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North Carolina ZIP Codes
Iredell County
Union Grove, NC
28689
28689 ZIP Code — Union Grove, NC
Iredell County, North Carolina
ZIP code 28689 is located in
Union Grove ,
North Carolina ,
within Iredell County .
It covers approximately 45.34 square miles and serves a population of
2,487 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 336/704 .
About ZIP code 28689
The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $138,400. Owner-occupancy is high at 75%, well above the national average.
Median household income is $69,853. SNAP benefit usage at 22% of households reflects economic stress in the area.
The dominant occupation class is production, transportation, and material moving, with education and healthcare as the leading industry. The average commute of 28 minutes is near the national average.
College attainment at 14% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of smoking (22%) compared to national benchmarks. 19% of residents lack health insurance, above the national average.
Overall, ZIP code 28689 reflects a community defined by a trades-oriented workforce, high homeownership, and elevated reliance on food assistance.
28689 ZIP code map
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Cities in ZIP code 28689
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
2,487
Population density
55 / sq mi
State FIPS
37
County FIPS
097
Geography
Land area
45.34 sq mi
Water area
0.17 sq mi
Latitude
36.0413
Longitude
-80.9172
Timezone
Eastern (ET)
Area code
336/704
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
34.2%
39.7%
44.4%
$50k – $100k
52.0%
32.3%
30.6%
$100k – $200k
11.5%
20.5%
19.1%
Over $200k
2.3%
7.4%
6.0%
Demographics & statistics
$69,853
Median household income
$138,400
Median home value
13.7%
Bachelor's or higher
Age distribution
Age summary
Group Count % Under 18 576 23.2% 18 and over 1,911 76.8% 65 and over 219 8.8% Median age 45.2 years
Race & ethnicity
Black or African American
2.4%
Group Count % White 1,835 65% Hispanic or Latino 338 12% Other race 338 12% Two or more races 246 8.7% Black or African American 68 2.4%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
34.2%
39.7%
44.4%
$50k – $100k
52.0%
32.3%
30.6%
$100k – $200k
11.5%
20.5%
19.1%
Over $200k
2.3%
7.4%
6.0%
Range % of households $10k–$15k 5.1% $15k–$25k 6.8% $25k–$35k 8.6% $35k–$50k 7.7% $50k–$75k 26.0% $75k–$100k 30.6% $100k–$150k 10.4% $150k–$200k 2.4% $200k+ 2.3% Median income $69,853
Housing
Housing overview
Metric Value Median home value $138,400 Median rent / month $918 Owner occupied 75.1% Renter occupied 24.9% Vacant 16.6% Single-family detached 57.9% Large apartment buildings 0.0% Mobile homes 37.9% Median rooms 5.9 Avg household size (owned) 2.83
Year built
Era % 2020 or later 0.0% 2010–2019 16.3% 2000–2009 22.7% 1990–1999 15.9% 1980–1989 18.8% 1970–1979 8.9% 1960–1969 9.1% 1950–1959 1.0% 1940–1949 2.0% 1939 or earlier 5.4%
Bedrooms
Size % of units No bedroom (studio) 0.0% 1 bedroom 0.0% 2 bedrooms 25.7% 3 bedrooms 58.8% 4 bedrooms 13.5% 5+ bedrooms 1.9%
Vehicles per household
Vehicles % of households No vehicle 4.8% 1 vehicle 13.5% 2 vehicles 34.4% 3 or more 47.3%
Heating fuel
Fuel type % Electricity 69.0% Propane / LP gas 20.7% Fuel oil 6.4% Wood 3.9%
Households & families
Household type Count % Married-couple family 598 76.9% Cohabiting couple 9 1.2% Male householder, no spouse 67 8.6% Female householder, no spouse 104 13.4% Households with children under 18 381 49.0% Households with seniors (65+) 162 20.8% Average household size 3.20
Marital status
Status Male Female Never married 26.9% 21.9% Married 66.9% 69.9% Separated 0.0% 0.0% Widowed 1.8% 4.8% Divorced 4.3% 3.4%
Education
Some college, no degree
8.8%
Graduate / professional
2.9%
Metric % HS diploma or higher 84.0% Bachelor's or higher 13.7%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 11 2.0% Kindergarten 24 4.3% Elementary school 199 35.6% High school 219 39.2% College / grad school 106 19.0%
Employment
Industry of employment
Education & healthcare
20.7%
Agriculture & mining
8.4%
Transportation & utilities
6.5%
Public administration
2.9%
Professional & management
2.4%
Finance & real estate
2.1%
Arts, food & hospitality
1.6%
Occupation
Category % Management, business & arts 21.2% Service 14.0% Sales & office 21.3% Natural resources & construction 16.4% Production & transportation 27.2%
Employment type
Type % Private sector 83.1% Government 10.4% Self-employed 6.5% Unpaid family workers 0.0%
Commute
Method % Drive alone 79.2% Carpool 10.4% Public transit 0.0% Walk 0.0% Work from home 6.6% Other means 3.8% Avg commute (minutes) 27.7
Poverty
Married-couple families
5.9%
Female-led households
0.0%
Income support
Source % of households Social Security 24.4% Retirement income 16.5% Supplemental Security 3.9% Cash public assistance 0.0% Food stamps / SNAP 22.1%
Health indicators
Condition % Obesity 33.7% High blood pressure 35.9% High cholesterol 38.6% Diabetes 11.5% Heart disease 7.6% Stroke 3.5% Asthma 9.1% Arthritis 28.9% Kidney disease 3.2% Pulmonary disease 8.5% Cancer 7.2%
Behavior / access % Smoking 21.6% Binge drinking 16.2% No physical activity 22.9% Less than 7 hrs sleep 32.8% Depression 23.3% Fair or poor health 15.2% Poor mental health 14.5% Poor physical health 11.9% No health insurance 17.8% Visited doctor (checkup) 78.9% Visited dentist 64.1% Cholesterol screening 90.2% Teeth loss 15.4%
Veterans & disability
Veterans Count % Civilian veterans 39 2.0%
Disability % Any disability 13.3% Under 18 8.2% 18–64 years 12.2% 65 and over 34.7%
Health insurance coverage
Type % Private insurance 56.7% Public insurance 29.4% No insurance 18.6% Uninsured under 19 12.3%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 2,310 92.9% Spanish 280 12.1% Other Indo-European 161 7.0% Asian & Pacific Islander 40 1.7% Other languages 0 0.0%
Place of birth & citizenship
Origin Count % Native born (US) 2,197 88.3% Born in same state 2,197 88.3% Born in different state 1,713 68.9% Foreign born 0 0.0% Naturalized citizen 290 11.7% Not a US citizen 31 10.7%
Ancestry
Ancestry Count % Arab 495 19.9% French 284 11.4%
Ancestry Count % Italian 171 6.9% English 73 2.9%
Technology access
Metric % of households Computer access 31.3% Internet access 86.8%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 28689
What city is ZIP code 28689 in?
ZIP code 28689 is primarily assigned to Union Grove, North Carolina.
What county is ZIP code 28689 in?
ZIP code 28689 falls within Iredell County, North Carolina.
How educated is the population of ZIP code 28689?
14% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
What is the typical home value in ZIP code 28689?
The median home value in ZIP code 28689 is $138,400.
What is the population of ZIP code 28689?
ZIP code 28689 has an estimated population of 2,487 residents, with a density of 55 people per square mile.
What is the median household income in ZIP code 28689?
The median household income in ZIP code 28689 is $69,853, below the national median of ~$75,000.
What timezone is ZIP code 28689 in?
ZIP code 28689 observes the EST timezone.
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