Tazewell County GIS Maps
Tazewell County, Illinois, has 131,343 residents and covers 646.4 square miles. The population declined 3% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for Tazewell County is 17179.
Pekin is the county's largest population center. Tazewell County also includes 16 zip codes, 9 public school districts and 40 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 population, demographics, school enrollment and housing patterns in more detail.
Maps, GIS layers and sample data. Paid packages add full layers, analytics and database files.
Tazewell County Trends
- Population
- 131,343▾
- Median Home Value
- $164,500▴
- K-12 Enrollment
- 10,401▾
County analytics dashboards with historical trends & projections included in package downloads.
Free starter access previews county maps, lightweight GIS, and sample data. Paid packages unlock full GIS layers, analytics, and database files.
Tazewell 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.
Tazewell County Population
Tazewell County had 131,343 residents in 2020. That was 3% lower than in 2010. Tazewell County added 2,858 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 203 people per square mile. Some of the county's most populated postal areas include Pekin, Washington and East Peoria.
Population Trend in Tazewell County IL
Tazewell County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Tazewell County Zip Codes
Tazewell County has 16 zip codes. Some of the county's most populated zip codes include Pekin (61554), Washington (61571) and East Peoria (61611). Pekin is the largest zip by population, with about 40,854 residents or 31% of the county total. Together, the three largest zips account for about 68% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Tazewell County IL
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 61554 | Pekin | 40,854 | ▾ -6.7% |
| 61571 | Washington | 24,766 | ▴ 4.3% |
| 61611 | East Peoria | 23,837 | ▾ -5.7% |
| 61550 | Morton | 18,488 | ▴ 4.3% |
| 61610 | East Peoria | 4,942 | ▾ -9.8% |
| Download all zip code data | |||
Tazewell County Zip Code populations and trends per most recent census data.
Tazewell County Demographics
Tazewell County has a median age of 41.7, which makes the county a little older than Illinois overall. About 22.3% of residents are under 18, while 19.5% 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 31.2% of the population, which points to a solid working-age base. About 28.4% of adults have a bachelor's degree or higher, above the statewide figure of 37.2%. The county is mostly White by population, though Hispanic, Asian, Black and multiracial residents are also part of the local mix.
Key Demographics for Tazewell County IL
Median Age
41.7
Under 18
22.3%
Age 65+
19.5%
Bachelor's+
28.4%
Tazewell County School Districts
Tazewell County is served by 9 public school districts with 10,401 students enrolled in 2024. The largest districts on the county map are Morton Community Unit 709, Olympia Community Unit 16 and Eureka Community Unit District 140. Those three districts account for about 63% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, but it is slightly lower than it was in 2017.
Largest School Districts by Enrollment in Tazewell County IL
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Morton Community Unit School District 709 | 3,247 | 31.2% | ▾ -0.4% |
| Olympia Community Unit School District 16 | 1,740 | 16.7% | ▾ -0.6% |
| Eureka Community Unit District 140 | 1,551 | 14.9% | ▴ 1.8% |
| Deer Creek-Mackinaw Community Unit School District 701 | 942 | 9.1% | ▾ -2.6% |
| Tremont Community Unit School District 702 | 883 | 8.5% | ▾ -0.9% |
| Download all school district data | |||
Tazewell County school district enrollment and trends per most recent NCES reporting data.
Tazewell County Housing & Real Estate
Tazewell County has a median home value of $164,500 and a median gross rent of $898. About 78% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the Illinois median, while rents come in below the state average. In March 2026, the median listing price was $212,225 and homes spent about 35 days on the market.
Tazewell County Housing Mix
Tazewell County housing mix: owner, renter and vacant units.
Tazewell County Housing Trends
Tazewell County median home value and rent trend (last 5 years).
Businesses in Tazewell County, IL
Tazewell County has 5,299 business listings across 676 categories. The largest categories in Tazewell County business listings are Churches & Religious Organizations (162, 3.1%), Medical Offices (111, 2.1%), and ATMs (92, 1.7%). The full Tazewell County business listings dataset includes names, categories, addresses and contact details where available. Tazewell County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Tazewell County, IL
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 162 | 3.1% |
| Medical Offices | 111 | 2.1% |
| ATMs | 92 | 1.7% |
| Auto Repair | 86 | 1.6% |
| Insurance Agencies | 84 | 1.6% |
| Parks & Recreation | 79 | 1.5% |
| Contractors | 77 | 1.5% |
| Beauty Salons | 69 | 1.3% |
| Gas Stations | 65 | 1.2% |
| Fast Food | 57 | 1.1% |
Tazewell County Business Listings
| Business | Category | City |
|---|---|---|
| Sauder Sports | 3D Printing Service | East Peoria |
| Adult & Teen Challenge Greater Midwest | Abuse And Addiction Treatment | Pekin |
| ICC - Bookstore | Academic Bookstore | East Peoria |
| Medley Manor | Accommodation | East Peoria |
| Willock Warning and Co | Accountant | Pekin |
| FXB East Peoria | Active Life | East Peoria |
| Synergy Healthcare Physical Medicine | Acupuncture | EAST PEORIA |
| Your girlfriend's house | Adult Entertainment | Morton |
| Scott Automotive Marketing Group | Advertising Agency | Pekin |
| Ag-Land FS | Agricultural Cooperatives | Pekin |
| Download Tazewell County business listings | ||
Tazewell County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Tazewell County Basemaps
Tazewell County map and data packages include a set of useful basemaps to help you get started quickly. These include a custom light grey canvas, USGS topo, imagery and other reference layers that make it easier to build clear, meaningful county maps using the included GIS layers, your own data or both. Pre-rendered map tiles for the light grey basemap are included so you can use them offline or host them on your own CDN.
Get the Full Tazewell County Data Package
This page shows a preview of what's included in the Tazewell 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 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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Nearby Counties
Browse county data pages for the counties that border Tazewell County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.