PlainZIP

Florissant, MO · standard

ZIP Code 63034

St. Louis County, Missouri - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

17,761
366/sq mi
$103,905
Median income
$239,300
Median home value
40.8%
Bachelor's or higher

The verdict

Florissant pairs an upper-quartile household income with above-median home values, in a low-density, homeowner-dominated area.

Top 17%
household income, US ZIPs
Top 45%
home value, US ZIPs
366
people per sq mi
91%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 63034 against every reporting US ZIP.

ZIP code 63034 is a mid-sized community (a standard USPS delivery area) in Florissant, St. Louis County, Missouri, home to 17,761 residents across 48.5 square miles, a density of 366 people per square mile, in the Chicago time zone.

ZIP 63034 lands in the middle-income range, with a median household income of $103,905 (55% above the Missouri average), while per-capita income is $43,784. 6.1% of residents live below the poverty line, and the unemployment rate reads 5.2%. On housing, the median home value is $239,300 (25% above the state average) with median rent at $1,825 per month, and 91.0% of occupied units are owner-occupied.

A solid share of residents have a four-year degree: 40.8% of adults hold a bachelor's degree or higher, the median age is 41.9, and the average commute is 27 minutes. Beyond these figures, 10 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing St. Louis County, letting you compare 63034 to its immediate surroundings rather than a national baseline alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 63034

Top 5 sectors by establishment count in Florissant, MO

Which industries have the most business establishments in ZIP 63034.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 63034, Florissant, MO · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

17,761

Population

48.5

Area (sq mi)

366

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 63034?

41.9

Median Age

45.8%

Male

54.2%

Female

3.2%

Foreign-Born

White 21.4%
African American 66.0%
Asian 1.5%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 9.9%
Hispanic or Latino 4.6%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$103,905

Median Household Income

+55% vs state

$43,784

Per Capita Income

6.1%

Poverty Rate

5.2%

Unemployment Rate

27.1 min

Mean Commute Time

How ZIP 63034 ranks nationally

Florissant, MO household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$103,905 Top 17% higher than 83% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). This entry sits in this band. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 61.5%
Bachelor's Degree or Higher 40.8%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

6,727

Total Housing Units

6,670

Occupied Units

57

Vacant Units

2.81

Avg Household Size

Occupancy Type

Owner 91.0%
Renter 9.0%

$239,300

Median Home Value

+25% vs state

$1,825

Median Rent

1987

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

-9.8%

YoY Change (2024)

172

HPI Index (2000 = 100)

+72%

Total Change Since 2000

Home values in ZIP 63034 have decreased 9.8% over the past year (2024). Since 2000, this ZIP has seen +72% cumulative appreciation.

Year Annual Change HPI Index
2020 +5.1% 128
2021 +8.3% 139
2022 +15.9% 161
2023 +18.4% 191
2024 -9.8% 172

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 176 business establishments in ZIP 63034, employing approximately 1,619 people with a combined annual payroll of $55,221,000.

176

Businesses

1,619

Employees

$55.2M

Annual Payroll

13

Industry Sectors

Industry Establishments % of Total
Health care and social assistance 66 37.5%
Other services (except public administration) 21 11.9%
Transportation and warehousing 15 8.5%
Professional, scientific, and technical services 12 6.8%
Construction 10 5.7%
Administrative and support and waste management and remediation services 9 5.1%
Accommodation and food services 9 5.1%
Finance and insurance 8 4.5%
Retail trade 6 3.4%
Real estate and rental and leasing 5 2.8%
Manufacturing 3 1.7%
Wholesale trade 3 1.7%
Arts, entertainment, and recreation 3 1.7%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 63034 vs 63033 →

ZIP 63034 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 63034 ranks #8 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 63034 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 63034 ranks #2 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
63033 Florissant, MO 43,000 3.7 mi
63386 West Alton, MO 538 4.2 mi
63031 Florissant, MO 48,212 4.3 mi
63135 Saint Louis, MO 21,334 6.8 mi
63136 Saint Louis, MO 48,560 7.4 mi
63140 Saint Louis, MO 294 7.8 mi
63121 Saint Louis, MO 26,602 9.8 mi
63138 Saint Louis, MO 20,175 6.6 mi
63042 Hazelwood, MO 19,602 6.8 mi
63134 Saint Louis, MO 13,638 7.9 mi

More ZIP Codes in St. Louis County

63021 standard
Ballwin, MO
Pop: 56,261
63129 standard
Saint Louis, MO
Pop: 52,718
63123 standard
Saint Louis, MO
Pop: 49,308
63136 standard
Saint Louis, MO
Pop: 48,560
63031 standard
Florissant, MO
Pop: 48,212
63026 standard
Fenton, MO
Pop: 44,124

Related Areas

St. Louis County Florissant, MO Missouri

Frequently Asked Questions

What county is ZIP code 63034 in? ▼
ZIP code 63034 (Florissant) is located in St. Louis County, Missouri. St. Louis County contains multiple ZIP codes, see the full list at /counties/st-louis-mo-29189.
What is the population of ZIP code 63034? ▼
ZIP code 63034 in Florissant, MO has a population of 17,761 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 63034? ▼
The median household income in ZIP 63034 is $103,905, which is 36% above the national average of $76,288.
What is the average home value in ZIP 63034? ▼
The median home value in ZIP 63034 is $239,300, which is 14% below the national average of $278,155.
What is the demographic makeup of ZIP 63034? ▼
The largest racial group in ZIP 63034 is African American at 66.0%. Hispanic or Latino residents make up 4.6% of the population.
How many businesses are in ZIP code 63034? ▼
ZIP code 63034 has 176 business establishments employing approximately 1,619 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 63034? ▼
The top industries by establishment count in ZIP 63034 are: Health care and social assistance (66), Other services (except public administration) (21), Transportation and warehousing (15). There are 13 industry sectors represented in total.
How have home values changed in ZIP code 63034? ▼
According to the FHFA House Price Index, home values in ZIP 63034 decreased by 9.8% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 72%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 63034? ▼
In ZIP code 63034, 61.5% of residents aged 25+ have a high school diploma or higher, and 40.8% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 63034? ▼
The mean commute time for workers in ZIP code 63034 is 27.1 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 63034? ▼
In ZIP code 63034, approximately 91.0% of occupied housing units are owner-occupied and 9.0% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 63034? ▼
The poverty rate in ZIP code 63034 is 6.1% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.