Arnold, MO
A-
Overall20.9kPopulation

Photo: Wikipedia

Quality of Life

Overall Quality Of Life
A-
Great

A high quality of life with strong walkability, manageable living costs, healthy neighborhood signals, and solid amenity access.

What does this tell us?

Quality of Life blends cost of living, nearby amenities, socioeconomic signals, and neighborhood character. City-level scores represent the whole municipality; individual neighborhoods can differ.

Cost of Living

86/100

14% below national average

A+

The Real Cost of Living in Arnold, MO

TierIndividualFamily (4)
Survival $17k$33k
Comfortable $41k$60k
Luxury $102k+$158k+
Elite (Top 5%) $120k+$186k+
Affordability Ratio

126%

The Area Signal

A metric tracking the socioeconomic signals of the area.

A+
Hood Index scan area
Luxury Lean92%
RisksNeutralGrowth
Premium
40
Positive
27
Poor
3
Negative
2

Groceries

5 within 10 miles

0.5mi

Gas

20 within 10 miles

1mi

Hospital

20 within 20 miles

5.3mi

Airport

Indianapolis International Airport

236.2mi

Post Office

USPS — Arnold, MO

0.8mi

Critical Amenities

Golf7Nearest 2.3 mi
Camping20Nearest 3.7 mi
Marina0 
Winery2Nearest 4.4 mi
Ice Rink1Nearest 8 mi
Gun Range1Nearest 8.8 mi

Quality-of-Life Analysis

Arnold, Missouri, presents a distinctly middle-to-upper-middle-class quality of life, anchored by a cost of living index of 86—14% below the national average—that attracts families and long-term residents seeking suburban stability without the premium price tag of St. Louis County. The city’s population skews toward homeowners and commuters, with a median home value of $209,700 and a median rent of $1,085, creating a community where financial comfort is attainable for dual-income households and skilled tradespeople. This affordability, combined with a 27-minute average commute to downtown St. Louis, positions Arnold as a practical choice for those who prioritize space and value over urban proximity.

Cost of living, housing affordability, and how Arnold compares to nearby areas

Arnold’s cost of living index of 86 undercuts both the national baseline and many neighboring Jefferson County communities, making it one of the more budget-friendly suburbs within the St. Louis metro. The median home value of $209,700 is roughly $30,000 lower than the St. Louis County median, while the median rent of $1,085 is about $150 less per month than comparable units in Fenton or Kirkwood. This gap is driven by Arnold’s lack of a major downtown core and its reliance on retail corridors like Jeffco Boulevard, which keeps land prices moderate. For a family earning the area’s median household income of roughly $65,000, the typical mortgage payment on a $209,700 home (assuming 20% down and a 6.5% rate) would consume about 22% of gross income—well within the 28% threshold lenders consider manageable. Renters fare similarly, with the median rent representing about 20% of gross income for the same household. Compared to the national average where housing costs often exceed 30% of income, Arnold’s affordability is a clear draw for budget-conscious buyers.

Local amenities, schools, and what daily life feels like in Arnold

Daily life in Arnold revolves around practical, family-oriented amenities rather than cultural density. The city is served by the Fox C-6 School District, which includes Fox High School—a school with an enrollment of about 1,800 students and a graduation rate near 90%—and several elementary and middle schools that consistently earn state accreditation with distinction. For errands and entertainment, residents rely on the Arnold Commons shopping center, which houses a Walmart Supercenter, Lowe’s, and a variety of chain restaurants, while the nearby Jefferson County Library’s Arnold branch offers programming for children and seniors. Outdoor recreation centers on the Arnold City Park, a 40-acre complex with sports fields, a walking trail, and a splash pad, plus the nearby Mastodon State Historic Site, which provides hiking and a museum focused on Ice Age fossils. The average commute of 27 minutes—slightly above the national average of 26 minutes—is a trade-off for lower housing costs, with most residents driving I-55 or I-270 into St. Louis for work. The rhythm is quiet and car-dependent: mornings see a steady flow of traffic toward the interstate, evenings are spent at home or at local sports leagues, and weekends often involve trips to the Meramec River for fishing or floating.

