Hilton Head Island, SC Profile: Facts & Data

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Hilton Head Island, South Carolina - Basic Facts

The Town of Hilton Head Island is the 10th largest city in South Carolina with a population of 42,246 as of July 1, 2020.

The primary coordinate point for Hilton Head Island is located at latitude 32.2163 and longitude -80.7526 in Beaufort County. The formal boundaries for the Town of Hilton Head Island encompass a land area of 41.36 sq. miles and a water area of 27.77 sq. miles. Beaufort County is in the Eastern time zone (GMT -5). The elevation is 10 feet.

The Town of Hilton Head Island (GNIS ID: 2405841) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

South Carolina is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The Town of Hilton Head Island is located within Hilton Head Island Division of Beaufort County.

Alternate Unofficial Names for Hilton Head Island: Hilton Head, Hiltonhead.

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Hilton Head Island, SC Data & Demographics (As of July 1, 2020)

POPULATION

Total Population 42,246 (100%)
Population in Households 42,033 (99.5%)
Population in Families 31,908 (75.5%)
Population in Group Quarters1 213 ( 0.5%)
Population Density 1,022
Diversity Index2 45
 
 

INCOME

Median Household Income $82,109
Average Household Income $123,400
% of Income for Mortgage4 25%
Per Capita Income $56,259
Wealth Index5 209
 

HOUSING

Total HU (Housing Units) 37,923 (100%)
Owner Occupied HU 14,748 (38.9%)
Renter Occupied HU 4,404 (11.6%)
Vacant Housing Units 18,771 (49.5%)
Median Home Value $497,920
Average Home Value $614,003
Housing Affordability Index3 98
 

HOUSEHOLDS

Total Households 19,152
Average Household Size 2.19
Family Households 12,043
Average Family Size 3
NOTES
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different races or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.

GROWTH RATE / YEAR

2010-2020 2020-2025
Population 1.28% 1.56%
Households 1.44% 1.65%
Families 1.16% 1.48%
Median Household Income   1.44%
Per Capita Income   2.04%
Owner Occupied HU   1.59%

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Hilton Head Island, SC - Peer Comparisons by Rank and Percentile

The table below compares Hilton Head Island to the other 397 incorporated cities, towns and CDPs in South Carolina by rank and percentile using July 1, 2020 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 10 98th
Population Density # 132 67th
Median Household Income # 17 96th
Housing Affordability Index # 33 8th
Per Capita Income # 8 98th
Diversity Index # 251 37th

Additional comparisons and rankings can be made with a VERY EASY TO USE South Carolina Census Data Comparison Tool.

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