Grantville, San Diego, CA demographics:
population, income, and more

Total population
8,979
3.4% year-over-year change
Median household income
$120,201/yr
11.1% year-over-year change
Housing units
4,212
3.3% year-over-year change

Grantville population

How many people live in Grantville

Grantville is home to 8,979 residents, according to the most recent Census data. Gender-wise, 50.1% of Grantville locals are male, and 49.9% are female.

Total population
8,979
3.4% year-over-year change
Gender ratio
Male
50.1%
4,497
Female
49.9%
4,482
Value Percent YoY change
Male 4,497 50.1% 3.0%
Female 4,482 49.9% 3.7%
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 Grantville is 34, with the population distributed as follows: about 16.8% are children under 15, then 11.7% are in the 15 to 24 age group. Adults between 25 and 44 make up 39.1% of the population, while another 19.7% fall into the 45 to 64 bracket. Finally, around 12.6% are 65 or older.

Median age
33.5
Age breakdown
Under 15
16.8%
15 to 24
11.7%
25 to 44
39.1%
45 to 64
19.7%
Over 65
12.6%
Value Percent YoY change
Under 15 1,513 16.8% 2.8%
15 to 24 1,051 11.7% 1.2%
25 to 44 3,510 39.1% 4.7%
45 to 64 1,772 19.7% 1.6%
Over 65 1,133 12.6% 4.8%
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 Grantville, 80.2% of the population are US-born citizens, while 12.9% have gained naturalized citizenship. At the same time, 7% of residents are non-citizens. As for race, 58.4% of locals are Caucasian, 6.7% are African American and 10.8% have Asian roots. Another 0.4% are Indigenous American, 0.4% are Pacific Islanders, while 6.3% identify as another race. There’s also a share of 17% that includes residents with two or more races.

Citizenship
U.S.-born citizens
80.2%
Non-U.S.-born citizens
12.9%
Non-citizens
7%
Value Percent YoY change
U.S.-born citizens 7,198 80.2% 2.5%
Non-U.S.-born citizens 1,155 12.9% 7.6%
Non-citizens 625 7% 5.8%
Racial breakdown
White
58.4%
Black or African American
6.7%
American Indian and Alaska Native
0.4%
Asian
10.8%
Native Hawaiian and other Pacific Islander
0.4%
Two or more races
17%
Other
6.3%
Value Percent
White 5,240 58.4%
Black or African American 604 6.7%
American Indian and Alaska Native 37 0.4%
Asian 967 10.8%
Native Hawaiian and other Pacific Islander 38 0.4%
Two or more races 1,530 17%
Other 563 6.3%

Households in Grantville

A peek inside Grantville households

Grantville has 3,938 households, with an average of 2 members in each. Of these, 52.8% are families, while the remaining 47.2% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
3,938
3.0% year-over-year change
Average people per household
2
Non-family households
1,857
Family households
2,080
Value Percent YoY change
Non-family households 1,857 47.2% 2.0%
Family households 2,080 52.8% 3.8%
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 Grantville

The housing landscape of Grantville

Grantville's housing consists of 4,212 units, with 27.2% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 13.7% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 0.4% of the housing landscape.

Housing units
4,212
3.3% year-over-year change
Housing types
Value Percent
1 unit, detached 1,146 27.2%
1 unit, attached 578 13.7%
2 units 56 1.3%
3 or 4 units 129 3.1%
5 to 9 units 321 7.6%
10 to 19 units 375 8.9%
20 to 49 units 382 9.1%
50 or more units 1,207 28.6%
Mobile home 18 0.4%
Boat, RV, van, etc. 1 0%
Homes built since 2020
172
93.3% year-over-year change

The age of buildings in Grantville

In Grantville, the median construction year is 1981. About 1.2% of homes were built before the 1940s, with another 0.2% going up by 1949. Most development happened in the second half of the 20th century. Then, 13.7% of homes were added from 2000 to 2009, 13.7% between 2010 and 2019, and 4.1% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 51 1.2% 13.3%
Built between 1940 and 1949 10 0.2% 25.0%
Built between 1950 and 1959 300 7.1% -0.3%
Built between 1960 and 1969 344 8.2% -4.4%
Built between 1970 and 1979 1,164 27.6% 0.9%
Built between 1980 and 1989 564 13.4% 5.8%
Built between 1990 and 1999 452 10.7% 2.3%
Built between 2000 and 2009 578 13.7% -7.7%
Built between 2010 and 2019 578 13.7% 11.2%
Built in 2020 or later 172 4.1% 93.3%
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.

Grantville occupancy rates

Out of the 3,938 occupied housing units in Grantville, 42.7% are owner-occupied, while 57.3% are lived in by tenants. Meanwhile, 6.5% of all homes on the local market sit vacant.

Occupied housing units
3,938
3.0% year-over-year change
Occupancy breakdown
Renter occupied
2,255
Owner occupied
1,683
Value Percent YoY
change
Renter occupied 2,255 57.3% 3.5%
Owner occupied 1,683 42.7% 2.3%
Unoccupied housing units
6.5%
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.

