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Complete relocation guide

Moving to Arnold

Suburban · housing, schools, commute, costs and everyday life

About this CityHub guide

A Jefferson County suburb centered on I-55 access, established subdivisions, and regional shopping and recreation.

The short version

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.

What stands out

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.

The essentials

At a glance

Facts & local estimates
Population estimate
20,994 people
as of 2025-07-01Source
Median value of owner-occupied homes
$220,000
as of 2024-12-31Source
Median gross rent
$1,112/mo
as of 2024-12-31Source
Owner-occupied housing rate
79.8%
as of 2024-12-31Source
Mean commute time
27.2 min
as of 2024-12-31Source
Median household income
$78,370
as of 2024-12-31Source
Median monthly owner costs with mortgage
$1,495/mo
as of 2024-12-31Source
Land area
11.53 square miles
as of 2024-12-31Source
The local picture

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

Jefferson County commutersBuyers seeking established subdivisionsHouseholds prioritizing south-metro road accessSouth metroEstablishedHighway-connectedResidential

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.

Walkability · modeled48
Transit · modeled38
School context · modeled58
Nightlife & dining · modeled48
Parks & outdoors · modeled58
Arts & culture · modeled46
Quiet & peaceful · modeled75
The decision brief

Is Arnold a good fit?

What stands out

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.

Things to check
I-55 determines the commute

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.

Build my shortlist
Homes & housing

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.

Median owner-occupied home value
$220,000

A broad benchmark for homes people own here—not a live asking price.

Data: 2024-12-31View source
Owner-occupied homes
79.8%

The share of occupied homes lived in by their owners.

Data: 2024-12-31View source
Median gross rent
$1,112/mo

Useful renter context—not a substitute for current available rentals.

Data: 2024-12-31View source

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.

Plan the daily trip

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.

Schools

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.

1

Identify the district

Start with the property’s complete street address.

2

Check the boundary tool

Use the district’s official address or attendance lookup.

3

Confirm before deciding

Ask the district to verify the current assignment and enrollment details.

Missouri DESE school directory and map

DESE says its maps are for reference; confirm official boundaries with county authorities and the district.

Official school and district resources

How people spend free time

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.

Errands, routines & convenience

Everyday life

Richardson Road, Jeffco Boulevard, and Route 141 carry most recurring shopping and services. Daily life is strongly car-oriented.

Direct answers for movers

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.

Source
What 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 directory
What 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.

Source
What 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.

Keep narrowing the decision

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.

All “where to live” guides
Understand the geography

Map of Arnold

See where Arnold sits in the St. Louis region, then open named local places for directions and surrounding context.

Open full map

This map is for orientation. Confirm municipal, school, floodplain, and parcel boundaries with the appropriate official source.

Around town

Places to know

Parks, civic resources, recreation, and recognizable destinations that help explain everyday life in Arnold.

Parks & outdoors

2 places
park

Ferd B. Lang Park

A city park with athletic fields, courts, playgrounds and trails.

1820 Old Lemay Ferry Rd, Arnold, MO 63010
Official details
park

Arnold City Park

A city park along the Meramec River with trails and recreation space.

2400 Bradley Beach Rd, Arnold, MO 63010
Official details

Family destinations

1 place
library

Jefferson County Library — Arnold Branch

The Arnold branch of the Jefferson County Library system.

1701 Missouri State Rd, Arnold, MO 63010
Official details

Arts & culture

1 place
history museum

Arnold Historical Society Museum

A local museum documenting Arnold and northern Jefferson County history.

1723 Jeffco Blvd, Arnold, MO 63010
Official details

Fitness & recreation

1 place
recreation center

Arnold Recreation Center

The city's indoor recreation, fitness and aquatic center.

1695 Missouri State Rd, Arnold, MO 63010
Official details

Civic & everyday

1 place
government

Arnold City Hall

Arnold's municipal offices and primary city-service contact point.

2101 Jeffco Blvd, Arnold, MO 63010
Official details
Don’t choose in a vacuum

Compare nearby alternatives

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Sources, 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.