US Census Data

ZIP Code 63304

ZIP Code Tabulation Area in St. Charles County, Missouri.

Population
43,389
+5.3%’19–’23
Median household income
$114,124
+14.5%’19–’23
Median home value
$331,300
+35.6%’19–’23

ZIP Code 63304 (St. Charles County, Missouri) is home to about 43,389 residents. At $114,124, its median household income sits above St. Charles County's $102,912.

Between 2019 and 2023, ZIP Code 63304's population grew 5.3% from 41,223 to 43,389, while its median gross rent rose 29.0% from $1,254 to $1,618.

Households average 2.67 people. The median gross rent is $1,618.

Demographics

ACS 2019–2023
Population
43,389
Median age
41.3 yrs
Median household income
$114,124
Median home value
$331,300
Median gross rent
$1,618
Housing units
16,665
Homeownership rate
88.4%
Bachelor's degree or higher
48.0%
Unemployment rate
3.8%

Trends

ACS 5-year · 2019–2023
Population
41,22343,389
Median household income
$99,691$114,124
Median home value
$244,400$331,300
Median gross rent
$1,254$1,618
YearPopulationMedian household incomeMedian home valueMedian gross rent
201941,223$99,691$244,400$1,254
202042,586$101,663$256,900$1,313
202142,342$103,766$271,300$1,380
202242,738$111,114$300,700$1,452
202343,389$114,124$331,300$1,618

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

CountShare
Under 52,0444.7%
5 to 178,08318.6%
18 to 243,1607.3%
25 to 344,52410.4%
35 to 445,97113.8%
45 to 545,72713.2%
55 to 646,32214.6%
65 to 744,65410.7%
75 and over2,9046.7%

Race & ethnicity

CountShare
White (non-Hispanic)37,74787.0%
Black or African American1,6353.8%
American Indian & Alaska Native100.0%
Asian7241.7%
Native Hawaiian & Pacific Islander00.0%
Some other race900.2%
Two or more races1,3693.2%
Hispanic or Latino (any race)1,8144.2%

Educational attainment (age 25+)

CountShare
No high school diploma1,1543.8%
High school graduate5,98719.9%
Some college or associate's8,50428.3%
Bachelor's degree8,97829.8%
Graduate or professional degree5,47918.2%

Commute to work

Mean travel time to work
25 min

How workers get to work

CountShare
Drove alone17,19876.2%
Carpooled1,1465.1%
Public transit00.0%
Walked290.1%
Bicycle00.0%
Worked from home3,91617.3%
Other means2881.3%

Travel time

CountShare
Under 15 min3,20417.2%
15 to 29 min9,17049.1%
30 to 44 min4,59424.6%
45 to 59 min1,0885.8%
60+ min6053.2%

Households

Average household size
2.67
Poverty rate
4.0% (1,705 of 43,108)
CountShare
Family households12,48276.9%
Nonfamily households3,74023.1%

Housing

Median year structure built
1991

Occupancy

CountShare
Occupied16,22297.3%
Vacant4432.7%

Tenure (of occupied units)

CountShare
Owner-occupied14,34688.4%
Renter-occupied1,87611.6%

Units in structure

CountShare
1-unit, detached14,12484.8%
1-unit, attached8244.9%
2 to 4 units2181.3%
5 to 19 units8265.0%
20 or more units6263.8%
Mobile home & other470.3%

Geography

ZCTA
63304
Land area
55 sq mi
Water area
3.29 sq mi
Center point
38.7061, -90.6860

Counties this ZIP covers

1

Compare with nearby ZIP codes

2

National ZIP rankings

21

Nearby ZIP codes

2