St Johns County, FL demographics:
population, income, and more

Total population
311,914
5.2% year-over-year change
Median household income
$108,544/yr
1.5% year-over-year change
Housing units
135,348
5.1% year-over-year change

St Johns County population

How many people live in St Johns County

St Johns County is home to 311,914 residents, according to the most recent Census data. Gender-wise, 48.9% of St Johns County locals are male, and 51.1% are female.

Total population
311,914
5.2% year-over-year change
Gender ratio
Male
48.9%
152,429
Female
51.1%
159,485
Value Percent YoY change
Male 152,429 48.9% 5.2%
Female 159,485 51.1% 5.2%
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 County is 44, with the population distributed as follows: about 17.4% are children under 15, then 10.8% are in the 15 to 24 age group. Adults between 25 and 44 make up 22.9% of the population, while another 27.8% fall into the 45 to 64 bracket. Finally, around 21% are 65 or older.

Median age
44
Age breakdown
Under 15
17.4%
15 to 24
10.8%
25 to 44
22.9%
45 to 64
27.8%
Over 65
21%
Value Percent YoY change
Under 15 54,338 17.4% 4.5%
15 to 24 33,817 10.8% 5.1%
25 to 44 71,484 22.9% 5.2%
45 to 64 86,660 27.8% 4.9%
Over 65 65,615 21% 6.3%
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 County, 87.9% of the population are US-born citizens, while 8.8% have gained naturalized citizenship. At the same time, 3.3% of residents are non-citizens. As for race, 79.1% of locals are Caucasian, 5% are African American and 3.8% have Asian roots. There’s also a share of 9.9% that includes residents with two or more races.

Citizenship
U.S.-born citizens
87.9%
Non-U.S.-born citizens
8.8%
Non-citizens
3.3%
Value Percent YoY change
U.S.-born citizens 274,281 87.9% 4.8%
Non-U.S.-born citizens 27,431 8.8% 11.6%
Non-citizens 10,202 3.3% 0.1%
Racial breakdown
White
79.1%
Black or African American
5%
American Indian and Alaska Native
0.1%
Asian
3.8%
Native Hawaiian and other Pacific Islander
0%
Two or more races
9.9%
Other
2%
Value Percent
White 246,771 79.1%
Black or African American 15,761 5%
American Indian and Alaska Native 266 0.1%
Asian 11,754 3.8%
Native Hawaiian and other Pacific Islander 134 0%
Two or more races 30,963 9.9%
Other 6,265 2%

Households in St Johns County

A peek inside St Johns County households

St Johns County has 117,638 households, with an average of 2 members in each. Of these, 73.9% are families, while the remaining 26.1% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
117,638
6.6% year-over-year change
Average people per household
2
Non-family households
30,730
Family households
86,908
Value Percent YoY change
Non-family households 30,730 26.1% 9.4%
Family households 86,908 73.9% 5.6%
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 County

The housing landscape of St Johns County

St Johns County's housing consists of 135,348 units, with 72.2% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 5.4% 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 4.8% of the housing landscape.

Housing units
135,348
5.1% year-over-year change
Housing types
Value Percent
1 unit, detached 97,733 72.2%
1 unit, attached 7,248 5.4%
2 units 1,446 1.1%
3 or 4 units 4,360 3.2%
5 to 9 units 5,097 3.8%
10 to 19 units 6,182 4.6%
20 to 49 units 4,127 3%
50 or more units 2,652 2%
Mobile home 6,455 4.8%
Boat, RV, van, etc. 48 0%
Homes built since 2020
14,753
86.0% year-over-year change

The age of buildings in St Johns County

In St Johns County, the median construction year is 2002. About 2.5% of homes were built before the 1940s, with another 0.4% going up by 1949. Most development happened in the second half of the 20th century. Then, 23.4% of homes were added from 2000 to 2009, 24.6% between 2010 and 2019, and 10.9% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 3,344 2.5% 0.3%
Built between 1940 and 1949 484 0.4% -22.1%
Built between 1950 and 1959 2,222 1.6% 0.6%
Built between 1960 and 1969 2,875 2.1% -7.2%
Built between 1970 and 1979 9,617 7.1% 1.2%
Built between 1980 and 1989 20,075 14.8% 1.6%
Built between 1990 and 1999 17,020 12.6% -5.9%
Built between 2000 and 2009 31,730 23.4% -2.0%
Built between 2010 and 2019 33,228 24.6% 4.4%
Built in 2020 or later 14,753 10.9% 86.0%
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 Johns County occupancy rates

Out of the 117,638 occupied housing units in St Johns County, 82.3% are owner-occupied, while 17.7% are lived in by tenants. Meanwhile, 13.1% of all homes on the local market sit vacant.

Occupied housing units
117,638
6.6% year-over-year change
Occupancy breakdown
Renter occupied
20,805
Owner occupied
96,833
Value Percent YoY
change
Renter occupied 20,805 17.7% 5.8%
Owner occupied 96,833 82.3% 6.8%
Unoccupied housing units
13.1%
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 Johns County housing costs

Housing costs in St Johns County come to a median of $1,792 per month, while tenants specifically pay a median gross rent of $1,856.

