ZIP Code 29079 in Lydia, SC

The Institutional Character

The unusually high ratio of people to households, combined with the young median age and institutional flags in the census data, points toward some form of group living arrangement. This could include student housing, a specialized facility, or another type of communal residence where many individuals share limited household units. The presence of a named building called "Postmaster" in the ZIP+4 records suggests centralized mail handling typical of institutional settings.

Mail Service as Regional Hub

Mail service here operates entirely through PO Boxes at the Lydia post office. The facility maintains 69 PO Boxes serving the local population, creating a PO Box adoption rate of 11.5—meaning the post office handles far more boxes than the local household count would suggest. This indicates the Lydia post office serves as a regional hub for surrounding communities without their own delivery infrastructure. People from the broader Darlington County area rely on this facility for mail pickup.

Delivery Infrastructure

The limited street delivery infrastructure supports this pattern. Only one street appears in delivery records: Indian Branch Road, which has a single delivery segment. A rural carrier route (Route R) serves this area alongside general delivery service, but the overwhelming majority of mail flows through the PO Box system. For the 80 people living within ZIP code 29079, boxes at the post office provide the primary—and often only—practical way to receive mail.

Community Statistics

### Demographics

• Population:** 80 people
• Occupied households:** 6
• Median age:** 28 years
• Racial composition:** 59 white residents, 14 Black residents, 7 identifying as other or multiple races

### Housing and Geography

• Total housing units:** 29 (6 occupied, 23 vacant)
• Land area:** 0.107 square miles
• Setting:** Rural Darlington County, South Carolina

### Economic Profile

• Median household income:** $19,662 (significantly below South Carolina's median)
• Employment:** 7 business establishments employing 34 people operate in this ZIP code
• Homeownership:** Data shows 20 housing units tracked in certain categories

### Postal Infrastructure

• Classification:** P (PO Box-only ZIP code)
• Total PO Boxes:** 69
• Street delivery points:** 1 (Indian Branch Road)
• Carrier routes:** 1 rural route, 1 general delivery route, 5 PO Box routes
• Named buildings:** Postmaster (centralized delivery point)

Street Name Patterns

With only Indian Branch Road appearing in delivery records, street infrastructure here is minimal. The name references local geography—likely a nearby creek or stream branch—typical of rural South Carolina nomenclature. The single delivery point on this road represents the extent of street-based mail service, with all other delivery flowing through the PO Box system.