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Arizona›Pima County
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CharcoAZ

In Arizona, this town has 7 residents.

Population
7
Census survey, 2020–24
Land area
1 sq mi

Is Charco a good place to live?

Charco’s typical July afternoon high is 102°F, above both the Arizona town median (100°F) and the median of U.S. towns (85°F). No town among the 141 in Arizona we compare has a higher owner-occupancy rate than Charco. Charco has fewer than 1,000 residents, too few for fair grades; the figures below are still real.

Small town

7 people, and everyone knows the way

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

Getting set up

Moving to Charco: who provides what

Charco is unincorporated, so Pima County and regional agencies provide most services.

PowerTrico Electric Cooperative14.3¢/kWh · EIA 2025HIFLD · EIA
Internet1 providers100% of addresses get 100/20 MbpsFCC
Trash & county servicesPima CountyPima County provides services here
SchoolsIndian Oasis-Baboquivari Unified DistrictWhich school depends on your addressNCES
Register to voteOnlineIn Arizona you can register online until 29 days before Election Day, in person until 29 days before Election Day, or by mail (postmarked 29 days before).vote.gov
Who runs elections herePima County RecorderPima County; contacts on the Handbook page.FVAP, Sep 2025
ZIP code8532185321 100%Census 2020

EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Sep 12, 2025.

The data

Ordered by what stands out in Charco.

Natural hazards

Top of a very high hazard risk in Charco: inland flooding

Expected losses in Charco break down as 69% from inland flooding and 27% from heat waves. The FEMA hazard score for Charco comes to 85 of 100.

85risk score of 100
FEMA risk score
85Very high riskLowerHigher
Inland floodingHeat waves
Full pageCharco’s hazards pageOpen the full Hazards page
What it facesVery high riskFlood claims0 paid flood claims · No paid flood claims on recordPast disasters11 disaster declarations · Declared for the countyGet ready13 events a year, on average · Ready for inland flooding

FEMA National Risk Index · OpenFEMA

Climate

In Charco, expect mild winters and hot summers

In Charco, the January low is 40°F.

102°summer high

Typical low → high °F

Winter40–67°
Spring52–83°
Summer72–101°
Fall57–86°
Dec 15
typical first frost
Feb 4
typical last frost
+2.5°
vs. the 20th-century average
102°
typical summer high
Full pageCharco’s climate pageOpen the full Climate page
A year of weatherJuly highs 102°, January lows 40°Rain & snow9″ of rain a year · Snow is almost unheard ofHeating & coolingMostly a cooling billThen and now+2.5° vs. the 20th century · Warmer than the 20th-century average

NOAA U.S. Climate Normals, 1991–2020

Health

How healthy Charco is

Charco: 79% of adults had a checkup this year. 41% of adults here have high blood pressure; 16% report frequent physical distress.

CharcoArizona townsU.S. towns
Binge drink (CDC PLACES)12%14%16%
High blood pressure (CDC PLACES)41%36%35%
Frequent physical distress (CDC PLACES)16%15%14%
Diabetes (CDC PLACES)14%13%12%
32 measures vs. Arizona
5 better16 too close to call11 worse
What stands outCharcoAZ
Fewer binge drinkers12%15.3%
More adults screened for colon cancer64.4%60.2%
More adults with heart disease8.9%6.4%
Sells Hospital
38.4 mi away · emergency room
None
primary care, dental or mental-health shortage
Full pageCharco’s health reportOpen the full Health report
Everyday habitsFewer binge drinkersHospitals & doctors nearby38.4 miles to an ER · Sells HospitalHow adults are doingMore adults in frequent physical distressEvery CDC estimateBetter than AZ on 5 of 32

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

Outdoors

0% of Charco is conserved land

Charco’s density of trails stands at 1.1 miles per square mile. 1.0 miles of trail.

0%conserved
0%
conserved · 0 of 593 acres
1.0 mi
of trails · 1.1 per sq mi
Full pageCharco’s outdoors pageOpen the full Outdoors page
Trail map1.0 miles of trail, mappedPick a walkPick a walkConserved land0% conserved · 0 acres protectedQuestions“Where can I hike in Charco?”

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

Keep exploring

Everything we know about Charco

12pages on Charco
The big questions
HealthBetter than AZ on 5 of 32 CDC measuresNatural hazardsFEMA risk higher than 85% of U.S. communities · inland flooding
Out and about
Outdoors1 mi of trails · 0% conserved landPlacesLibrarySalazar-Ajo Branch LibraryColleges
The story
Climate102° summer highs
Day to day
NewsWeatherHandbookTown SquareNeighbors
After high school

Colleges nearby

None within 15 miles of Charco; the nearest are

Tohono O'odham Community CollegeCommunity college · Public · Sells54.7 mi$932 in-state tuitionArizona State University Campus ImmersionUniversity or college · Public · Tempe89.6 mi$12,223 in-state tuition

About 0 of every 100 Charco residents are enrolled in college, against 6 across Arizona.

Prices by family income, graduation and earnings →

About Charco

CDP in Arizona, United States

Charco is both a census-designated place (CDP) and a populated place in Pima County, Arizona, United States. The population was 52 at the 2010 census.

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

Area
0.9 sq mi
Elevation
2,100 ft
Area code
520

Questions about Charco

Short answers, built from the data on this page.

Is Charco, AZ a good place to live?

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