| Official Name: | Avenue B and C, Arizona |
| Settlement Type: | CDP |
| Pushpin Map: | USA |
| Pushpin Map Caption: | Location in the United States |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name: | United States |
| Subdivision Name1: | Arizona |
| Subdivision Name2: | Yuma |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 1.92 |
| Area Total Sq Mi: | 0.74 |
| Area Land Km2: | 1.91 |
| Area Water Km2: | 0.02 |
| Area Land Sq Mi: | 0.74 |
| Area Water Sq Mi: | 0.01 |
| Population Density Sq Mi: | 5572.01 |
| Population Density Km2: | 2152.53 |
| Population As Of: | 2020 |
| Population Total: | 4101 |
| Postal Code Type: | ZIP code |
| Postal Code: | 85364[2] |
| Area Code: | 928 |
| Timezone: | MST (no DST) |
| Utc Offset: | -7 |
| Coordinates: | 32.7192°N -114.6597°W |
| Elevation Ft: | 131 |
| Blank Name: | FIPS code |
| Blank Info: | 04-04710\ |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2582733 |
Avenue B and C or B&C Colonia is a census-designated place (CDP) and colonia[3] in Yuma County, Arizona, United States. The population was 4,176 at the 2010 census. Areas that are part of Avenue B and C were first subdivided in the 1920s and 1930s.[4] The colonia received a sewer system in 2011.[5] It is the fifth most populous community in Yuma County and second most populous CDP (behind Fortuna Foothills).[6]
Avenue B and C first appeared on the 2010 U.S. Census as a census-designated place (CDP).[6]
At the 2020 census, Avenue B and C had a population of 4,176. The racial and ethnic makeup of the population was 22.0% non-Hispanic white, 0.9% black or African American, 2.5% Native American, 0.3% Asian, 0.3% Pacific Islander, 0.1% non-Hispanic of some other race, 3.2% from two or more races and 74.7% Hispanic or Latino.[7]