Map of Philo CDP, California

Philo is a census-designated place in Mendocino County, California, United States. It is located 6 miles (10 km) northwest of Boonville, at an elevation of 331 feet (101 m). The population was 319 at the 2020 census.

Philo is located in Anderson Valley in western Mendocino County. Situated along Indian Creek as it flows into the Navarro River, Philo is the home of KZYX, the local public radio station. Two small specialty lumber mills in Philo are all that remain of a once vigorous timber economy in Anderson Valley. Philo is the heart of the Anderson Valley wine region.

The first post office opened in 1888. The ZIP Code is 95466. The community is inside area code 707.

Two versions of how Philo was named are current: first, that its founder Cornelius Prather named it after his favorite female cousin; second, that he named it for his former home at Philo, Illinois.

Philo CDP overview:
Name:	Philo CDP
LSAD Code:	57
LSAD Description:	CDP (suffix)
State:	California
County:	Mendocino County
Elevation:	331 ft (101 m)
Total Area:	2.067 sq mi (5.35 km²)
Land Area:	2.067 sq mi (5.35 km²)
Water Area:	0 sq mi (0 km²) 0%
Total Population:	319
ZIP code:	95466
Area code:	707
FIPS code:	0656868

Online Interactive Map

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Philo online map. Source: Basemap layers from Google Map, Open Street Map (OSM), Arcgisonline, Wmflabs. Boundary Data from Database of Global Administrative Areas.

Philo location map. Where is Philo CDP?

Philo location on the U.S. Map. Where is Philo CDP. — Philo location on the U.S. Map.

Philo location on the California map. Where is Philo CDP. — Location of Philo in California.

Philo Road Map

Philo city Satellite Map

Geography

Philo is located at geographical coordinates 39° 3′ 57″ North, 123° 26′ 42″ West. California State Route 128 leads southeast (up the valley) 6 miles (10 km) to Boonville and northwest (downriver) 23 miles (37 km) to State Route 1 near Navarro Beach on the Pacific Ocean.

According to the United States Census Bureau, the CDP covers an area of 2.1 square miles (5.4 km), all of it recorded as land.