Columbia's housing stock is modest and varied, reflecting a community that is partly a preserved historic district and partly a modern Sierra foothill town. Residential streets around the state park hold a mix of older cottages, mid-century homes, and newer foothill construction, often on larger, tree-covered lots that climb the surrounding hills. Some period-era homes and converted buildings near the historic core carry particular character, while rural parcels and acreage with oak woodlands are common in the surrounding Tuolumne County countryside. The community's small scale and its location between Sonora and the high country give it a settled, semi-rural feel.

Columbia is small and unincorporated, so its neighborhoods are defined by location rather than formal subdivisions. The historic district, centered on the preserved Main Street of Columbia State Historic Park, holds the town's restored Gold Rush buildings and the shops and inns that operate within them. Just beyond the park, residential streets and hillside parcels fan out toward Columbia College's campus and the surrounding oak woodlands. Many residents live on larger lots in the countryside around the community, where the Sierra foothills begin to rise. Nearby Sonora and Jamestown provide additional housing and commercial options within a short drive.

Life in Columbia carries a distinct historical flavor. The day-to-day rhythm of the community is interwoven with the state historic park, whose events, stagecoach rides, and costumed interpreters keep Gold Rush traditions present, and whose restaurants, bakery, and shops serve both visitors and locals. Beyond the park, residents share the rural lifestyle of the Mother Lode — wine tasting, river recreation, and mountain access are all nearby. Sonora, a few miles east, supplies the practical necessities, while the area's Gold Rush heritage and its string of historic foothill towns give the region a cohesive identity rooted in California's founding story.

Public education in Columbia is provided by the Columbia Union School District, which operates Columbia Elementary, a small K-8 school. For high school, Columbia students attend schools in the Sonora High School District, the regional secondary district based in the county seat. Columbia College, a community college in the Yosemite Community College District, has its campus just outside the historic area and offers associate degrees, career programs, and transfer pathways, adding an educational presence to the community. The county's other small districts and nearby Sonora's schools round out the local options.

Columbia sits along State Route 49, the Mother Lode Highway, which links the Gold Country's historic towns through the Sierra foothills. The county seat of Sonora lies a few miles to the southeast along the highway, and State Routes 108 and 120 connect the region westward toward the Central Valley and the Bay Area and eastward toward the high Sierra and Yosemite National Park. Tuolumne County Transit operates bus routes radiating from Sonora that serve Columbia and the surrounding communities. There is no passenger rail in the county, so residents and visitors rely on cars, with the Bay Area roughly two to three hours away by road.

Recreation in Columbia is anchored by Columbia State Historic Park, where visitors can pan for gold, ride a stagecoach, tour restored Gold Rush buildings, and attend living-history events. The surrounding Mother Lode offers river recreation, caving, and hiking, while the Stanislaus National Forest and the Emigrant Wilderness rise to the east. New Melones Lake, a large reservoir nearby, provides boating, fishing, and swimming, and Yosemite National Park is within a drive of about an hour and a half via Highway 120. The region's wineries, historic towns, and foothill trails round out the outdoor and cultural options.