Castroville, TX demographics:
population, income, and more

Total population
3,092
2.1% year-over-year change
Median household income
$78,460/yr
2.5% year-over-year change
Housing units
1,310
9.2% year-over-year change

Castroville population

How many people live in Castroville

Castroville is home to 3,092 residents, according to the most recent Census data. Gender-wise, 44.2% of Castroville locals are male, and 55.8% are female.

Total population
3,092
2.1% year-over-year change
Gender ratio
Male
44.2%
1,367
Female
55.8%
1,725
Value Percent YoY change
Male 1,367 44.2% 2.5%
Female 1,725 55.8% 1.9%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Castroville is 49, with the population distributed as follows: about 11.5% are children under 15, then 15.6% are in the 15 to 24 age group. Adults between 25 and 44 make up 17.7% of the population, while another 32.6% fall into the 45 to 64 bracket. Finally, around 22.6% are 65 or older.

Median age
48.8
Age breakdown
Under 15
11.5%
15 to 24
15.6%
25 to 44
17.7%
45 to 64
32.6%
Over 65
22.6%
Value Percent YoY change
Under 15 355 11.5% -32.0%
15 to 24 484 15.6% 17.8%
25 to 44 548 17.7% -6.2%
45 to 64 1,007 32.6% 12.9%
Over 65 698 22.6% 12.9%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Castroville, 92.4% of the population are US-born citizens, while 6.1% have gained naturalized citizenship. At the same time, 1.5% of residents are non-citizens. There’s also a share of 26.4% that includes residents with two or more races.

Citizenship
U.S.-born citizens
92.4%
Non-U.S.-born citizens
6.1%
Non-citizens
1.5%
Value Percent YoY change
U.S.-born citizens 2,856 92.4% 0.1%
Non-U.S.-born citizens 189 6.1% 25.2%
Non-citizens 47 1.5% 104.3%
Racial breakdown
White
62.1%
Black or African American
1.6%
American Indian and Alaska Native
0%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
26.4%
Other
10%
Value Percent
White 1,919 62.1%
Black or African American 48 1.6%
Two or more races 817 26.4%
Other 308 10%

Households in Castroville

A peek inside Castroville households

Castroville has 1,211 households, with an average of 2 members in each. Of these, 76% are families, while the remaining 24% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
1,211
9.9% year-over-year change
Average people per household
2
Non-family households
290
Family households
921
Value Percent YoY change
Non-family households 290 24% 38.1%
Family households 921 76% 3.2%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Castroville

The housing landscape of Castroville

Castroville's housing consists of 1,310 units, with 82.4% being detached single-family homes ideal for those wanting space. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 4% of the housing landscape.

Housing units
1,310
9.2% year-over-year change
Housing types
Value Percent
1 unit, detached 1,080 82.4%
3 or 4 units 115 8.8%
5 to 9 units 9 0.7%
10 to 19 units 38 2.9%
20 to 49 units 10 0.8%
50 or more units 5 0.4%
Mobile home 53 4%
Homes built since 2020
6
% year-over-year change

The age of buildings in Castroville

In Castroville, the median construction year is 1984. About 9.8% of homes were built before the 1940s, with another 3.5% going up by 1949. Most development happened in the second half of the 20th century. Then, 9.5% of homes were added from 2000 to 2009, 11.4% between 2010 and 2019, and 0.5% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 129 9.8% -6.5%
Built between 1940 and 1949 46 3.5% -8.0%
Built between 1950 and 1959 72 5.5% 1.4%
Built between 1960 and 1969 160 12.2% 18.5%
Built between 1970 and 1979 163 12.4% -4.7%
Built between 1980 and 1989 190 14.5% 55.7%
Built between 1990 and 1999 270 20.6% -4.6%
Built between 2000 and 2009 125 9.5% -7.4%
Built between 2010 and 2019 149 11.4% 56.8%
Built in 2020 or later 6 0.5% N/A
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Castroville occupancy rates

Out of the 1,211 occupied housing units in Castroville, 73% are owner-occupied, while 27% are lived in by tenants. Meanwhile, 7.6% of all homes on the local market sit vacant.

Occupied housing units
1,211
9.9% year-over-year change
Occupancy breakdown
Renter occupied
327
Owner occupied
884
Value Percent YoY
change
Renter occupied 327 27% -6.3%
Owner occupied 884 73% 17.4%
Unoccupied housing units
7.6%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Castroville housing costs

Housing costs in Castroville come to a median of $1,281 per month, while tenants specifically pay a median gross rent of $1,253.

