St. Augustine, IL demographics:
population, income, and more

Total population
92
-25.2% year-over-year change
Median household income
$/yr
% year-over-year change
Housing units
65
-3.0% year-over-year change

St. Augustine population

How many people live in St. Augustine

St. Augustine is home to 92 residents, according to the most recent Census data. Gender-wise, 58.7% of St. Augustine locals are male, and 41.3% are female.

Total population
92
-25.2% year-over-year change
Gender ratio
Male
58.7%
54
Female
41.3%
38
Value Percent YoY change
Male 54 58.7% -22.9%
Female 38 41.3% -28.3%
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. Augustine is 60, with the population distributed as follows: about 5.4% are children under 15, then 3.3% are in the 15 to 24 age group. Adults between 25 and 44 make up 8.7% of the population, while another 43.5% fall into the 45 to 64 bracket. Finally, around 39.1% are 65 or older.

Median age
60.3
Age breakdown
Under 15
5.4%
15 to 24
3.3%
25 to 44
8.7%
45 to 64
43.5%
Over 65
39.1%
Value Percent YoY change
Under 15 5 5.4% -68.8%
15 to 24 3 3.3% -80.0%
25 to 44 8 8.7% -33.3%
45 to 64 40 43.5% -20.0%
Over 65 36 39.1% 20.0%
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. Augustine, 98.9% of the population are US-born citizens, while 1.1% have gained naturalized citizenship. There’s also a share of 1.1% that includes residents with two or more races.

Citizenship
U.S.-born citizens
98.9%
Non-U.S.-born citizens
1.1%
Non-citizens
0%
Value Percent YoY change
U.S.-born citizens 91 98.9% -25.4%
Non-U.S.-born citizens 1 1.1% 0.0%
Racial breakdown
White
98.9%
Black or African American
0%
American Indian and Alaska Native
0%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
1.1%
Other
0%
Value Percent
White 91 98.9%
Two or more races 1 1.1%

Households in St. Augustine

A peek inside St. Augustine households

St. Augustine has 63 households, with an average of 1 members in each. Of these, 34.9% are families, while the remaining 65.1% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
63
0.0% year-over-year change
Average people per household
1
Non-family households
41
Family households
22
Value Percent YoY change
Non-family households 41 65.1% 57.7%
Family households 22 34.9% -40.5%
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. Augustine

The housing landscape of St. Augustine

St. Augustine's housing consists of 65 units, with 80% 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 18.5% of the housing landscape.

Housing units
65
-3.0% year-over-year change
Housing types
Value Percent
1 unit, detached 52 80%
50 or more units 1 1.5%
Mobile home 12 18.5%
Homes built since 2020
0
% year-over-year change

The age of buildings in St. Augustine

In St. Augustine, the median construction year is 1965. About 27.7% of homes were built before the 1940s, with another 12.3% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 18 27.7% -5.3%
Built between 1940 and 1949 8 12.3% -20.0%
Built between 1950 and 1959 6 9.2% 50.0%
Built between 1960 and 1969 1 1.5% -50.0%
Built between 1970 and 1979 19 29.2% 11.8%
Built between 1990 and 1999 5 7.7% -28.6%
Built between 2000 and 2009 8 12.3% 0.0%
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. Augustine occupancy rates

Out of the 63 occupied housing units in St. Augustine, 87.3% are owner-occupied, while 12.7% are lived in by tenants. Meanwhile, 3.1% of all homes on the local market sit vacant.

Occupied housing units
63
0.0% year-over-year change
Occupancy breakdown
Renter occupied
8
Owner occupied
55
Value Percent YoY
change
Renter occupied 8 12.7% 0.0%
Owner occupied 55 87.3% 0.0%
Unoccupied housing units
3.1%
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. Augustine housing costs

Median housing costs per month
$443/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.

