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California›Humboldt County

Big LagoonCA

With 138 residents, it is a town in California.

Is Big Lagoon a good place to live?

64% of adults 25 and older hold a bachelor’s degree or more in Big Lagoon, above both California’s towns (29%) and U.S. towns (29%). Only 10 of the 848 California towns we compare have a higher age of the median resident than Big Lagoon. 36% of the land in Big Lagoon is conserved, against 4.3% in California’s towns and 4.3% across U.S. towns. The biggest park or preserve is Harry A. Merlo State Recreation Area, at 118 acres. Big Lagoon has fewer than 1,000 residents, too few for fair grades; the figures below are still real.

Small town

138 people, and everyone knows the way

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

Nearby towns
Nearby attractions

Redwood National Park and 6 more within 40 miles

Museums, parks, gardens and other places to visit around Big Lagoon. Close and well known come first.

All 12 attractions →
Sources: National Park Service · ski areas © OpenSkiMap / OpenStreetMap contributors · Wikidata · Wikipedia readership · photos via Wikimedia Commons
Photo credits

Redwood National Park: Michael Schweppe, CC BY-SA 2.0 · Prairie Creek Redwoods State Park: California Department of Parks and Recreation, Public domain · Arcata Wastewater Treatment Plant and Wildlife Sanctuary: Monotropa_uniflora (talk) (Uploads), Public domain · Clarke Historical Museum: NoeHill, CC BY-SA 3.0 · Humboldt Bay Maritime Museum: Frank Schulenburg, CC BY-SA 4.0

Getting set up

Moving to Big Lagoon: who provides what

Big Lagoon is unincorporated, so Humboldt County and regional agencies provide most services.

PowerPG&E37.5¢/kWh · EIA 2025HIFLD · EIA
WaterBig Lagoon Csd water systemNo health-based violations in 5 years · EPAEPA
Internet1 providers76% of addresses get 100/20 MbpsFCC
Trash & county servicesHumboldt CountyHumboldt County provides services here
SchoolsNorthern Humboldt Union High School DistrictBig Lagoon Union Elementary School District2 districts serve Big Lagoon; which school depends on your address and gradeNCES
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 hereHumboldt County Office of ElectionsHumboldt County; contacts on the Handbook page.FVAP, Jul 2025
ZIP code9557095570 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 Big Lagoon.

Schools

The schools Big Lagoon’s kids attend

Its one school is below. Public schools: the Big Lagoon Union Elementary school district.

SchoolLevelStudentsLetter
Big Lagoon ElementaryLargest public elementary schoolGrades K–8Grades K–815–

NCES · EDFacts

Outdoors

In Big Lagoon, nearly a third of the land is conserved

The biggest park or preserve is Harry A. Merlo State Recreation Area, at 118 acres. Trails run 1.1 miles in 3 parks and preserves. Big Lagoon’s trail density comes in at 1.8 miles per square mile.

36.4%conserved
36.4%
conserved · 141 of 387 acres
1.1 mi
of trails · 1.8 per sq mi
Biggest places to walkTrailsAcres
1. Sue-meg State Park0.6 mi20
2. Harry A. Merlo State Recreation Area—118
3. Big Lagoon County Park0.1 mi17

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

Natural hazards

Big Lagoon has a very high natural-hazard risk, chiefly from tsunamis

In Big Lagoon, the FEMA risk score is 84 of 100. 53% of the town’s expected losses from natural hazards come from tsunamis, followed by earthquakes at 25%.

84risk score of 100
FEMA risk score
84Very high riskLowerHigher
TsunamisEarthquakesInland flooding

FEMA National Risk Index · OpenFEMA

Climate

In Big Lagoon, a typical July afternoon runs cooler than in the typical California or U.S. town

Expect warm winters and cool summers in Big Lagoon, with plenty of rain. July afternoons reach 65°, January nights drop to 41° and snow is almost unheard of.

66°summer high

Typical low → high °F

Winter40–54°
Spring44–58°
Summer51–65°
Fall46–62°
Nov 30
typical first frost
Mar 8
typical last frost
+1.6°
vs. the 20th-century average
66°
typical summer high

NOAA U.S. Climate Normals, 1991–2020

Health

How healthy Big Lagoon is

For adults in Big Lagoon, the share who binge drink is 14%. Against the California average, Big Lagoon comes out ahead on 13 CDC measures out of 32, and behind on 8. In Big Lagoon, nearly two in five adults have high blood pressure, and 31% sleep under 7 hours.

Big LagoonCalifornia townsU.S. towns
Feel lonely (CDC PLACES)30%36%33%
High blood pressure (CDC PLACES)39%31%35%
Sleep under 7 hours (CDC PLACES)31%35%36%
Binge drink (CDC PLACES)14%16%16%
32 measures vs. California
13 better11 too close to call8 worse
What stands outBig LagoonCA
Fewer uninsured adults4.9%10.6%
Fewer adults facing housing insecurity8.8%14.9%
More adults who have had cancer12.3%6.4%
Mad River Community Hospital
18.2 mi away · emergency room
1 of 3
care shortages: mental health

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

Keep exploring

Everything we know about Big Lagoon

16pages on Big Lagoon
After high school

Colleges nearby

None within 15 miles of Big Lagoon; the nearest are

About Big Lagoon

Census-designated place in California, United States

Big Lagoon is a census-designated place in Humboldt County, California, United States, located 7 miles (11 km) north of Trinidad at an elevation of 56 feet (17 m). The population as of the 2020 census was 161, an increase from 93 in the 2010 census. The area covers .61 square miles (1.6 km2), excluding water.

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Area
0.6 sq mi
Elevation
56 ft
ZIP code
95570

Questions about Big Lagoon

Short answers, built from the data on this page.

Is Big Lagoon, CA a good place to live?

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