| Official Name: | Chuichu, Arizona |
| Native Name: | ood|Ce:co |
| Native Name Lang: | ood |
| Settlement Type: | CDP |
| Mapsize: | 250px |
| Pushpin Map: | USA |
| Pushpin Map Caption: | Location in the United States |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Arizona |
| Subdivision Type2: | County |
| Subdivision Name2: | Pinal |
| Area Footnotes: | [1] |
| Area Total Km2: | 17.79 |
| Area Land Km2: | 17.79 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 6.87 |
| Area Land Sq Mi: | 6.87 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 240 |
| Population Density Km2: | 13.49 |
| Population Density Sq Mi: | 34.93 |
| Timezone: | Mountain (MST) |
| Utc Offset: | -7 |
| Elevation M: | 445 |
| Elevation Ft: | 1460 |
| Coordinates: | 32.7447°N -111.7978°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 85193[2] |
| Area Code: | 520 |
| Blank Name: | FIPS code |
| Blank Info: | 04-13190 |
| Blank1 Name: | GNIS feature ID |
| Unit Pref: | Imperial |
Chuichu (O'odham: Ce:co name translates as "Many Caves") is a census-designated place (CDP) in Pinal County, Arizona, United States. The population was 308 at the 2020 census.[3] It is the northernmost traditional village on the Tohono O'odham Nation reservation.
Chuichu is located at 32.7447°N -111.7978°W (32.744825, −111.797906).[4]
According to the United States Census Bureau, the CDP has a total area of 2.5sqmi, all land.
As of the census[5] of 2020, there were 308 people, 82 households, and 65 families residing in the CDP. The population density was 45sp=usNaNsp=us. There were 102 housing units at an average density of 35sp=usNaNsp=us. The racial makeup of the CDP was 1% White, 98% Native American, and 1% from two or more races. 6% of the population were Hispanic or Latino of any race.
There were 84 households, out of which 44% had children under the age of 18 living with them, 37% were married couples living together, 36% had a female householder with no husband present, and 12% were non-families. 11% of all households were made up of individuals, and none had someone living alone who was 65 years of age or older. The average household size was 4.0 and the average family size was 4.3.
In the CDP, the population was spread out, with 40% under the age of 18, 11% from 18 to 24, 26% from 25 to 44, 18% from 45 to 64, and 5% who were 65 years of age or older. The median age was 24 years. For every 100 females, there were 92.6 males. For every 100 females age 18 and over, there were 86.4 males.
The median income for a household in the CDP was $28,088, and the median income for a family was $32,970. Males had a median income of $31,429 versus $19,583 for females. The per capita income for the CDP was $8,299. About 13% of families and 22% of the population were below the poverty line, including 16% of those under age 18 and 29% of those age 65 or over.
It is within the Casa Grande Elementary School District and the Casa Grande Union High School District.[6]