Cajon Heights ↗
El Cajon, San Diego County
Discover the places, stories, and people connected to El Cajon.

El Cajon is a city, San Diego County, California.
The Historical Society’s Knox House history connects the 1876 hotel with travel between San Diego and Julian after the discovery of gold. Teamsters, miners and drovers needed a place to stop where the road turned toward the mountains. That practical need helps explain how a hotel and family residence became part of the developing town’s commercial life.
The museum’s account follows the building through several relocations, including the City’s purchase and move in 1972. The museum interprets domestic life around 1895–1912. Its rooms offer a different scale of history from a citywide timeline: furnishings and household spaces make the routines of a family and its business easier to imagine.
The Wieghorst Museum’s founding history describes how friends of painter Olaf Wieghorst developed the idea for a museum after his death. Donations, loans, a foundation and local organizing gradually turned the proposal into a working institution. The account makes preservation a story about relationships and persistence as well as the accomplishments of one artist.
The museum history records the home’s relocation in 1999 and the adaptation of a neighboring building for gallery use. The restored house, museum galleries and botanical garden now provide complementary ways to encounter Wieghorst’s legacy. Check the museum’s current visitor information for exhibitions and tours; the founding account explains how the place came together, rather than serving as an event calendar.
Editorial review: 2026-11-08
American Community Survey estimates cover 2020–2024 and show the 90% margin of error when available. Gross rent includes rent and applicable tenant-paid utilities. Census and survey figures describe the geography used for that release; housing estimates are historical survey figures rather than current asking prices.
Area figures use the 2020 Census boundary. Population density is calculated from the 2020 Census population divided by its land area, excluding water.
Distances are straight-line measurements between mapped reference points, rather than walking or driving distances.
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2 named areas connected to El Cajon.
El Cajon, San Diego County
El Cajon, San Diego County
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