Median housing costs per month
$1,281/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Castroville
$1,253/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Castroville

Castroville education at a glance

About 25% of the population in Castroville went to high school, while 33.7% pursued college studies. Another 11.4% earned an associate degree and 17.1% hold a bachelor’s. Meanwhile, 9% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 98 3.7% 25.6%
High school diploma 659 25% 5.6%
College diploma 887 33.7% 11.3%
Associate degree 299 11.4% 13.7%
Bachelor's degree 451 17.1% 3.4%
Graduate degree 237 9% 15.1%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Castroville

How much people earn in Castroville

The average annual household income in Castroville was $102,573 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +9.8% change from the previous year. At the same time, the median income stood at $78,460, reflecting a +2.5% shift over the same period.

Average household income in Castroville
$102,573/year
9.8% year-over-year change
Median household income in Castroville
$78,460/year
2.5% year-over-year change

Castroville income by age

In Castroville, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $80,750. Those with someone between 45 and 64 in charge, often well established professionally, earn $116,188 overall. Overall, 94.7% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $80,750 N/A
45 - 64 $116,188 2.2%
Over 65 $65,625 12.0%
Above poverty level
2,819
Below poverty level
159
Value Percent YoY
change
Above poverty level 2,819 94.7% 8.8%
Below poverty level 159 5.3% -41.5%

Average renter income in Castroville

To get a better sense of what renters earn on average in Castroville, their median household income was $63,583 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 23.6%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$63,583
Rent-to-income ratio
23.6%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Castroville

Workforce and job types in Castroville

The job market in Castroville is powered by 1,420 working residents, spread across a range of industries and roles. 84.9% of the working population are employed in professional or administrative positions, while 15.1% are in hands-on or service-based jobs. Also, 5.5% run their own businesses, 66.9% are employed by private companies, and 18.9% work in the public sector.

Workforce demographics

Working population
1,420
7.1% year-over-year change
White collar
1,205
Blue collar
215
Value Percent YoY change
White collar 1,205 84.9% 10.6%
Blue collar 215 15.1% -8.9%
Employer type
Self employees
5.5%
Private companies
66.9%
Governmental workers
18.9%
Not for profit companies
8.7%
Value Percent YoY change
Self employees 78 5.5% 21.9%
Private companies 950 66.9% 6.4%
Governmental workers 268 18.9% 8.1%
Not for profit companies 124 8.7% 2.5%
Unemployment rate
2.2%
23.1% year-over-year change

Available workforce

The unemployment rate in Castroville stands at 2.2%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Castroville

How people get around in Castroville

Commuting methods vary: 81.1% of residents travel by personal vehicle and 2.4% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 1,134 81.1% 8.6%
Bus or trolleybus 1 0.1% 0.0%
Walk 33 2.4% -32.6%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Castroville by zipcode?

Zipcode Population Number of households Median income Average income
78009 9,151 2,980 $103,125 $123,375

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FAQs about Castroville demographics 

What is the total population of Castroville?

Castroville has a total population of 3,092 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +2.1% compared to a year ago.

What is the gender ratio in Castroville?

The gender ratio in Castroville is as follows:
  • 44.2% males (1,367 residents)
  • 55.8% females (1,725 residents)

What is the median age in Castroville?

The median age in Castroville is 48.8.

What is the age distribution of the population in Castroville?

The age distribution in Castroville is as follows:
  • Under 15: 11.5% (355 residents)
  • Ages 15-24: 15.6% (484 residents)
  • Ages 25-44: 17.7% (548 residents)
  • Ages 45-64: 32.6% (1,007 residents)
  • Over 65: 22.6% (698 residents)

What is the racial and ethnic makeup of Castroville?

The racial and ethnic makeup of Castroville is as follows:
  • White: 62.1% (1,919 residents)
  • Black or African American: 1.6% (48 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 0% (0 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 26.4% (817 residents)
  • Other: 10% (308 residents)

What percentage of the population in Castroville are U.S.-born citizens?

U.S.-born citizens represent 92.4% of the population in Castroville.

How many housing units are there in Castroville?

There are 1,310 housing units in Castroville, reflecting a +9.2% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Castroville and what is the average household size?

Castroville has a total of 1,211 households, with an average of 2 people in each.

What is the median household income in Castroville?

Castroville has a median household income of $78,460, representing a +2.5% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Castroville?

The employment rate is 97.8% in Castroville, with a workforce of 1,420 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 84.9% (1,205 residents)
  • Blue-collar workers: 15.1% (215 residents)

Places of employment:
  • Self-employed: 5.5% (78 residents)
  • Private companies: 66.9% (950 residents)
  • Governmental workers: 18.9% (268 residents)
  • Not-for-profit companies: 8.7% (124 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025