Summerland Key, FL · standard
ZIP Code 33042
Monroe County, Florida - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 5,829
- 88/sq mi
- $103,041
- Median income
- $856,500
- Median home value
- 46.7%
- Bachelor's or higher
The verdict
Summerland Key pairs an upper-quartile household income with top-decile home values, in a rural, homeowner-dominated area.
- Top 17%
- household income, US ZIPs
- Top 4%
- home value, US ZIPs
- 88
- people per sq mi
- 83%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 33042 against every reporting US ZIP.
ZIP code 33042 is classified by USPS as a standard delivery area and covers roughly 66.1 square miles in Summerland Key, Monroe County, Florida. The area is home to 5,829 residents, producing a population density of 88 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 33042 against Florida and the nation.
On the economic side, the median household income for ZIP 33042 sits at $103,041 (34% above the Florida average), while per-capita income is $63,808. The poverty rate stands at 8.4% and the unemployment rate at 3.0%. On housing, the median home value is $856,500 (128% above the state average) with median rent at $2,271 per month, and 82.7% of occupied units are owner-occupied, a direct signal of whether 33042 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 46.7% of adults hold a bachelor's degree or higher, the median age is 52.5, and the average commute is 30 minutes. We also surface 1 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Monroe County, so you can benchmark 33042 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 33042
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 33042.
- Construction
Construction
36 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
34 establishments
- Real estate and rental and leasing
Real estate and rental and leasing
28 establishments
- Administrative and support and waste management and remediation services
Administrative and support and waste management and remediation services
17 establishments
- Accommodation and food services
Accommodation and food services
17 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 + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 33042, Summerland Key, FL · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
5,829
Population
66.1
Area (sq mi)
88
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 33042?
52.5
Median Age
52.2%
Male
47.8%
Female
9.3%
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?
$103,041
Median Household Income
+34% vs state
$63,808
Per Capita Income
8.4%
Poverty Rate
3.0%
Unemployment Rate
29.6 min
Mean Commute Time
How ZIP 33042 ranks nationally
Household income vs. every US ZIP code
Median household income — the full national distribution, with this ZIP marked
$103,041 Top 17% higher than 83% of 30,318 US ZIPs
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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
4,757
Total Housing Units
2,820
Occupied Units
1,937
Vacant Units
2.28
Avg Household Size
Occupancy Type
$856,500
Median Home Value
+128% vs state
$2,271
Median Rent
1990
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
-2.3%
YoY Change (2024)
353
HPI Index (2000 = 100)
+253%
Total Change Since 2000
Home values in ZIP 33042 have decreased 2.3% over the past year (2024). Since 2000, this ZIP has seen +253% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | -0.3% | 228 |
| 2021 | +15.3% | 263 |
| 2022 | +27.4% | 335 |
| 2023 | +7.9% | 361 |
| 2024 | -2.3% | 353 |
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 215 business establishments in ZIP 33042, employing approximately 1,259 people with a combined annual payroll of $59,299,000.
215
Businesses
1,259
Employees
$59.3M
Annual Payroll
15
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 36 | 16.7% |
| Professional, scientific, and technical services | 34 | 15.8% |
| Real estate and rental and leasing | 28 | 13.0% |
| Administrative and support and waste management and remediation services | 17 | 7.9% |
| Accommodation and food services | 17 | 7.9% |
| Retail trade | 15 | 7.0% |
| Other services (except public administration) | 15 | 7.0% |
| Transportation and warehousing | 11 | 5.1% |
| Arts, entertainment, and recreation | 9 | 4.2% |
| Wholesale trade | 7 | 3.3% |
| Finance and insurance | 6 | 2.8% |
| Health care and social assistance | 6 | 2.8% |
| Manufacturing | 4 | 1.9% |
| Information | 4 | 1.9% |
| Educational services | 4 | 1.9% |
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 33042 vs 33043 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 33043 | Big Pine Key, FL | 4,313 | 9.2 mi |
More ZIP Codes in Monroe County
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Frequently Asked Questions
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ZIP Code Research Guides
Official Data Resources for Summerland Key, FL
Verify and explore additional data for this area using these official government sources.
Read our methodology to see how this data is sourced, computed, and verified.