St. Johns County GIS Maps

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St. Johns County, Florida, has 273,425 residents across 150,880 parcels and covers 600.7 square miles. The population grew 43.9% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for St. Johns County is 12109.

St. Augustine is the county's largest population center. St. Johns County also includes 10 zip codes, 1 public school district and 13 municipalities. Those boundaries help explain why population, schools, and housing can look different from one part of the county to another. The map below shows how those county lines, zip codes, and school districts fit together, and the sections that follow use that same geography to show parcel data, population, demographics, school enrollment and housing patterns in more detail.

Open the Interactive Parcel Viewer Open the Interactive Parcel Viewer

Maps, GIS layers, Parcels and sample data. Paid packages add full layers, analytics and database files.

St. Johns County Trends

Population
273,425▴
Median Home Value
$457,600▴
K-12 Enrollment
52,322▴
St. Johns County in Florida

County analytics dashboards with historical trends & projections included in package downloads.

St. Johns County Maps

The maps below show a few of the county map styles included in our downloads. County packages include map exports in JPEG, PNG, SVG, PDF and GeoTIFF formats plus more than 20 GIS layers for mapping, research and analysis. Available layers include zip codes, area codes, subdivisions, school districts, political boundaries, roads, water features, points of interest and more.

County packages also include historical county demographics, business intelligence, analytical dashboards, AI-ready prompts, markdown files and related reference data. Everything is organized to save hours of manual work collecting current data, cleaning it and joining it together. That makes it easier to move faster on analytics, due diligence, business planning and location research. Paid packages are built for commercial use, but some package contents include source-specific attribution or notice guidance. Review Licensing & Data Source Notices.

St. Johns County Parcels

St. Johns County has 150,880 mapped parcels covering 384,205 acres. The median assessed value is $401,680. The median lot size is 0.23 acres. 3,831 parcels are 10 acres or larger. Of the parcels with a recorded build year, half were built in 2006 or earlier. The records carry 123,196 distinct owner names. About 9% of parcels list an owner mailing address outside Florida. Owner names, mailing addresses, site addresses, assessed values and lot sizes are on nearly every parcel. Browse the interactive St. Johns County Parcel viewer here.

St. Johns County Parcel Data Coverage

Field Parcels Coverage
Parcel ID 150,880 100%
Owner name 150,880 100%
Owner mailing address 148,259 98.3%
Site address 150,880 100%
Land use code 150,880 100%
Land use description 0 0%
Assessed value 150,880 100%
Land value 150,880 100%
Improvement value 0 0%
Acreage 150,880 100%
Parcel boundary 150,880 100%
Download all St. Johns County parcels.

Field coverage measured across all St. Johns County parcel records.

St. Johns County Population

St. Johns County had 273,425 residents in 2020. That was 43.9% higher than in 2010. St. Johns County added 150,290 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 455 people per square mile. Some of the county's most populated postal areas include Jacksonville, Saint Augustine and Saint Augustine.

Population Trend in St. Johns County FL

St. Johns County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.

St. Johns County Zip Codes

St. Johns County has 10 zip codes. Some of the county's most populated zip codes include Jacksonville (32259), Saint Augustine (32092) and Saint Augustine (32084). Jacksonville is the largest zip by population, with about 62,169 residents or 23% of the county total. Together, the three largest zips account for about 51% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in St. Johns County FL

ZIP Area Population Trend
32259 Jacksonville 62,169 ▴ 68.4%
32092 Saint Augustine 43,691 ▴ 54.7%
32084 Saint Augustine 34,526 ▴ 16.1%
32082 Ponte Vedra Beach 31,861 ▴ 9.9%
32086 Saint Augustine 31,452 ▴ 28.1%
Download all zip code data

St. Johns County Zip Code populations and trends per most recent census data.

St. Johns County Demographics

St. Johns County has a median age of 44, which makes the county a little older than Florida overall. About 21.7% of residents are under 18, while 20.9% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 25 to 44 at about 29.7% of the population, which points to a solid working-age base. About 48.6% of adults have a bachelor's degree or higher, above the statewide figure of 33.2%. The county is majority White by population, with Hispanic, Asian, Black and multiracial residents making up a meaningful share of the local mix.

Key Demographics for St. Johns County FL

Median Age

44

Under 18

21.7%

Age 65+

20.9%

Bachelor's+

48.6%

St. Johns County School Districts

St. Johns County is served by 1 public school district with 52,322 students enrolled in 2024. Several larger districts account for a substantial share of students across the county map area. Those three districts account for about 100% of public school enrollment in the map area. Total enrollment has grown modestly since 2017 across the districts shown on the county map.

Largest School Districts by Enrollment in St. Johns County FL

District Enrollment Share Trend
St. Johns County School District 52,322 100% ▴ 1.7%
Download all school district data

St. Johns County school district enrollment and trends per most recent NCES reporting data.

St. Johns County Housing & Real Estate

St. Johns County has a median home value of $457,600 and a median gross rent of $1,775. About 82% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run above the Florida median, while rents come in above the state average. In March 2026, the median listing price was $539,500 and homes spent about 59 days on the market.

St. Johns County Housing Mix

St. Johns County housing mix: owner, renter and vacant units.

St. Johns County Housing Trends

St. Johns County median home value and rent trend (last 5 years).

Businesses in St. Johns County, FL

St. Johns County has 12,413 business listings across 919 categories. The largest categories in St. Johns County business listings are Real Estate Agents (555, 4.5%), Real Estate (183, 1.5%), and Professional Services (165, 1.3%). The full St. Johns County business listings dataset includes names, categories, addresses and contact details where available. St. Johns County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in St. Johns County, FL

Category Businesses Share
Real Estate Agents 555 4.5%
Real Estate 183 1.5%
Professional Services 165 1.3%
Churches & Religious Organizations 159 1.3%
Medical Offices 154 1.2%
Landmark And Historical Building 152 1.2%
Hair Salons 146 1.2%
Parks & Recreation 141 1.1%
Gyms & Fitness 140 1.1%
Hotels 130 1.0%

St. Johns County Business Listings

Business Category City
Ancient City Screen Graphics 3D Printing Service Saint Augustine
Encompass Health Rehabilitation Hospital Abuse And Addiction Treatment St Augustine
Seaside Villas Accommodation St Augustine Beach
Jones, CPA & Associates, PA Accountant St Augustine
First Coast YMCA Active Life Ponte Vedra
Joy Vision Acupuncture Acupuncture Ponte Vedra Beach
ATI Home Inspector Training Adult Education Ponte Vedra Beach
Adam and Eve Stores Adult Entertainment St Augustine
Local Roots Adult Store Saint Augustine
McGRAW Advertising Agency St Augustine
Download St. Johns County business listings

St. Johns County business listings sourced from Overture Maps. Includes locations with a high level of confidence.

Get the Full St. Johns County Data Package

This page shows a preview of what's included in the St. Johns County data package. The full package gives you a ready-to-use county data system with GIS layers, historical data, maps, database files and planning tools that save hours of manual data gathering, cleanup and joins. Everything is organized to help you skip data wrangling and start analysis faster.

  • 20+ GIS layers for parcels, zip codes, school districts, roads, water, boundaries and more
  • Historical county demographics, housing, income and trend data
  • ZIP code population files and school district enrollment history
  • Database files, markdowns, AI-ready prompts and documentation
  • Map exports in PNG, JPEG, PDF, SVG and GeoTIFF formats
  • Offline-ready data explorer, map and analytics tools

Paid packages support commercial use, client work, and derived outputs. Some package contents may include source-specific attribution or provider notices. See Licensing & Data Source Notices.

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