Education in St. Augustine

St. Augustine education at a glance

About 67.8% of the population in St. Augustine went to high school, while 12.6% pursued college studies. Another 14.9% earned an associate degree and 3.4% hold a bachelor’s. Meanwhile, 1.2% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
High school diploma 59 67.8% -3.3%
College diploma 11 12.6% -56.0%
Associate degree 13 14.9% -18.8%
Bachelor's degree 3 3.4% -25.0%
Graduate degree 1 1.2% 0.0%
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. Augustine

How much people earn in St. Augustine

The average annual household income in St. Augustine was $51,244 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -13.1% change from the previous year.

Average household income in St. Augustine
$51,244/year
-13.1% year-over-year change

St. Augustine income by age

Overall, 76.1% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Above poverty level
70
Below poverty level
22
Value Percent YoY
change
Above poverty level 70 76.1% -31.4%
Below poverty level 22 23.9% 4.8%

Employment in St. Augustine

Workforce and job types in St. Augustine

The job market in St. Augustine is powered by 26 working residents, spread across a range of industries and roles. 57.7% of the working population are employed in professional or administrative positions, while 42.3% are in hands-on or service-based jobs. Also, 3.8% run their own businesses, 65.4% are employed by private companies, and 7.7% work in the public sector.

Workforce demographics

Working population
26
-48.0% year-over-year change
White collar
15
Blue collar
11
Value Percent YoY change
White collar 15 57.7% -59.5%
Blue collar 11 42.3% -15.4%
Employer type
Self employees
3.8%
Private companies
65.4%
Governmental workers
7.7%
Not for profit companies
23.1%
Value Percent YoY change
Self employees 1 3.8% 0.0%
Private companies 17 65.4% -55.3%
Governmental workers 2 7.7% -33.3%
Not for profit companies 6 23.1% -25.0%
Unemployment rate
3.7%
-75.0% year-over-year change

Available workforce

The unemployment rate in St. Augustine stands at 3.7%, 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 St. Augustine

How people get around in St. Augustine

Commuting methods vary: 76.9% of residents travel by personal vehicle and 11.5% 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 20 76.9% -51.2%
Bus or trolleybus 1 3.8% -50.0%
Bicycle 2 7.7% 100.0%
Walk 3 11.5% 200.0%
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. Augustine by zipcode?

Zipcode Population Number of households Median income Average income
61474 221 123 $59,583 $77,711

Explore more communities

FAQs about St. Augustine demographics 

What is the total population of St. Augustine?

St. Augustine has a total population of 92 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 -25.2% compared to a year ago.

What is the gender ratio in St. Augustine?

The gender ratio in St. Augustine is as follows:
  • 58.7% males (54 residents)
  • 41.3% females (38 residents)

What is the median age in St. Augustine?

The median age in St. Augustine is 60.3.

What is the age distribution of the population in St. Augustine?

The age distribution in St. Augustine is as follows:
  • Under 15: 5.4% (5 residents)
  • Ages 15-24: 3.3% (3 residents)
  • Ages 25-44: 8.7% (8 residents)
  • Ages 45-64: 43.5% (40 residents)
  • Over 65: 39.1% (36 residents)

What is the racial and ethnic makeup of St. Augustine?

The racial and ethnic makeup of St. Augustine is as follows:
  • White: 98.9% (91 residents)
  • Black or African American: 0% (0 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: 1.1% (1 residents)
  • Other: 0% (0 residents)

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

U.S.-born citizens represent 98.9% of the population in St. Augustine.

How many housing units are there in St. Augustine?

There are 65 housing units in St. Augustine, reflecting a -3.0% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

St. Augustine has a total of 63 households, with an average of 1 people in each.

What is the employment rate and job market overview for St. Augustine?

The employment rate is 96.3% in St. Augustine, with a workforce of 26 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 57.7% (15 residents)
  • Blue-collar workers: 42.3% (11 residents)

Places of employment:
  • Self-employed: 3.8% (1 residents)
  • Private companies: 65.4% (17 residents)
  • Governmental workers: 7.7% (2 residents)
  • Not-for-profit companies: 23.1% (6 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