St Johns, Austin, TX demographics:
population, income, and more

Total population
7,930
4.7% year-over-year change
Median household income
$67,682/yr
1.9% year-over-year change
Housing units
4,015
8.0% year-over-year change

St Johns population

How many people live in St Johns

St Johns is home to 7,930 residents, according to the most recent Census data. Gender-wise, 54.2% of St Johns locals are male, and 45.8% are female.

Total population
7,930
4.7% year-over-year change
Gender ratio
Male
54.2%
4,297
Female
45.8%
3,634
Value Percent YoY change
Male 4,297 54.2% 3.9%
Female 3,634 45.8% 5.7%
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 St Johns is 32, with the population distributed as follows: about 16.4% are children under 15, then 15.2% are in the 15 to 24 age group. Adults between 25 and 44 make up 43.5% of the population, while another 17.3% fall into the 45 to 64 bracket. Finally, around 7.6% are 65 or older.

Median age
31.6
Age breakdown
Under 15
16.4%
15 to 24
15.2%
25 to 44
43.5%
45 to 64
17.3%
Over 65
7.6%
Value Percent YoY change
Under 15 1,299 16.4% 13.0%
15 to 24 1,205 15.2% -6.5%
25 to 44 3,449 43.5% 7.2%
45 to 64 1,375 17.3% 5.3%
Over 65 602 7.6% -1.5%
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 St Johns, 72.4% of the population are US-born citizens, while 7.2% have gained naturalized citizenship. At the same time, 20.4% of residents are non-citizens. As for race, 39.1% of locals are Caucasian, 12.5% are African American and 6% have Asian roots. Another 0.9% are Indigenous American, 0.1% are Pacific Islanders, while 12.3% identify as another race. There’s also a share of 29.2% that includes residents with two or more races.

Citizenship
U.S.-born citizens
72.4%
Non-U.S.-born citizens
7.2%
Non-citizens
20.4%
Value Percent YoY change
U.S.-born citizens 5,741 72.4% 5.9%
Non-U.S.-born citizens 573 7.2% -5.6%
Non-citizens 1,616 20.4% 4.7%
Racial breakdown
White
39.1%
Black or African American
12.5%
American Indian and Alaska Native
0.9%
Asian
6%
Native Hawaiian and other Pacific Islander
0.1%
Two or more races
29.2%
Other
12.3%
Value Percent
White 3,102 39.1%
Black or African American 988 12.5%
American Indian and Alaska Native 72 0.9%
Asian 476 6%
Native Hawaiian and other Pacific Islander 6 0.1%
Two or more races 2,314 29.2%
Other 973 12.3%

Households in St Johns

A peek inside St Johns households

St Johns has 3,796 households, with an average of 2 members in each. Of these, 42.8% are families, while the remaining 57.2% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
3,796
6.8% year-over-year change
Average people per household
2
Non-family households
2,171
Family households
1,624
Value Percent YoY change
Non-family households 2,171 57.2% 4.8%
Family households 1,624 42.8% 9.5%
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 St Johns

The housing landscape of St Johns

St Johns's housing consists of 4,015 units, with 22.1% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 8.4% 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 0.2% of the housing landscape.

Housing units
4,015
8.0% year-over-year change
Housing types
Value Percent
1 unit, detached 886 22.1%
1 unit, attached 338 8.4%
2 units 231 5.8%
3 or 4 units 210 5.2%
5 to 9 units 495 12.3%
10 to 19 units 313 7.8%
20 to 49 units 454 11.3%
50 or more units 1,074 26.8%
Mobile home 8 0.2%
Boat, RV, van, etc. 4 0.1%
Homes built since 2020
198
43.5% year-over-year change

The age of buildings in St Johns

In St Johns, the median construction year is 1983. About 0.4% of homes were built before the 1940s, with another 1.4% going up by 1949. Most development happened in the second half of the 20th century. Then, 10.4% of homes were added from 2000 to 2009, 12.1% between 2010 and 2019, and 4.9% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 17 0.4% -15.0%
Built between 1940 and 1949 58 1.4% 0.0%
Built between 1950 and 1959 411 10.2% -1.4%
Built between 1960 and 1969 471 11.7% -2.1%
Built between 1970 and 1979 773 19.2% 22.9%
Built between 1980 and 1989 990 24.7% -0.3%
Built between 1990 and 1999 191 4.8% 26.5%
Built between 2000 and 2009 419 10.4% 18.4%
Built between 2010 and 2019 487 12.1% 2.1%
Built in 2020 or later 198 4.9% 43.5%
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.

St Johns occupancy rates

Out of the 3,796 occupied housing units in St Johns, 20.2% are owner-occupied, while 79.8% are lived in by tenants. Meanwhile, 5.5% of all homes on the local market sit vacant.

Occupied housing units
3,796
6.8% year-over-year change
Occupancy breakdown
Renter occupied
3,030
Owner occupied
766
Value Percent YoY
change
Renter occupied 3,030 79.8% 8.4%
Owner occupied 766 20.2% 0.8%
Unoccupied housing units
5.5%
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.

