Whitemarsh Island, Georgia
Seal of Georgia
Whitemarsh Island · Chatham County, Georgia
Population 6,918 (est. 2026: ~6,800)
Source: Census ACS 2023 · ACS 2023 + -0.46% annual growth projection

Whitemarsh Island, Georgia

Chatham County, Georgia · Population 6,983

Whitemarsh Island sits between the Wilmington River and the Bull River, a tidal marsh barrier island about ten miles east of downtown Savannah. It is connected to the mainland and to neighboring Talahi Island and Wilmington Island by causeways and bridges. The island is a census-designated place — no incorporated government of its own — but it functions as a legitimate residential community, not a vacation enclave. Families live here year-round, commute to Savannah, and send children to Chatham County public schools. The median household income sits well above both the county and state averages. The housing stock trends toward single-family homes on marshy lots where storm surge is a real planning concern, not a theoretical one.


People & Demographics

The island's population of 6,983 is concentrated in 2,773 occupied households. Average household size is 2.45 persons. With 1,738 children under 18 and 1,865 family households out of 2,773 total, this is genuinely a family-oriented community rather than a retirement or transient one.

Median age is 36.3 — younger than many coastal Georgia communities. The population is predominantly white (5,676), with Asian residents numbering 284, Hispanic or Latino residents 499, and Black residents 221. In a county of 295,291 people, Whitemarsh Island accounts for roughly 2.4% of the population.

Poverty affects 370 residents, a relatively low share of the total population given the income levels described below.


Economy & Employment

Median household income on Whitemarsh Island is $89,710. Per capita income is $60,611. Both figures run significantly above Georgia's statewide medians, reflecting the professional and managerial character of much of the workforce here — people who cross the bridge into Savannah each morning rather than working on the island itself.

Of 3,454 people in the labor force, 147 are unemployed. The island has no major employment center of its own; Savannah's port economy, healthcare sector, and military installations (Hunter Army Airfield, nearby Fort Stewart) are the dominant regional employers drawing residents across the causeway.


Housing

Total housing units number 3,172, of which 2,773 are occupied and 399 are vacant — a vacancy rate of about 12.6%, which reflects some seasonal and secondary-home use consistent with coastal Georgia. Owner-occupied units account for 1,951 households; 822 households rent.

Median home value is $319,100. Median gross rent is $1,616 per month. Both figures reflect the premium that marsh and water proximity commands in the Savannah metro, and both are high relative to Chatham County overall. Buyers and renters should factor in flood insurance costs, which on a barrier island with documented hurricane history are a material line item, not a formality.


Schools

Whitemarsh Island is served by Chatham County Public Schools. The schools in or near the island corridor include:

The broader Chatham County system serving county residents also includes New Hampstead High School (1,436 students, grades 9–12), Rice Creek School (1,167 students, PreK–8), Godley Station School (1,135 students, PreK–8), Jenkins High School (1,118 students, 9–12), Windsor Forest High School (1,012 students, 9–12), Groves High School (992 students, 9–12), West Chatham Middle School (953 students, grades 6–8), Beach High School (914 students, 9–12), Savannah Arts Academy (905 students, 9–12), West Chatham Elementary School (841 students, PreK–5), New Hampstead K-8 School (827 students, PreK–8), Gould Elementary School (818 students, PreK–5), and Johnson High School (790 students, 9–12).

Educational attainment among adults 25 and older is notable: out of 4,696 residents in that age group, 1,172 hold bachelor's degrees, 650 hold master's degrees, and 100 hold doctorates. Only 657 list a high school diploma as their highest credential.


Getting Around

The island is car-dependent. Of 3,217 workers, 2,747 drove alone to work. Another 207 carpooled. Only 19 used public transit. Zero walked to work. A relatively modest 238 worked from home.

Aggregate commute time across all workers totals 66,930 minutes, placing average one-way commute time at roughly 20–21 minutes — consistent with the island's position close to but not adjacent to Savannah's core employment zones. There is no meaningful pedestrian or transit infrastructure connecting the island to the metro.


Healthcare

Multiple major hospitals serve Whitemarsh Island residents from Savannah:

All are in Savannah, within reasonable driving distance across the causeway. For a current directory of individual healthcare providers in Whitemarsh Island, the NPI Registry maintains an up-to-date provider listing.


Library

The nearest public library branch is the Garden City Library, approximately 2.4 miles away, reachable by phone at (912) 644-5932. It is part of the Live Oak Public Libraries system serving Chatham, Effingham, and Liberty counties.


Parks & Recreation

Two National Park Service units are accessible from Whitemarsh Island:

Fort Pulaski National Monument — a 19th-century masonry fort on Cockspur Island at the mouth of the Savannah River, about 12.9 miles away, significant for the Civil War artillery battle that rendered masonry fortifications obsolete. A visitor center is on site.

Reconstruction Era National Historical Park — located approximately 37.9 miles away in Beaufort County, South Carolina, it interprets the period immediately following the Civil War when formerly enslaved people worked to define freedom and citizenship.


Natural Hazards

Chatham County's FEMA disaster declaration history is extensive, and Whitemarsh Island's position as a tidal barrier island means that history is directly relevant to anyone considering property here. Federal disaster declarations affecting this county since 1998:

Ten separate storm-related declarations in roughly 25 years. Flood insurance, elevation certificates, and storm shutter infrastructure are practical necessities here, not optional upgrades.


Government & Municipal Code

Whitemarsh Island is a census-designated place and has no municipal government. Its municipal code is published through Municode. The code does not include a local building code; construction is governed by Chatham County standards.


Weather

Current forecasts and active alerts for Whitemarsh Island are available from the National Weather Service:

The nearest weather observation station is Savannah 3.3 NNW, approximately 0.7 miles away.


References


The law belongs to the people. Georgia v. Public.Resource.Org, 590 U.S. (2020)