Arnold is best suited for families, retirees on fixed incomes, and commuters who value a low-stress, affordable home base over walkable nightlife or urban energy. The combination of a cost of living index of 86, a median home value under $210,000, and a 27-minute commute makes it a strong match for those who want a single-family home with a yard, decent schools, and easy highway access to St. Louis jobs. Singles or young professionals seeking dense social scenes may find Arnold too quiet, but for anyone prioritizing financial breathing room and a safe, predictable suburban routine, the city delivers consistently.

Powered byGrok

Crime

Overall Crime Grade
A+
Very Safe

Lower crime rates than 90% of comparable U.S. locations.

Crime Rate
8.7
Incidents per 1,000 residents
5yr Trend
−51.5%
Overall crime change since 2020

Violent Crime

5yr−52.9%
Homicide
0.00 / 1k Residents100% below state avg
Robbery
0.05 / 1k Residents89% below state avg
Aggravated Assault
0.52 / 1k Residents84% below state avg

Property Crime

5yr−50.2%
Burglary
0.48 / 1k Residents79% below state avg
Larceny-Theft
7.03 / 1k Residents37% below state avg
Motor Vehicle Theft
0.48 / 1k Residents84% below state avg
Source: FBI Crime Data · 2025

Crime Analysis

Arnold, Missouri, reports a violent crime rate of 71.2 incidents per 100,000 residents and a property crime rate of 802.2 per 100,000, figures that position it as a comparatively safe suburb within the St. Louis metropolitan area. These numbers are significantly lower than both the national average and the rates seen in nearby St. Louis city, though property crime remains a more frequent concern for households. The overall safety picture is shaped by Arnold’s status as a bedroom community with a strong police presence and relatively low population density, but its proximity to a major metro area with progressive criminal justice policies introduces risks that residents should weigh carefully.

Crime in context

Arnold’s violent crime rate of 71.2 per 100,000 is roughly one-fifth the national average of about 380 per 100,000 and a fraction of St. Louis city’s rate, which exceeds 2,000 per 100,000. Property crime in Arnold, at 802.2 per 100,000, is below the national average of approximately 1,950 per 100,000 but still notable for a suburb of its size. However, these statistics must be viewed against the backdrop of the broader St. Louis region, where liberal and progressive district attorneys in St. Louis County and St. Louis city have implemented policies such as reduced cash bail, diversion programs for repeat offenders, and limited prosecution of certain property crimes. While these measures aim to reduce incarceration, they have been linked to higher recidivism and a perception of impunity among offenders, which can spill over into surrounding communities like Arnold. Residents should be aware that criminals from the metro core may view suburbs as softer targets, especially for property crimes like vehicle break-ins and package theft.

What residents experience

Daily life in Arnold is generally quiet, with most crime concentrated in commercial corridors like Jeffco Boulevard and around retail centers. Residents report that violent incidents—such as assaults or robberies—are rare and often involve individuals known to each other rather than random attacks. Property crime, including burglary and theft from vehicles, is the more common nuisance, particularly in neighborhoods near Highway 61/67 and Interstate 55. The Arnold Police Department maintains a proactive community policing approach, with regular patrols and a neighborhood watch program, which helps keep crime rates low. However, the influence of progressive justice policies in St. Louis County courts means that even when suspects are arrested, they may face minimal consequences, potentially emboldening repeat offenders. For families and retirees, this creates a tension: the immediate environment feels safe, but the systemic leniency in the broader region undermines long-term security.

Neighborhood-level variation is modest in Arnold, as the city is relatively homogeneous in housing stock and demographics. Areas closer to the Meramec River and newer subdivisions east of Jeffco Boulevard tend to see the lowest crime rates, while older neighborhoods near the city’s southern edge, adjacent to unincorporated Jefferson County, may experience slightly higher property crime. The most significant safety factor is not the neighborhood itself but the city’s location within a metro area where progressive prosecutors have deprioritized enforcement of low-level offenses. For those considering relocation, Arnold offers a safe day-to-day environment, but the regional justice climate warrants caution—particularly for homeowners concerned about property crime and the potential for spillover from St. Louis’s more troubled areas.

Powered byGrok

* Values derived from national, state, county, city and local statistics and may differ in a specific area. Last updated: 2026-04-23T00:59:28.000Z

Narrative content on this page is AI-generated and may contain mistakes. Verify any details that matter before acting on them.

ReloMaps may earn a commission from affiliate links at no extra cost to you.

Arnold, MO