Metric Value
Median home value $271,100
Median rent / month $0
Owner occupied 88.9%
Renter occupied 11.1%
Vacant 85.3%
Single-family detached 96.7%
Large apartment buildings 0.0%
Mobile homes 0.0%
Median rooms 4.0
Avg household size (owned) 1.41
Year built
Era %
2020 or later 0.0%
2010–2019 2.0%
2000–2009 12.7%
1990–1999 9.4%
1980–1989 15.9%
1970–1979 29.8%
1960–1969 9.0%
1950–1959 4.9%
1940–1949 16.3%
1939 or earlier 0.0%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 18.8%
2 bedrooms 55.1%
3 bedrooms 26.1%
4 bedrooms 0.0%
5+ bedrooms 0.0%
Vehicles per household
Vehicles % of households
No vehicle 0.0%
1 vehicle 63.9%
2 vehicles 36.1%
3 or more 0.0%
Heating fuel
Fuel type %
Electricity 77.8%
Fuel oil 22.2%
Households & families
Household type Count %
Married-couple family 13 36.1%
Cohabiting couple 0 0.0%
Male householder, no spouse 19 52.8%
Female householder, no spouse 4 11.1%
Households with children under 18 4 11.1%
Households with seniors (65+) 32 88.9%
Average household size 1.56
Marital status
Status Male Female
Never married 0.0% 23.5%
Married 40.6% 76.5%
Separated 0.0% 0.0%
Widowed 0.0% 0.0%
Divorced 59.4% 0.0%
Education
Less than 9th grade
16.3%
Some college, no degree
20.4%
Graduate / professional
0.0%
Metric %
HS diploma or higher 83.7%
Bachelor's or higher 10.2%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 0 0.0%
Kindergarten 0 0.0%
Elementary school 7 100.0%
High school 0 0.0%
College / grad school 0 0.0%
Employment
Industry of employment
Transportation & utilities
82.6%
Arts, food & hospitality
17.4%
Occupation
Category %
Management, business & arts 17.4%
Service 0.0%
Sales & office 0.0%
Natural resources & construction 0.0%
Production & transportation 82.6%
Employment type
Type %
Private sector 100.0%
Government 0.0%
Self-employed 0.0%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 17.4%
Carpool 0.0%
Public transit 0.0%
Walk 0.0%
Work from home 0.0%
Other means 82.6%
Avg commute (minutes) 0.0
Poverty
Married-couple families
38.5%
Female-led households
0.0%
Income support
Source % of households
Social Security 88.9%
Retirement income 36.1%
Supplemental Security 0.0%
Cash public assistance 0.0%
Food stamps / SNAP 0.0%
Health indicators
Condition %
Obesity 0.0%
High blood pressure 0.0%
High cholesterol 0.0%
Diabetes 0.0%
Heart disease 0.0%
Stroke 0.0%
Asthma 0.0%
Arthritis 0.0%
Kidney disease 0.0%
Pulmonary disease 0.0%
Cancer 0.0%
Behavior / access %
Smoking 0.0%
Binge drinking 0.0%
No physical activity 0.0%
Less than 7 hrs sleep 0.0%
Depression 0.0%
Fair or poor health 0.0%
Poor mental health 0.0%
Poor physical health 0.0%
No health insurance 0.0%
Visited doctor (checkup) 0.0%
Visited dentist 0.0%
Cholesterol screening 0.0%
Teeth loss 0.0%
Veterans & disability
Veterans Count %
Civilian veterans 5 10.2%
Disability %
Any disability 26.8%
Under 18 0.0%
18–64 years 0.0%
65 and over 33.3%
Health insurance coverage
Type %
Private insurance 71.4%
Public insurance 80.4%
No insurance 19.6%
Uninsured under 19 100.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 56 100.0%
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) 37 66.1%
Born in same state 37 66.1%
Born in different state 22 39.3%
Foreign born 0 0.0%
Naturalized citizen 19 33.9%
Not a US citizen 19 100.0%
Ancestry
Ancestry Count %
French 12 21.4%
Arab 11 19.6%
Ancestry Count %
Italian 6 10.7%
Technology access
Metric % of households
Computer access 64.3%
Internet access 100.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 28733
What city is ZIP code 28733 in?
ZIP code 28733 is primarily assigned to Fontana Dam, North Carolina.
What county is ZIP code 28733 in?
ZIP code 28733 falls within Graham County, North Carolina.
Does ZIP code 28733 have an older population?
80% of residents in ZIP code 28733 are 65 or older, above the national average of ~17%.
Does ZIP code 28733 have a large retiree population?
89% of households in ZIP code 28733 receive Social Security income, suggesting a significant retiree or disability population.
Is ZIP code 28733 mostly owner-occupied?
89% of occupied units in ZIP code 28733 are owner-occupied, well above the national average.
How educated is the population of ZIP code 28733?
10% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
What timezone is ZIP code 28733 in?
ZIP code 28733 observes the EST timezone.
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