Skip to main content

🇺🇸 United States ZIP Code

STANDARD

29803

Aiken

ZIP Code 29803 is a standard zip code serving Aiken, Aiken, South Carolina (SC), in Aiken County, United States. It has an estimated population of 36,843 with a median household income of $62,568. The area falls within the America/New_York timezone.

Median Household Income vs. National Average

$0 National: $37,585 $150K+ $62,568

Location

State / Province
South Carolina (SC)
County
Aiken
City
Aiken
Timezone
America/New_York

Coordinates

Latitude
33.505900
Longitude
-81.695100

Geographic Details

Land Area
190.36 mi²
Water Area
0.75 mi²
Population Density
194.0 people per mi² (60th percentile)
Bounding Box
33.558614°N, 33.270030°S, -81.516319°E, -81.841898°W

With 36,843 residents spread across 190.36 square miles, this area has a population density of 194.0 people per square mile.

Demographics

36,843

Population

90th percentile

$62,568

Median Income

75th percentile

$174,000

Median Home Value

65th percentile

190.36 mi²

Land Area

The median household income in 29803 is $62,568, and the median home value is $174,000. This places the area in the top 25% nationally for household income.

Housing

17,234

Total Units

15,718

Occupied Units

91.2%

Occupancy Rate

Nearby ZIP Codes

Other zip codes in Aiken, SC.

Similar ZIP Codes in South Carolina

ZIP codes with similar median household income in South Carolina.

Frequently Asked Questions

What information is available for each ZIP code?
Each ZIP code page shows city, state, county, geographic coordinates, timezone, population, median household income, median home value, housing units, land area, population density, commute time, educational attainment, area codes, and ZIP code type (Standard, PO Box, or Unique).
What are the different types of ZIP codes?
There are three types of ZIP codes: Standard (residential and commercial delivery areas), PO Box (assigned to post office box sections), and Unique (assigned to a single high-volume address like a government agency or large company). Standard ZIP codes are the most common.
How often is ZIP code data updated?
ZIP code assignments are updated quarterly by the USPS. Demographic data comes from the US Census Bureau's American Community Survey (ACS), which releases new 5-year estimates annually. ZipFYI updates its data to reflect the latest available information.
What is population density and why does it matter?
Population density measures the number of people per square mile in a ZIP code area. It helps identify urban vs. rural areas, affects real estate values, impacts service availability, and is used in market analysis. Dense urban ZIP codes may have 50,000+ people per square mile.
How are ZIP code boundaries determined?
ZIP code boundaries are determined by the USPS based on mail delivery routes, not political or geographic boundaries. They follow carrier routes and may cross city, county, or even state lines. Boundaries can change when the USPS reorganizes delivery operations.
What does median household income tell me about a ZIP code?
Median household income is the middle value when all household incomes in a ZIP code are sorted. Half of households earn more and half earn less. It is a better indicator of typical earnings than average income, which can be skewed by very high or very low outliers.