Looking for a certified arborist in Zion, IL? Describe your project once and up to three certified arborists who work in Zion and Lake County get back to you with a quote. It's free and there is no obligation.
Zion is home to about 24,583 people (2024 Census Bureau estimate), a stable community (−0.8% since 2020). With 2,472 people per sq mi, it is a suburban area. Tree ordinances and construction near mature trees are the usual reasons residents need an arborist report.
Zion at a glance
- Population (Census Bureau estimate, 2024)
- 24,583 (−0.8% since 2020)
- Rank in Illinois
- 92nd of 1,294 cities and towns
- Land area
- 9.9 sq mi
- Population density
- 2,472 people per sq mi (suburban)
- Type
- City (Zion city)
- Main county
- Lake County
What to check before hiring in Zion
- Local ordinance: check Zion's tree rules: protected sizes, species and permit process.
- Certification: ask for the ISA certification number, and TRAQ for risk assessments.
- Independence: a consulting arborist who does not do removals gives a neutral report.
- Price drivers: number of trees, site visit, and whether a protection plan is needed.
Useful official resources
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ISA: International Society of Arboriculture
Official information and guidance.
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Trees Are Good (ISA)
Official information and guidance.
Services available in Zion
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Arborist report for a permit
Certified arborist report for a tree removal permit or a construction project near protected trees.
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Tree risk assessment
Assessment of a tree's condition and risk of failure, with recommendations.
Frequently asked questions in Zion
How much does an arborist report cost in Zion, IL?
It depends on the number of trees and the report required. Describe your project: arborists who serve Zion reply with a quote.
How long does it take?
Often a site visit within days and the report within a week or two.
Do I need a permit to remove a tree?
It depends on the city and the tree; check before you cut.
Which certified arborists will contact me?
Up to three independent certified arborists who serve Zion and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.