Grantville housing costs

Housing costs in Grantville come to a median of $2,867 per month, while tenants specifically pay a median gross rent of $2,923.

Median housing costs per month
$2,867/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 Grantville
$2,923/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 Grantville

Grantville education at a glance

About 16% of the population in Grantville went to high school, while 19.8% pursued college studies. Another 8% earned an associate degree and 34% hold a bachelor’s. Meanwhile, 20.8% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 109 1.5% 21.1%
High school diploma 1,160 16% 8.9%
College diploma 1,437 19.8% -6.6%
Associate degree 579 8% 0.3%
Bachelor's degree 2,468 34% 2.9%
Graduate degree 1,513 20.8% 11.7%
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 Grantville

How much people earn in Grantville

The average annual household income in Grantville was $139,028 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +4.2% change from the previous year. At the same time, the median income stood at $120,201, reflecting a +11.1% shift over the same period.

Average household income in Grantville
$139,028/year
4.2% year-over-year change
Median household income in Grantville
$120,201/year
11.1% year-over-year change

Grantville income by age

In Grantville, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $115,347. Those with someone between 45 and 64 in charge, often well established professionally, earn $147,845 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $87,222, while those led by someone over 65, many of whom may be retired, have about $95,411 in earnings. Overall, 90.4% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $87,222 24.1%
25 - 44 $115,347 3.1%
45 - 64 $147,845 5.2%
Over 65 $95,411 -2.5%
Above poverty level
7,969
Below poverty level
842
Value Percent YoY
change
Above poverty level 7,969 90.4% 2.8%
Below poverty level 842 9.6% 9.5%

Employment in Grantville

Workforce and job types in Grantville

91.6% of the working population are employed in professional or administrative positions, while 8.4% are in hands-on or service-based jobs. Also, 9.8% run their own businesses, 62.6% are employed by private companies, and 17.9% work in the public sector.

Workforce demographics

White collar
4,131
Blue collar
379
Value Percent YoY change
White collar 4,131 91.6% 2.5%
Blue collar 379 8.4% -5.0%
Employer type
Self employees
9.8%
Private companies
62.6%
Governmental workers
17.9%
Not for profit companies
9.7%
Value Percent YoY change
Self employees 440 9.8% 8.1%
Private companies 2,823 62.6% -0.2%
Governmental workers 808 17.9% 6.9%
Not for profit companies 439 9.7% 0.9%

Transportation in Grantville

How people get around in Grantville

In Grantville, the average commute time is 7 minutes. Commuting methods vary: 95.6% of residents travel by personal vehicle and 1.8% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
7 min
40.0% year-over-year change
Means of transportation
Value Percent YoY change
Car 3,674 95.6% 1.2%
Taxicab 8 0.2% -20.0%
Bus or trolleybus 55 1.4% -1.8%
Motorcycle 30 0.8% 50.0%
Bicycle 5 0.1% -28.6%
Walk 69 1.8% 30.2%
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 Grantville by zipcode?

Zipcode Population Number of households Median income Average income
92108 26,790 14,010 $103,884 $123,856
92120 31,915 12,404 $120,661 $152,268
92124 30,474 11,332 $120,201 $142,088

Find your place

Explore more communities

FAQs about Grantville demographics 

What is the total population of Grantville?

Grantville has a total population of 8,979 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 +3.4% compared to a year ago.

What is the gender ratio in Grantville?

The gender ratio in Grantville is as follows:
  • 50.1% males (4,497 residents)
  • 49.9% females (4,482 residents)

What is the median age in Grantville?

The median age in Grantville is 33.5.

What is the age distribution of the population in Grantville?

The age distribution in Grantville is as follows:
  • Under 15: 16.8% (1,513 residents)
  • Ages 15-24: 11.7% (1,051 residents)
  • Ages 25-44: 39.1% (3,510 residents)
  • Ages 45-64: 19.7% (1,772 residents)
  • Over 65: 12.6% (1,133 residents)

What is the racial and ethnic makeup of Grantville?

The racial and ethnic makeup of Grantville is as follows:
  • White: 58.4% (5,240 residents)
  • Black or African American: 6.7% (604 residents)
  • American Indian and Alaska Native: 0.4% (37 residents)
  • Asian: 10.8% (967 residents)
  • Native Hawaiian and Other Pacific Islander: 0.4% (38 residents)
  • Two or More Races: 17% (1,530 residents)
  • Other: 6.3% (563 residents)

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

U.S.-born citizens represent 80.2% of the population in Grantville.

How many housing units are there in Grantville?

There are 4,212 housing units in Grantville, reflecting a +3.3% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Grantville has a total of 3,938 households, with an average of 2 people in each.

What is the median household income in Grantville?

Grantville has a median household income of $120,201, representing a +11.1% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Grantville?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 91.6% (4,131 residents)
  • Blue-collar workers: 8.4% (379 residents)

Places of employment:
  • Self-employed: 9.8% (440 residents)
  • Private companies: 62.6% (2,823 residents)
  • Governmental workers: 17.9% (808 residents)
  • Not-for-profit companies: 9.7% (439 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