Del Rey

• Official Name — Del Rey • Type — census-designated place • Image Map — Fresno_County_California_Incorporated_and_Unincorporated_areas_Del_Rey_Highlighted.svg • Map Size — 250x200px • Map Caption — Location in Fresno County and the state of California • Pushpin Map — USA • Pushpin Caption — Location in the United States • Subdivision Type — Country • Subdivision Type1 — State • Subdivision Name1 — California • Subdivision Type2 — County • Subdivision Name2 — Fresno • Leader Title2 — State Senator • Leader Title3 — State Assembly • Leader Title4 — U. S. Congress • Unit Pref — Imperial • Area Total Sq Mi — 1.33 • Area Land Sq Mi — 1.33 • Area Water Sq Mi — 0.00 • Area Total Km2 — 3.46 • Area Land Km2 — 3.46 • Area Water Km2 — 0.00 • Area Water Percent — 0 • Elevation Ft — 344 • Elevation M — 105 • Population As Of — 2020 • Population Total — 1358 • Population Density Km2 — 392.84 • Population Density Sq Mi — 1017.23 • Time Zone — PST • Utc Offset — -8 • Time Zone Dst — PDT • Utc Offset Dst — -7 • Postal Code Type — ZIP code • Postal Code — 93616 • Area Code — 559 • Custom Label Sec1 — FIPS code • Custom Data Sec1 — 06-18674 • Custom Label1 Sec1 — GNIS feature IDs • Custom Data1 Sec1 —, Del Rey (Spanish for "of the King") is a census-designated place (CDP) in Fresno County, California, United States. The population was 1,358 at the 2020 census, down from 1,639 at the 2010 census. Del Rey is located 3.5 mi south-southwest of Sanger, at an elevation of 344 (105 m).

According to the United States Census Bureau, the CDP has a total area of 1.3 sqmi, all of it land.

Originally called Clifton, the place was renamed by the railroad in 1898 to Del Rey, after the Rancho del Rey on which the station was located. Del Rey is a Spanish phrase meaning "of the king". A post office opened in 1885. The name Clifton honored Clift Wilkinson, town founder.

Del Rey first appeared as a census designated place in the 1980 U.S. census.

As of the 2020 census, Del Rey had a population of 1,358 and a population density of 1,017.2 PD/sqmi. The age distribution was 356 people (26.2%) under the age of 18, 161 people (11.9%) aged 18 to 24, 386 people (28.4%) aged 25 to 44, 292 people (21.5%) aged 45 to 64, and 163 people (12.0%) who were 65years of age or older. The median age was 31.7years. For every 100 females, there were 105.4 males, and for every 100 females age 18 and over, there were 102.4 males age 18 and over. There were 371 households, out of which 152 (41.0%) had children under the age of 18 living in them, 156 (42.0%) were married-couple households, 31 (8.4%) were cohabiting couple households, 108 (29.1%) had a female householder with no partner present, and 76 (20.5%) had a male householder with no partner present. 65 households (17.5%) were one person, and 25 (6.7%) were one person aged 65 or older. The average household size was 3.6. There were 282 families (76.0% of all households). There were 381 housing units at an average density of 285.4 /mi2, of which 371 (97.4%) were occupied. Of these, 184 (49.6%) were owner-occupied, and 187 (50.4%) were occupied by renters. The vacancy rate was 2.6%; the homeowner vacancy rate was 2.1%, and the rental vacancy rate was 1.6%. The census reported that 98.4% of the population lived in households, 1.6% lived in non-institutionalized group quarters, and no one was institutionalized. In addition, 0.0% of residents lived in urban areas while 100.0% lived in rural areas.

In 2023, the US Census Bureau estimated that the median household income was $57,292, and the per capita income was $18,548. About 28.2% of families and 24.8% of the population were below the poverty line.

It is in the Sanger Unified School District.