Jasper County area

Population and density of Jasper County

The Census Bureau estimates that 38,533 people lived in Jasper County on July 1, 2025. That ranks #1,244 of 3,222 county equivalents nationally and #28 of 46 in South Carolina. Since the April 1, 2020 estimates base of 28,811, the population has grown by 9,722 (+33.7%), compared with +8.8% for South Carolina as a whole.

With 655.2 square miles of land, that is 59 people per square mile (23 per km²), placing Jasper County #1,402 nationally for density and #28 in South Carolina. The median county equivalent has 47 people per square mile; the South Carolina median is 78. Put another way, there are about 11 acres of land per resident.

U.S. Census Bureau, Vintage 2025 population estimates. Estimates are revised each year and are not decennial census counts. Density divides the whole population by the whole county’s land area, so it describes an average, not how settlement is distributed within the county. Population sources and methods.

Cities and towns in Jasper County

2 incorporated places lie at least partly in Jasper County. Together they are home to 20,121 people (52.2%); the other 18,412 (47.8%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Hardeeville city, with 16,303 residents in the county (the city extends into 1 other county). The county seat, Ridgeland town, has 3,818 residents. Among places with at least 1,000 residents in 2020, Hardeeville city grew fastest since then (+118.7%).

Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Jasper County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.

Metropolitan area

Jasper County is an outlying county of the Hilton Head Island-Bluffton-Port Royal, SC Metropolitan Statistical Area. Its 2 county equivalents have 242,966 residents on 1,231.2 square miles of land; Jasper County accounts for 53.2% of the land and 15.9% of the residents. By combined land it ranks #254 of 393 metropolitan areas, and #203 by population.

ZIP codes

10 ZIP Code Tabulation Areas have land in Jasper County; 5 of them have most of their land inside the county, and the others mainly cover neighboring areas.

29909299122991629922299272993429936299432994429945

ZIP Code Tabulation Areas are the Census Bureau’s approximations of USPS ZIP Code service areas, from the 2020 Census relationship files. Lighter codes have less than half of their land in this county. Post-office-box and single-address ZIP Codes have no tabulation area.

Counties bordering Jasper County

Jasper County shares a land border with 4 county equivalents, including 2 in Georgia. It has more land than every one of them. The largest neighbor is Beaufort County (576 mi²) and the smallest is Chatham County (432.8 mi²). Together with its neighbors, Jasper County forms a block of 2,702.8 mi² of land, of which it holds 24.2%.

How big is Jasper County compared with U.S. states?

Jasper County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.6 times as much. South Carolina’s county land could hold about 46 areas the size of Jasper County.

Another way to picture it: the same land area would fill a square about 25.6 miles (41.2 km) on each side. Real county shapes are rarely square, so this is a scale reference rather than a width or driving distance.

State figures are the sums of each state’s county-equivalent land measurements in the same Census release, so states and counties are compared on the same basis. Published state totals can differ slightly because of rounding. Compare all states · Counties bigger than entire states.

What stands out about Jasper County?

Jasper County has more land than 1,784 of the other 3,221 county equivalents in the dataset.

A median is the middle county-equivalent measurement, not the average of the largest and smallest. All three bars use the same linear scale. Very small areas may appear as a thin sliver; the labels retain their values.

Does including water change its rank?

Using land plus water places Jasper County at #1,435 nationally by total area, 3 places closer to the top than its land rank. The water assigned to this geography moves it ahead of some county equivalents with more land.

Its water share is 6.6%, compared with a national county-equivalent median of 1.2% — 5.4 percentage points higher. This describes the statistical geography’s land/water mix, not flood exposure or developable land.

Closest positions in the national land ranking

These entries sit immediately beside Jasper County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Calculated from the same Census release as the area table. Total-area order uses original ALAND + AWATER; water shares and chart labels use published square miles. Calculation details.