Median housing costs per month
$1,792/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 County
$1,856/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 County

St Johns County education at a glance

About 22.8% of the population in St Johns County went to high school, while 18.4% pursued college studies. Another 9.3% earned an associate degree and 30.1% hold a bachelor’s. Meanwhile, 17.8% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 3,862 1.6% 3.9%
High school diploma 55,648 22.8% -1.1%
College diploma 45,092 18.4% 2.1%
Associate degree 22,799 9.3% 3.7%
Bachelor's degree 73,678 30.1% 10.7%
Graduate degree 43,449 17.8% 10.2%
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 County

How much people earn in St Johns County

The average annual household income in St Johns County was $144,444 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +3.2% change from the previous year. At the same time, the median income stood at $108,544, reflecting a +1.5% shift over the same period.

Average household income in St Johns County
$144,444/year
3.2% year-over-year change
Median household income in St Johns County
$108,544/year
1.5% year-over-year change

St Johns County income by age

In St Johns County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $142,267. Those with someone between 45 and 64 in charge, often well established professionally, earn $126,040 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $30,325, while those led by someone over 65, many of whom may be retired, have about $77,829 in earnings. Overall, 93.6% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $30,325 -47.6%
25 - 44 $142,267 20.8%
45 - 64 $126,040 6.4%
Over 65 $77,829 1.3%
Above poverty level
286,144
Below poverty level
19,716
Value Percent YoY
change
Above poverty level 286,144 93.6% 5.4%
Below poverty level 19,716 6.4% 3.1%

Employment in St Johns County

Workforce and job types in St Johns County

88.5% of the working population are employed in professional or administrative positions, while 11.5% are in hands-on or service-based jobs. Also, 13.3% run their own businesses, 66.5% are employed by private companies, and 11.4% work in the public sector.

Workforce demographics

White collar
130,440
Blue collar
16,946
Value Percent YoY change
White collar 130,440 88.5% 7.9%
Blue collar 16,946 11.5% -3.1%
Employer type
Self employees
13.3%
Private companies
66.5%
Governmental workers
11.4%
Not for profit companies
8.9%
Value Percent YoY change
Self employees 19,571 13.3% 0.3%
Private companies 97,971 66.5% 7.0%
Governmental workers 16,781 11.4% 12.1%
Not for profit companies 13,063 8.9% 5.9%

Transportation in St Johns County

How people get around in St Johns County

In St Johns County, the average commute time is 129 minutes. Commuting methods vary: 97.6% of residents travel by personal vehicle and 1.1% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
129 min
63.3% year-over-year change
Means of transportation
Value Percent YoY change
Car 102,782 97.6% 2.3%
Taxicab 324 0.3% 14.9%
Bus or trolleybus 109 0.1% 5.8%
Motorcycle 208 0.2% -0.9%
Bicycle 704 0.7% 0.1%
Walk 1,175 1.1% 12.7%
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 County by zipcode?

Zipcode Population Number of households Median income Average income
32080 20,894 10,266 $92,531 $129,294
32081 29,784 10,657 $131,624 $193,713
32082 29,289 13,138 $124,558 $203,034
32084 37,291 15,231 $73,837 $92,897
32086 34,855 14,374 $76,512 $92,808
32259 75,016 23,885 $150,736 $171,694
32092 53,071 18,425 $131,020 $149,217
32095 21,399 7,302 $136,038 $168,900
32145 5,759 2,165 $75,557 $112,158
32033 4,556 2,195 $86,185 $130,726

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FAQs about St Johns County demographics 

What is the total population of St Johns County?

St Johns County has a total population of 311,914 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 +5.2% compared to a year ago.

What is the gender ratio in St Johns County?

The gender ratio in St Johns County is as follows:
  • 48.9% males (152,429 residents)
  • 51.1% females (159,485 residents)

What is the median age in St Johns County?

The median age in St Johns County is 44.

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

The age distribution in St Johns County is as follows:
  • Under 15: 17.4% (54,338 residents)
  • Ages 15-24: 10.8% (33,817 residents)
  • Ages 25-44: 22.9% (71,484 residents)
  • Ages 45-64: 27.8% (86,660 residents)
  • Over 65: 21% (65,615 residents)

What is the racial and ethnic makeup of St Johns County?

The racial and ethnic makeup of St Johns County is as follows:
  • White: 79.1% (246,771 residents)
  • Black or African American: 5% (15,761 residents)
  • American Indian and Alaska Native: 0.1% (266 residents)
  • Asian: 3.8% (11,754 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (134 residents)
  • Two or More Races: 9.9% (30,963 residents)
  • Other: 2% (6,265 residents)

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

U.S.-born citizens represent 87.9% of the population in St Johns County.

How many housing units are there in St Johns County?

There are 135,348 housing units in St Johns County, reflecting a +5.1% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

St Johns County has a total of 117,638 households, with an average of 2 people in each.

What is the median household income in St Johns County?

St Johns County has a median household income of $108,544, representing a +1.5% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for St Johns County?

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

Job types:
  • White-collar workers: 88.5% (130,440 residents)
  • Blue-collar workers: 11.5% (16,946 residents)

Places of employment:
  • Self-employed: 13.3% (19,571 residents)
  • Private companies: 66.5% (97,971 residents)
  • Governmental workers: 11.4% (16,781 residents)
  • Not-for-profit companies: 8.9% (13,063 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