A broad benchmark for homes people own here—not a live asking price.
Moving to Arnold
Suburban · housing, schools, commute, costs and everyday life
About this CityHub guideA Jefferson County suburb centered on I-55 access, established subdivisions, and regional shopping and recreation.
Arnold had an estimated 20,994 residents in 2025. Census data for 2020–2024 reports a $220,000 median owner-occupied home value, $1,112 median gross rent, $78,370 median household income and a 27.2-minute mean commute.
Arnold is the largest city in Jefferson County and serves as a suburban center along Interstate 55 south of St. Louis. Established subdivisions, commercial corridors along Jeffco Boulevard and Missouri Route 141, and city recreation facilities define much of its built environment.
At a glance
A feel for Arnold
These local estimates and CityHub editorial ratings are for comparison and orientation. They are not verified statistics or current prices.
Local snapshot
Best for & local character
Highlights
- 2025 population estimate: 20,994
- Median owner-occupied home value: $220,000
- Median household income: $78,370
- 27.2-minute mean commute
How it scores
CityHub estimates, not official scores. Some ratings are generated from community characteristics.
Is Arnold a good fit?
Arnold can suit Jefferson County households that want established subdivisions and direct south-metro road access. Compare homes by their route to I-55, Route 141 and the services you use.
I-55 is the defining trip toward St. Louis. Test a normal peak-hour drive from the exact home, including time on local roads; interstate access on a map is not the same as a reliable commute.
Does this fit your actual move?
Compare Arnold against your budget, commute, and priorities—or ask about a specific address.
What does housing cost here?
Published Census estimates provide broad context where a reliable community-level figure is available. Check current homes or rentals for actual prices.
The share of occupied homes lived in by their owners.
Useful renter context—not a substitute for current available rentals.
Price is only part of the monthly payment
For a specific home, also account for the interest rate, property taxes, homeowners insurance, HOA fees, utilities, and condition. That’s why two homes with the same price tag can still cost very different amounts every month.
Commute & getting around
I-55 is the defining route toward St. Louis; Route 141 and Jeffco Boulevard organize local travel. Peak-hour interstate conditions are central to the decision.
Which schools serve this address?
The address—not the city name—determines the schools
Arnold is primarily served by Fox C-6, whose system includes Fox and Seckman high schools, four middle schools—Antonia, Fox, Ridgewood and Seckman—and 11 elementary schools. The useful address-level question is which of those two high-school paths and related middle/elementary sequence serves the home. Use the district’s official school directory and enrollment resources, then compare transportation, programs and daily travel from the property.
Identify the district
Start with the property’s complete street address.
Check the boundary tool
Use the district’s official address or attendance lookup.
Confirm before deciding
Ask the district to verify the current assignment and enrollment details.
DESE says its maps are for reference; confirm official boundaries with county authorities and the district.
Official school and district resources
Parks & recreation
City parks, the Arnold Recreation Center and nearby Meramec River recreation provide local options. For homes near river corridors, check the current flood map and insurance requirements.
Everyday life
Richardson Road, Jeffco Boulevard, and Route 141 carry most recurring shopping and services. Daily life is strongly car-oriented.
Questions about moving to Arnold
What is it like to live in Arnold?+
Arnold is the largest city in Jefferson County and serves as a suburban center along Interstate 55 south of St. Louis. Established subdivisions, commercial corridors along Jeffco Boulevard and Missouri Route 141, and city recreation facilities define much of its built environment. Arnold can suit Jefferson County households that want established subdivisions and direct south-metro road access. Compare homes by their route to I-55, Route 141 and the services you use.
What should I know about housing costs in Arnold?+
The published median value of owner-occupied homes (data as of 2024-12-31) is $220,000 in Arnold. That describes existing homes in a survey period, not current listings or the homes available within your budget. Compare actual properties and their condition.
SourceWhat should movers know about schools in Arnold?+
Arnold is primarily served by Fox C-6, whose system includes Fox and Seckman high schools, four middle schools—Antonia, Fox, Ridgewood and Seckman—and 11 elementary schools. The useful address-level question is which of those two high-school paths and related middle/elementary sequence serves the home. Use the district’s official school directory and enrollment resources, then compare transportation, programs and daily travel from the property. Confirm the current school assignment and enrollment rules directly with the district for the specific address.
Use the Missouri DESE school directoryWhat is commuting from Arnold like?+
I-55 is the defining route toward St. Louis; Route 141 and Jeffco Boulevard organize local travel. Peak-hour interstate conditions are central to the decision.
What costs should I consider before moving to Arnold?+
The published median gross rent (data as of 2024-12-31) is $1,112/month in Arnold. This is a survey measure, not a current rental quote. Check current offers, utilities, insurance and travel costs for the exact home.
SourceWhat should I verify before choosing a home in Arnold?+
I-55 is the defining trip toward St. Louis. Test a normal peak-hour drive from the exact home, including time on local roads; interstate access on a map is not the same as a reliable commute. Ferd B. Lang Park is one documented local destination; check the route and current access from the home you are considering. Confirm school assignment, property condition and recurring costs for the exact address.
Put Arnold in context.
The community guide tells you about this place. These guides help answer whether this is the right kind of place for your move.
Build around the commute
Compare Arnold around the trips your household will actually make.
Read guideWhere should you live in St. Louis?
Start with the life you want and use that to narrow the region.
Read guideMore house for the money
Decide whether more space, a bigger lot, another bedroom or a lower payment is the real goal.
Read guideMap of Arnold
See where Arnold sits in the St. Louis region, then open named local places for directions and surrounding context.
Mapped places in this guide
6 verified locationsThis map is for orientation. Confirm municipal, school, floodplain, and parcel boundaries with the appropriate official source.
Places to know
Parks, civic resources, recreation, and recognizable destinations that help explain everyday life in Arnold.
Parks & outdoors
2 placesFerd B. Lang Park
A city park with athletic fields, courts, playgrounds and trails.
Arnold City Park
A city park along the Meramec River with trails and recreation space.
Family destinations
1 placeJefferson County Library — Arnold Branch
The Arnold branch of the Jefferson County Library system.
Arts & culture
1 placeArnold Historical Society Museum
A local museum documenting Arnold and northern Jefferson County history.
Fitness & recreation
1 placeArnold Recreation Center
The city's indoor recreation, fitness and aquatic center.
Civic & everyday
1 placeArnold City Hall
Arnold's municipal offices and primary city-service contact point.
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Open community guideSources, dates & how we got here3 sources · expand
CityHub separates sourced facts from editorial guidance. Official data may describe different time periods; each fact shows its represented date when available.