Census place 2963956

St. Ann

A Census profile of the people, homes, and daily patterns that shape this place.

Official Census name: St. Ann city

Relocation snapshot

What stands out in St. Ann.

According to the 2025 estimate, St. Ann has a population of 12,617 and 3,999 residents per square mile. Of the six relocation measures evaluated, the three largest relative differences from the median among 81 covered Missouri places are: population density is 3,999/sq mi, above the comparison median of 1,612/sq mi; median home value is $126,600, below the comparison median of $218,700; and median household income is $52,323, below the comparison median of $68,840. These unweighted medians compare covered Census places and are not statewide estimates.

population density
3,999/sq mi
Above the comparison median of 1,612/sq mi
median home value
$126,600
Below the comparison median of $218,700
median household income
$52,323
Below the comparison median of $68,840

National context

Follow the metrics.

Compare St. Ann's values with other covered Census places. Rankings are descriptive, not recommendations.

At a glance

A city in numbers.

Population
12,617
2025 estimate
Annual change
-0.4%
Population estimate
Density
3,999/sq mi
3.2 sq mi land area
Median age
34.8 years
ACS 5-year estimate

Living here

The everyday equation.

Households, homes, education, and the time it takes to get around.

Median household income
$52,323
Median home value
$126,600
Median gross rent
$976
Bachelor’s degree or higher
20.4%
Typical commute
21.1 min
Drive-alone commute
68.7%
Public transit commute
2.4%
Walked to work
1.6%

Housing

Who rents, and what it takes.

Renter share and rent burden help describe the housing choices visible in this place.

Renter-occupied homes
43.6%
Renters paying 30%+ of income
41.1%

Work

How the workday lands.

Employment status and working-from-home share add context to income and commuting patterns.

Employed residents 16+
68%
Unemployed residents 16+
3.5%
Working from home
12.4%

Community

The everyday infrastructure.

Access, mobility, housing growth, and household composition add another layer to a place's day-to-day picture.

Households with broadband
86.8%
Homes built 2020+
0.3%
Households without a vehicle
11.2%
Households with children
28%
Residents with a disability
22.6%
Residents without insurance
13.1%

Environmental context

A record of declared events.

FEMA declarations for St. Louis County provide historical context, not a forecast or a property-level risk assessment.

Environmental declarations since 2000
21
Severe Storm declarations
11
Flood declarations
6
Severe Ice Storm declarations
3

Climate normals

The long view of weather.

Thirty-year averages, not a forecast. Temperature and precipitation describe the typical conditions recorded from 1991 through 2020.

Representative station: ST LOUIS LAMBERT INTL AP (2 mi from place center)
Average high
66.8°F
Average low
48°F
Annual rainfall
41.7"
Annual snowfall
16.6"

Month by month

A year in St. Ann.

Typical high and low °F
20°F40°F60°F80°F100°F
JFMAMJJASOND
Typical precipitation inches

Data vintage

Population is from the 2025 Population Estimates Program. Household, housing, education, and commute data are from the 2020-2024 American Community Survey 5-year release. Disaster declarations are from FEMA's OpenFEMA dataset and are refreshed with this edition.

Similar places

More places to consider.

Selected by the closest mix of population, density, median home value, and average annual high.

Overland, MO

Population, housing, work, and travel data for this Census place.

Population
15,474
Median home
$131,900

Washington, PA

Population, housing, work, and travel data for this Census place.

Population
13,377
Median home
$128,200

Melvindale, MI

Population, housing, work, and travel data for this Census place.

Population
12,325
Median home
$125,800

Keep exploring

Compare St. Ann with Overland