Arroyo Grande, California Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Arroyo Grande, California is 18,412 as of the 2023 American Community Survey, making it the 371st-largest city in California. The median household income is $103,258, the median home value is $758,100, and the median age is 45.2.
The population has grown 5.5% since 2010 (17,292 → 18,249).
18,412
Population
3100
People / sq mi
$103,258
Median Income
$758,100
Median Home Value
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Arroyo Grande covers 5.9 sq mi of land at 3100 people per square mile.
About Arroyo Grande, CA
The poverty rate is what most separates Arroyo Grande from the typical city: 2.0% of residents live below the federal poverty line, against 12.4% nationally. With 18,412 residents, Arroyo Grande is a city in California.
Median household income is $103,258, above the US median of $78,538. Hardship is rare relative to US cities: a poverty rate of just 2.0%, below the national 12.4%. Housing is expensive: the median home is worth $758,100, with typical rent around $1,890.
About 44.5% of adults 25 and older have a bachelor’s degree, above the 35.0% national figure. Around 11.5% of workers work from home, below the national 14.0%, and the average commute runs about 23 minutes each way.
Arroyo Grande city Population History (2010-2024)
The city of Arroyo Grande city had a population of 17,292 in 2010 and 18,249 in 2024, a 5.5% growth over 14 years. The peak was 18,487 in 2021. Average annual growth rate: 0.39%.
18,249
Population (2024)
17,292
Population (2010)
18,487
Peak (2021)
0.39%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 17,292 |
| 2011 | 17,355 |
| 2012 | 17,522 |
| 2013 | 17,696 |
| 2014 | 17,859 |
| 2015 | 18,027 |
| 2016 | 18,051 |
| 2017 | 18,057 |
| 2018 | 18,037 |
| 2019 | 17,976 |
| 2020 | 18,436 |
| 2021 | 18,487 |
| 2022 | 18,384 |
| 2023 | 18,271 |
| 2024 | 18,249 |
Race & Ethnicity
| White | 76.5% |
| Black or African American | 0.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 3.2% |
| Two or More Races | 0.0% |
Economy & Income
$103,258
Median Household Income
$50,203
Per Capita Income
2.0%
Poverty Rate
1.4%
Unemployment Rate
Housing
$758,100
Median Home Value
$1,890
Median Rent
62.3%
Owner-Occupied
Education
94.8%
High School+
44.5%
Bachelor's+
Commute
0.0%
Drive Alone
70.7%
Public Transit
11.5%
Work From Home
23.0 min
Avg Commute
Community Profile
18.8%
Foreign Born
92.6%
Non-English at Home
5.7%
Veterans
15.9%
With Disability
97.9%
Health Insurance
95.3%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 24.7% |
| Education, Health Care & Social Services | 14.4% |
| Finance, Insurance & Real Estate | 11.0% |
| Public Administration | 9.2% |
| Construction | 8.6% |
| Manufacturing | 7.2% |
| Arts, Entertainment & Food Services | 5.6% |
| Retail Trade | 5.1% |
| Information | 2.5% |
| Agriculture & Mining | 1.4% |
| Transportation & Warehousing | 1.3% |
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Frequently Asked Questions
Arroyo Grande, California has a population of 18,412 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 371st-largest city in California.
The median household income in Arroyo Grande, California is $103,258, with 2.0% of residents living below the federal poverty level.
The median home value in Arroyo Grande, California is $758,100, with median monthly rent at $1,890 and a homeownership rate of 62.3%.
The median age in Arroyo Grande, California is 45.2 years. The population is 45.8% male and 54.2% female.
The population has grown 5.5% since 2010 (17,292 → 18,249).
Arroyo Grande city, CA Climate
Arroyo Grande city, CA has an average annual temperature of 14.7°C (58°F) and receives about 545 mm of precipitation per year. The warmest month is August and the coldest is January. Figures are 1970–2000 climate normals.
14.7°C
Avg Temp
545
Precip (mm/yr)
Aug
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 12° / 53° | 116 mm |
| February | 12° / 54° | 114 mm |
| March | 13° / 55° | 101 mm |
| April | 14° / 57° | 32 mm |
| May | 15° / 59° | 10 mm |
| June | 16° / 62° | 2 mm |
| July | 17° / 63° | 1 mm |
| August | 18° / 64° | 2 mm |
| September | 18° / 64° | 10 mm |
| October | 16° / 62° | 22 mm |
| November | 14° / 57° | 53 mm |
| December | 12° / 53° | 82 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Arroyo Grande city, CA
The most comfortable months to visit Arroyo Grande city, CA are typically August, July and September, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 24°C high). The coldest is January (near 5°C low). January is usually the wettest month.
Where to stay near Arroyo Grande
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.