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California›Fresno County

Three RocksCA

Home to 162 people, this town lies in California.

Is Three Rocks a good place to live?

Three Rocks’ peak summer temperature is 96°F, against 89°F in California’s towns and 85°F across U.S. towns. Only 9 of the 848 California towns we compare have a lower share of adults with a bachelor’s degree than Three Rocks. Three Rocks’ concentration of trails is 1.3 miles per square mile, above both the California town median (1.0) and the median of U.S. towns (0.4). Three Rocks has fewer than 1,000 residents, too few for fair grades; the figures below are still real.

Small town

162 people, and everyone knows the way

In a town this size, neighbors are the best guide. Ask them anything.

Nearby towns
Getting set up

Moving to Three Rocks: who provides what

Three Rocks is unincorporated, so Fresno County and regional agencies provide most services.

PowerPG&E37.5¢/kWh · EIA 2025HIFLD · EIA
WaterFcsa 30 - El Porvenir water system14 health-based violations in 5 years · EPAEPA
Internet3 providers82% of addresses get 100/20 MbpsFCC
Trash & county servicesFresno CountyFresno County provides services here
SchoolsGolden Plains Unified School DistrictWhich school depends on your addressNCES
Register to voteOnlineIn California you can register online until 15 days before Election Day, in person up to and including Election Day, or by mail (postmarked 15 days before).vote.gov
Who runs elections hereFresno County Clerk, Registrar of VotersFresno County; contacts on the Handbook page.FVAP, Jul 2021
ZIP code9360893608 100%Census 2020

EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Nov 18, 2024.

The data

Ordered by what stands out in Three Rocks.

Natural hazards

Three Rocks has a very high natural-hazard risk, chiefly from drought

The risk rating from FEMA in Three Rocks is 83 of 100. Expected losses in Three Rocks break down as 88% from drought and 6% from earthquakes.

83risk score of 100
FEMA risk score
83Very high riskLowerHigher
DroughtEarthquakes

FEMA National Risk Index · OpenFEMA

Climate

Three Rocks has four seasons and hot summers

July afternoons reach 96° and January nights drop to 39°.

96°summer high

Typical low → high °F

Winter39–58°
Spring49–75°
Summer63–94°
Fall51–79°
Nov 26
typical first frost
Feb 27
typical last frost
+1.6°
vs. the 20th-century average
96°
typical summer high

NOAA U.S. Climate Normals, 1991–2020

Health

More of Three Rocks’ adults have diabetes than in the typical California or U.S. town

Among adults in Three Rocks, 45% say their health is fair or poor. This California town does better than the California average on 1 of 32 CDC measures and worse on 23.

Three RocksTypical California townTypical U.S. town
Fair or poor health (CDC PLACES)45%22%19%
Obesity (CDC PLACES)47%29%35%
Diabetes (CDC PLACES)18%12%12%
Frequent physical distress (CDC PLACES)21%14%14%
32 measures vs. California
1 better8 too close to call23 worse
What stands outThree RocksCA
Fewer adults who have had cancer3.3%6.4%
More uninsured adults33.5%10.6%
Coalinga Regional Medical Center
24.6 mi away · emergency room
None
primary care, dental or mental-health shortage

CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA

0.3%conserved
0.3%
conserved · 2 of 480 acres
1.0 mi
of trails · 1.3 per sq mi

Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US

Housing

The median home in Three Rocks sells for about $230K

For households in Three Rocks, the share who are owner-occupiers is 82%.

$230Kmedian sale price
0
homes sold in September

Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center

Keep exploring

Everything we know about Three Rocks

15pages on Three Rocks
After high school

Colleges nearby

None within 15 miles of Three Rocks; the nearest are

Questions about Three Rocks

Short answers, built from the data on this page.

Is Three Rocks, CA a good place to live?

Three Rocks has fewer than 1,000 residents, too few for fair grades; the figures below are still real.