Castroville, California Demographics & Population 2026

Demographic data: ACS 2020–2024 five-year estimates. Sources and methodology

During the 2020–2024 ACS period, Castroville, California had a total population of 6,720, the 592nd largest community in California, with a median household income of $89,354, which is 10% lower than the state average. The poverty rate is 18.4%.

Key Takeaways

Only 5.1% of adults have a bachelor's degree, well below the national average of 35.7%.

Castroville Quick Facts

Population 6,72090% MOE ±807

Median Household Income $89,35490% MOE ±$10,624

Median Home Value $617,10090% MOE ±$39,411

Poverty Rate 18.4%90% MOE ±8.2 pts

Unemployment Rate 4.2%90% MOE ±2.5 pts

Median Age 30.4 years90% MOE ±2.8 years

Homeownership Rate 45.5%90% MOE ±7.5 pts

Affordability Ratio 6.9x

Bachelor's Degree or Higher 5.1%90% MOE ±2.2 pts

Adults 25+ with high school education or higher 55.9%

Diversity Index 17/100

Population 6,720 592nd of 1,570

Median Income $89,354 average

Poverty Rate 18.4% 48% higher than national

Median Home Value $617,100 average

How Castroville Changed

Change from the non-overlapping 2015–2019 ACS period to 2020–2024. Earlier dollar figures are adjusted to 2024 dollars; changes marked “no clear change” are within the combined 90% margins of error.

Metric	2015–2019	2020–2024	Change
Population	6,521	6,720	No clear change (+3.1%)
Median household income	$70,958	$89,354	No clear change (+25.9%)
Median home value¹	$580,156	$617,100	No clear change (+6.4%)
Median gross rent	$1,514	$1,948	No clear change (+28.7%)

¹ The Census Bureau changed its home-value inflation adjustment beginning with the 2022 ACS; interpret that comparison with additional caution.

How Castroville Compares

Median Household Income

Castroville

$89,354

$99,122

National

$80,734

Median Home Value

Castroville

$617,100

$734,700

National

$332,700

Economy & Housing

Household Income Distribution

Under $25K 9.7%

$25K-$50K 19.3%

$50K-$100K 28.3%

$100K+ 42.8%

Detailed income brackets

Under $10K

5.6%

$10K-$15K

1.4%

$15K-$20K

1.6%

$20K-$25K

1.1%

$25K-$30K

5.4%

$30K-$35K

2.5%

$35K-$40K

5.2%

$40K-$45K

4.6%

$45K-$50K

1.6%

$50K-$60K

8.4%

$60K-$75K

4.5%

$75K-$100K

15.4%

$100K-$125K

17.7%

$125K-$150K

3.3%

$150K-$200K

13.6%

$200K+

8.1%

Employment

4.2% Unemployment Rate State: 6.6%|National: 5.2%

60.6% Labor Force Participation

Housing Overview

Owner 45.5%

Renter 54.5%

Affordability Index Expensive

6.9x home value to income ratio

Median gross rent $1,948/mo 26.2% of median household income annually

People & Demographics

Age Distribution

Under 18

36.3%

18-34

20.5%

35-54

24.1%

55-74

17.5%

75+

1.7%

Race & Ethnicity

Diversity Index

Very Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 70 | National average: 61

Education

Educational Attainment (Adults 25+)

Castroville Rankings in California

#592 Population of 1,570

#685 Median Income of 1,375

#1404 Education of 1,570

#606 Home Value of 1,376

Explore California Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Other Cities in Monterey County

City	Population	Median Income	Poverty	Home Value
Salinas	161,761	$91,908	13.6%	$654,100
Seaside	31,814	$85,311	16.0%	$787,100
Monterey	29,613	$102,846	9.8%	$1,076,300
Soledad	26,365	$96,862	16.7%	$595,900
Marina	22,563	$95,955	12.2%	$818,700
Greenfield (Monterey County)	20,232	$84,740	11.4%	$531,400
Prunedale	19,723	$103,819	11.1%	$833,400
Pacific Grove	14,951	$106,065	7.6%	$1,190,400
King City	13,604	$66,761	22.9%	$449,900
Gonzales	8,492	$77,672	6.4%	$618,800

Cities Similar to Castroville

These cities in the same state have comparable population and economic profiles.

City	Population	Median Income	Home Value	Bachelor's+	Poverty
Lake Mathews	6,527	$94,444	$760,900	25.7%	8.1%
Rancho Calaveras	7,131	$88,779	$443,900	14.4%	13.9%
Loomis	6,853	$81,487	$634,500	38.6%	13.5%
Desert Palms	6,579	$79,792	$567,400	46.3%	9.6%
Cherry Valley	6,668	$76,895	$408,000	19.9%	13.2%

Population Overview

Castroville is a small city located in California, within Monterey County. The total population is 6,720. It ranks as the 592nd most populous out of 1,570 Census-designated places in California.

Age Demographics

The median age in Castroville is 30.4 years. This is 20% lower than the state median of 37.9 years. With 36.3% of the population under 18, Castroville has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Castroville is $89,354. This is 10% lower than the state median of $99,122. It is also 11% higher than the national median of $80,734. The poverty rate stands at 18.4%. This is 53% higher than the state poverty rate of 12.0%. The unemployment rate is 4.2%. This is 37% lower than the state rate of 6.6%. The median home value is $617,100. Housing costs are 16% lower than the state median of $734,700. The home-value-to-income ratio of 6.9x suggests that housing affordability is a significant concern for many residents. 45.5% of occupied housing units are owner-occupied. This homeownership rate is 18% lower than the state average of 55.9%.

Race & Ethnicity

Castroville has a predominantly Hispanic or Latino population, comprising 91.3% of all residents. White (non-Hispanic) residents account for 2.8%. The White (non-Hispanic) population (2.8%) is well below the state average of 33.8%. The Black or African American population (1.1%) is well below the state average of 5.2%. The Hispanic or Latino population is significantly higher than the state average (91.3% vs 40.2%). The Asian population (1.1%) is well below the state average of 15.3%.

Education

5.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 86% lower than the state rate of 37.1%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 55.9%.

Data Sources & Methodology

All demographic data for Castroville, California is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against California state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,570 Census-designated places in California. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.

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Frequently Asked Questions

What is the population of Castroville, California?

Castroville, California has a population of 6,720 according to the most recent U.S. Census ACS 5-Year Estimates.

What is the median household income in Castroville, CA?

The median household income in Castroville is $89,354, which is 11% higher than the national median of $80,734.

What is the poverty rate in Castroville, CA?

The poverty rate in Castroville is 18.4%. This means approximately 1,235 residents live below the federal poverty line.

What is the racial makeup of Castroville, California?

Castroville's population is 2.8% White, 1.1% Black, 91.3% Hispanic/Latino, and 1.1% Asian.

What is the median home value in Castroville, CA?

The median home value in Castroville is $617,100. The home-value-to-income ratio is 6.9x.

How educated is Castroville, California?

5.1% of adults (25+) in Castroville hold a bachelor's degree or higher, and 0.9% hold a graduate or professional degree.