| Official Name: | Ladson, South Carolina |
| Named For: | Ladson family[1] |
| Settlement Type: | Census-designated place |
| Mapsize: | 250px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | South Carolina |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Berkeley, Charleston, Dorchester |
| Established Title: | Founded |
| Established Date: | 1905[2] |
| Unit Pref: | Imperial |
| Area Footnotes: | [3] |
| Area Total Km2: | 18.21 |
| Area Land Km2: | 18.21 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 7.03 |
| Area Land Sq Mi: | 7.03 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Footnotes: | [4] |
| Population Total: | 15550 |
| Population Density Km2: | 853.85 |
| Population Density Sq Mi: | 2211.32 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation M: | 15 |
| Elevation Ft: | 49 |
| Coordinates: | 33.0094°N -80.1056°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 29456 |
| Area Code: | 843 and 854 |
| Area Code Type: | Area code |
| Blank Name: | FIPS code |
| Blank Info: | 45-39220[5] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1246274[6] |
Ladson is a census-designated place (CDP) in Berkeley, Charleston and Dorchester counties in the U.S. state of South Carolina. The population was 13,790 at the 2010 census.[7] It is named in honor of the Ladson family, one of the oldest planter and merchant families in the Charleston area; one of its members was lieutenant governor James Ladson.
Ladson is located in southwestern Berkeley County, northern Charleston County, and southeastern Dorchester County at 33.0094°N -80.1056°W (33.009563, -80.105553).[8] It is bordered to the southwest by the town of Summerville, to the south by the city of North Charleston, to the east by the city of Goose Creek, and to the northwest by Sangaree, a census-designated place.
U.S. Route 78 and Interstate 26 run parallel through Ladson, with Exit 203 providing access from I-26. Downtown Charleston is to the southeast, and Columbia is to the northwest.
According to the United States Census Bureau, the CDP has a total area of 18.2sqkm, all land. This is a decrease from 22.3sqkm at the 2000 census, due to annexations of portions of the area into Summerville and North Charleston.
| White (non-Hispanic) | 7,633 | 49.09% | |
| Black or African American (non-Hispanic) | 4,041 | 25.99% | |
| Native American | 91 | 0.59% | |
| Asian | 407 | 2.62% | |
| Pacific Islander | 9 | 0.06% | |
| Other/Mixed | 907 | 5.83% | |
| Hispanic or Latino | 2,462 | 15.83% |
| White (non-Hispanic) | 7,885 | 57.18% | |
| Black or African American (non-Hispanic) | 3,532 | 25.61% | |
| Native American | 95 | 0.69% | |
| Asian | 286 | 2.07% | |
| Pacific Islander | 7 | 0.05% | |
| Other/Mixed | 431 | 3.13% | |
| Hispanic or Latino | 1,554 | 11.27% |
As of the census of 2000, there were 13,264 people, 4,571 households, and 3,560 families residing in the CDP. The population density was 1540.9sp=usNaNsp=us. There were 4,863 housing units at an average density of 564.9sp=usNaNsp=us. The racial makeup of the CDP was 71.70% White, 22.06% African American, 0.97% Native American, 2.04% Asian, 0.07% Pacific Islander, 1.30% from other races, and 1.86% from two or more races. Hispanic or Latino of any race were 2.97% of the population.
There were 4,571 households, out of which 44.3% had children under the age of 18 living with them, 56.4% were married couples living together, 15.8% had a female householder with no husband present, and 22.1% were non-families. 15.9% of all households were made up of individuals, and 3.0% had someone living alone who was 65 years of age or older. The average household size was 2.90 and the average family size was 3.22.
In the CDP, the population was spread out, with 30% under the age of 18, 9.7% from 18 to 24, 33.7% from 25 to 44, 20.7% from 45 to 64, and 4.9% who were 65 years of age or older. The median age was 31 years. For every 100 females, there were 99.3 males. For every 100 females age 18 and over, there were 96.4 males.
The median income for a household in the CDP was $41,589, and the median income for a family was $44,726. Males had a median income of $31,290 versus $23,524 for females. The per capita income for the CDP was $16,482. About 7.1% of families and 9.8% of the population were below the poverty line, including 13.5% of those under age 18 and 9.3% of those age 65 or over.