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South Gate population

South Gate, California had an estimated 90,071 residents on July 1, 2025, the 412th-largest city in the US. That is down 4.6% since the 2010 Census and down 6.5% since 2000.

South GateCaliforniaPop. 90,071
Population, July 2025
90,071-2.9% since April 2020
People per sq mile
12,4467.2 sq mi of land
Median age
36.312.4% are 65 or older
Households with kids
41.6%with anyone under 18

Population by year, 2000 to 2025

76k81k87k92k97k2000: 96,31720002001: 96,7862002: 97,09820022003: 97,2212004: 96,97720042005: 96,4162006: 95,42620062007: 94,5572008: 94,41620082009: 94,4492010: 94,39620102011: 94,5162012: 94,80320122013: 95,4242014: 95,77520142015: 96,2702016: 96,41420162017: 95,8862018: 95,06420182019: 94,0922020: 92,71920202021: 91,8712022: 91,32020222023: 90,8102024: 90,65320242025: 90,0712025
Darker bars are the April 2000, 2010 and 2020 benchmarks; the rest are July 1 estimates. Source: US Census Bureau population estimates (intercensal 2000-2010, Vintage 2020 and Vintage 2025).
YearPopulationChangeBasis
202590,071-582Estimate, July 1
202490,653-157Estimate, July 1
202390,810-510Estimate, July 1
202291,320-551Estimate, July 1
202191,871-848Estimate, July 1
202092,719-1,373April 2020 estimates base
201994,092-972Estimate, July 1
201895,064-822Estimate, July 1
201795,886-528Estimate, July 1
201696,414+144Estimate, July 1
201596,270+495Estimate, July 1
201495,775+351Estimate, July 1
201395,424+621Estimate, July 1
201294,803+287Estimate, July 1
201194,516+120Estimate, July 1
201094,396-532010 Census (April 1)
200994,449+33Estimate, July 1
200894,416-141Estimate, July 1
200794,557-869Estimate, July 1
200695,426-990Estimate, July 1
200596,416-561Estimate, July 1
200496,977-244Estimate, July 1
200397,221+123Estimate, July 1
200297,098+312Estimate, July 1
200196,786+469Estimate, July 1
200096,317April 2000 estimates base

Year-to-year changes across 2010 and 2020 mix census counts with estimates, so small jumps at those years are partly method changes.

Frequently asked questions

What is the population of South Gate in 2025?

The Census Bureau estimates South Gate had 90,071 residents on July 1, 2025, making it the 412th-largest city in the US.

Is South Gate growing?

No. South Gate has shrunk 4.6% since the 2010 Census (94,396 people), and shrunk 2.9% since 2020.

What was the population of South Gate in 2000?

About 96,317 (the Census Bureau's April 2000 estimates base). By the 2010 Census it was 94,396.

How dense is South Gate?

South Gate has about 12,446 people per square mile of land (7.2 square miles).

More about South Gate

See cost of living, jobs and commutes in South Gate, South Gate weather by month. For the biggest cities in the country, see the largest US cities.