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 High-density area
- $103,905
- Median income Above-median income area
- $239,300
- Median home value Near-median home value
- 40.8%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
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.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 63034 (Florissant, MO) fell -9.8% from 2023 to 2024. The all-transactions index moved from 190.9 in 2023 to 172.1 in 2024 (2000 = 100).
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 average Missouri ZIP), while per-capita income is $43,784. The poverty rate is 6.1%, with unemployment at 5.2%; those measures add context to the income figure. Housing is both higher-cost and owner-heavy: median home value is $239,300 (25% above the average Missouri ZIP), while 91.0% of occupied homes are owner-occupied and median rent is $1,825.
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. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in St. Louis County, so 63034 can be compared with both its immediate and county-level context.
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.
- Health care and social assistance
Health care and social assistance
66 establishments
- Other services (except public administration) 21
Other services (except public administration)
21 establishments
- Transportation and warehousing 15
Transportation and warehousing
15 establishments
- Professional, scientific, and technical services 12
Professional, scientific, and technical services
12 establishments
- Construction 10
Construction
10 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, 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
Who lives in ZIP 63034?
41.9
Median Age
45.8%
Male
54.2%
Female
3.2%
Foreign-Born
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 ZIP avg
$43,784
Per Capita Income
6.1%
Poverty Rate
5.2%
Unemployment Rate
27.1 min
Mean Commute Time
How ZIP 63034 ranks among Missouri ZIPs
Florissant, MO household income vs. every Missouri ZIP code
Median household income among 948 reporting Missouri ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$103,905 Top 6% higher than 94% of 948 Missouri ZIPs
Each bar is a $20K-wide band; taller bars hold more Missouri 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
6,727housing units
6,727
Total Housing Units
6,670
Occupied Units
57
Vacant Units
2.81
Avg Household Size
Occupancy Type
$239,300
Median Home Value
+25% vs state ZIP avg
$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.
- 63136
Saint Louis (63136)
48,560 residents
- 63031
Florissant (63031)
48,212 residents
- 63033
Florissant (63033)
43,000 residents
- 63121
Saint Louis (63121)
26,602 residents
- 63135
Saint Louis (63135)
21,334 residents
- 63138
Saint Louis (63138)
20,175 residents
- 63042
Hazelwood (63042)
19,602 residents
- 63034 17,761
Florissant (63034)
17,761 residents
- 63134 13,638
Saint Louis (63134)
13,638 residents
What this shows Among its immediate neighbors, ZIP 63034 ranks #8 by population - useful context the national average alone can't give.
ZIP 63034 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 63386
West Alton (63386)
$110,250 median income
- 63034
Florissant (63034)
$103,905 median income
- 63031
Florissant (63031)
$70,811 median income
- 63033
Florissant (63033)
$66,776 median income
- 63138
Saint Louis (63138)
$56,096 median income
- 63135
Saint Louis (63135)
$52,328 median income
- 63042
Hazelwood (63042)
$49,453 median income
- 63140
Saint Louis (63140)
$45,568 median income
- 63134
Saint Louis (63134)
$44,680 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.
| 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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 63034, both outside MO so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (17,761 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in St. Louis County
Related Areas
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.
Related
Take this with you
What to do with ZIP 63034's numbers, next.
- See how ZIP 63034 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Florissant, MO ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.