Arroyo Grande is a city located in San Luis Obispo County California. With a 2020 population of 18,679, it is the 366th largest city in California and the 2450th largest city in the United States. Arroyo Grande is currently growing at a rate of 0.64% annually and its population has increased by 1.29% since the most recent census, which recorded a population of 18,441 in 2020. Spanning over 6 miles, Arroyo Grande has a population density of 3,146 people per square mile.
The average household income in Arroyo Grande is $98,178 with a poverty rate of 5.47%. The median rental costs in recent years comes to $1,557 per month, and the median house value is $610,000. The median age in Arroyo Grande is 44.6 years, 42.4 years for males, and 46.9 years for females.
According to the most recent ACS, the racial composition of Arroyo Grandewas:
2021 and 2022 population is estimated by projecting the 2019 numbers.
Rate of Home Ownership
Average Family Size
Average Household Size
The highest rate of high school graduation is among black people with a rate of 100.00%.
The highest rate of bachelors degrees is among asian people with a rate of 60.14%.
89.42% of Arroyo Grande residents speak only English, while 10.58% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 5.74% of the population.
Overall Poverty Rate
Male Poverty Rate
Female Poverty Rate
The race most likely to be in poverty in Arroyo Grande is Hispanic, with 8.25% below the poverty level.
The race least likely to be in poverty in Arroyo Grande is Multiple, with 2.18% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0.43%. Among those working part-time, it was 3.95%, and for those that did not work, the poverty rate was 12.83%.
Number of Veterans
Veteran Poverty Rate
Veteran Disability Rate
Labor Force Participation
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Born in Arroyo Grande
92.68% of Arroyo Grande residents were born in the United States, with 66.08% having been born in California. 2.00% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.