St Johns housing costs

Housing costs in St Johns come to a median of $1,574 per month, while tenants specifically pay a median gross rent of $1,581.

Median housing costs per month
$1,574/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 St Johns
$1,581/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 St Johns

St Johns education at a glance

About 23.2% of the population in St Johns went to high school, while 21% pursued college studies. Another 3.6% earned an associate degree and 28% hold a bachelor’s. Meanwhile, 15% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 589 9.2% -3.9%
High school diploma 1,491 23.2% 7.0%
College diploma 1,344 21% -8.0%
Associate degree 233 3.6% 37.9%
Bachelor's degree 1,794 28% 11.2%
Graduate degree 965 15% 4.9%
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 St Johns

How much people earn in St Johns

The average annual household income in St Johns was $86,314 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +5.9% change from the previous year. At the same time, the median income stood at $67,682, reflecting a +1.9% shift over the same period.

Average household income in St Johns
$86,314/year
5.9% year-over-year change
Median household income in St Johns
$67,682/year
1.9% year-over-year change

St Johns income by age

In St Johns, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $73,074. Those with someone between 45 and 64 in charge, often well established professionally, earn $75,471 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $61,094, while those led by someone over 65, many of whom may be retired, have about $36,161 in earnings. Overall, 82.1% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $61,094 40.8%
25 - 44 $73,074 2.6%
45 - 64 $75,471 -1.2%
Over 65 $36,161 32.9%
Above poverty level
6,395
Below poverty level
1,391
Value Percent YoY
change
Above poverty level 6,395 82.1% 7.2%
Below poverty level 1,391 17.9% -5.0%

Employment in St Johns

Workforce and job types in St Johns

77.6% of the working population are employed in professional or administrative positions, while 22.4% are in hands-on or service-based jobs. Also, 9.8% run their own businesses, 68.1% are employed by private companies, and 16.7% work in the public sector.

Workforce demographics

White collar
3,803
Blue collar
1,096
Value Percent YoY change
White collar 3,803 77.6% 3.2%
Blue collar 1,096 22.4% 11.9%
Employer type
Self employees
9.8%
Private companies
68.1%
Governmental workers
16.7%
Not for profit companies
5.4%
Value Percent YoY change
Self employees 479 9.8% 8.6%
Private companies 3,338 68.1% 1.2%
Governmental workers 817 16.7% 17.9%
Not for profit companies 265 5.4% 15.2%

Transportation in St Johns

How people get around in St Johns

Commuting methods vary: 90% of residents travel by personal vehicle and 0.7% 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 3,014 90% 1.1%
Taxicab 34 1% 112.5%
Bus or trolleybus 230 6.9% -10.2%
Railroad 8 0.2% -33.3%
Ferryboat 4 0.1% N/A
Motorcycle 29 0.9% 0.0%
Bicycle 5 0.2% -87.5%
Walk 24 0.7% -22.6%
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 St Johns by zipcode?

Zipcode Population Number of households Median income Average income
78752 23,317 11,160 $67,682 $90,405

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FAQs about St Johns demographics 

What is the total population of St Johns?

St Johns has a total population of 7,930 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 +4.7% compared to a year ago.

What is the gender ratio in St Johns?

The gender ratio in St Johns is as follows:
  • 54.2% males (4,297 residents)
  • 45.8% females (3,634 residents)

What is the median age in St Johns?

The median age in St Johns is 31.6.

What is the age distribution of the population in St Johns?

The age distribution in St Johns is as follows:
  • Under 15: 16.4% (1,299 residents)
  • Ages 15-24: 15.2% (1,205 residents)
  • Ages 25-44: 43.5% (3,449 residents)
  • Ages 45-64: 17.3% (1,375 residents)
  • Over 65: 7.6% (602 residents)

What is the racial and ethnic makeup of St Johns?

The racial and ethnic makeup of St Johns is as follows:
  • White: 39.1% (3,102 residents)
  • Black or African American: 12.5% (988 residents)
  • American Indian and Alaska Native: 0.9% (72 residents)
  • Asian: 6% (476 residents)
  • Native Hawaiian and Other Pacific Islander: 0.1% (6 residents)
  • Two or More Races: 29.2% (2,314 residents)
  • Other: 12.3% (973 residents)

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

U.S.-born citizens represent 72.4% of the population in St Johns.

How many housing units are there in St Johns?

There are 4,015 housing units in St Johns, reflecting a +8.0% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

St Johns has a total of 3,796 households, with an average of 2 people in each.

What is the median household income in St Johns?

St Johns has a median household income of $67,682, representing a +1.9% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for St Johns?

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

Job types:
  • White-collar workers: 77.6% (3,803 residents)
  • Blue-collar workers: 22.4% (1,096 residents)

Places of employment:
  • Self-employed: 9.8% (479 residents)
  • Private companies: 68.1% (3,338 residents)
  • Governmental workers: 16.7% (817 residents)
  • Not-for-profit companies: 5.4% (265 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