Big Pine Key, FL · standard
ZIP Code 33043
Monroe County, Florida - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 4,313
- 112/sq mi
- $110,491
- Median income
- $638,000
- Median home value
- 30.7%
- Bachelor's or higher
National ZIP placement
Big Pine Key pairs an upper-quartile household income with top-decile home values, in a rural, homeowner-dominated area.
- Top 13%
- household income, US ZIPs
- Top 8%
- home value, US ZIPs
- 112
- people per sq mi
- 88%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 33043 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 33043 (Big Pine Key, FL) rose +1.4% from 2023 to 2024. The all-transactions index moved from 405.3 in 2023 to 411.2 in 2024 (2000 = 100).
ZIP code 33043 covers 38.4 square miles in Big Pine Key, Monroe County, Florida (a standard USPS delivery area), with a modest 4,313 residents on file, a density of 112 people per square mile, in the New York time zone.
ZIP 33043 skews affluent, with a median household income of $110,491 (43% above the average Florida ZIP), while per-capita income is $52,573. The poverty rate is 10.6%, with unemployment at 1.8%; those measures add context to the income figure. Housing is both higher-cost and owner-heavy: median home value is $638,000 (70% above the average Florida ZIP), while 88.4% of occupied homes are owner-occupied and median rent is $1,724.
A solid share of residents have a four-year degree: 30.7% of adults hold a bachelor's degree or higher, the median age is 52.8, and the average commute is 32 minutes. The page also surfaces 1 ZIP codes within roughly 10 miles and 6 more in Monroe County, so 33043 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 33043
Top 5 sectors by establishment count in Big Pine Key, FL
Which industries have the most business establishments in ZIP 33043.
- Construction
Construction
37 establishments
- Other services (except public administration)
Other services (except public administration)
23 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
21 establishments
- Retail trade
Retail trade
19 establishments
- Real estate and rental and leasing
Real estate and rental and leasing
16 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 33043, Big Pine Key, FL · 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
4,313
Population
38.4
Area (sq mi)
112
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 33043?
52.8
Median Age
47.1%
Male
52.9%
Female
5.8%
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?
$110,491
Median Household Income
+43% vs state ZIP avg
$52,573
Per Capita Income
10.6%
Poverty Rate
1.8%
Unemployment Rate
31.5 min
Mean Commute Time
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
2,972housing units
2,972
Total Housing Units
1,879
Occupied Units
1,093
Vacant Units
2.27
Avg Household Size
Occupancy Type
$638,000
Median Home Value
+70% vs state ZIP avg
$1,724
Median Rent
1986
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
+1.4%
YoY Change (2024)
411
HPI Index (2000 = 100)
+311%
Total Change Since 2000
Home values in ZIP 33043 have increased 1.4% over the past year (2024). Since 2000, this ZIP has seen +311% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +5.1% | 249 |
| 2021 | +16.0% | 289 |
| 2022 | +22.7% | 354 |
| 2023 | +14.4% | 405 |
| 2024 | +1.4% | 411 |
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 195 business establishments in ZIP 33043, employing approximately 1,008 people with a combined annual payroll of $43,903,000.
195
Businesses
1,008
Employees
$43.9M
Annual Payroll
14
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 37 | 19.0% |
| Other services (except public administration) | 23 | 11.8% |
| Professional, scientific, and technical services | 21 | 10.8% |
| Retail trade | 19 | 9.7% |
| Real estate and rental and leasing | 16 | 8.2% |
| Administrative and support and waste management and remediation services | 16 | 8.2% |
| Accommodation and food services | 14 | 7.2% |
| Wholesale trade | 11 | 5.6% |
| Health care and social assistance | 9 | 4.6% |
| Finance and insurance | 8 | 4.1% |
| Transportation and warehousing | 5 | 2.6% |
| Arts, entertainment, and recreation | 5 | 2.6% |
| Agriculture, forestry, fishing and hunting | 4 | 2.0% |
| Educational services | 4 | 2.0% |
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 33043 vs 33042 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 33042 | Summerland Key, FL | 5,829 | 9.2 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 33043, both outside FL so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (4,313 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.