Sanibel, FL · standard
ZIP Code 33957
Lee County, Florida - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 6,469
- 154/sq mi High-density area
- $108,644
- Median income Above-median income area
- $957,300
- Median home value Above-median home value
- 61.0%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Sanibel pairs an upper-quartile household income with top-decile home values, in a rural, homeowner-dominated area.
- Top 14%
- household income, US ZIPs
- Top 3%
- home value, US ZIPs
- 154
- people per sq mi
- 90%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 33957 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 33957 (Sanibel, FL) rose +13.0% from 2023 to 2024. The all-transactions index moved from 250.8 in 2023 to 283.4 in 2024 (2000 = 100).
ZIP code 33957 is a mid-sized community (a standard USPS delivery area) in Sanibel, Lee County, Florida, home to 6,469 residents across 42.0 square miles, a density of 154 people per square mile, in the New York time zone.
ZIP 33957 lands in the middle-income range, with a median household income of $108,644 (41% above the average Florida ZIP), while per-capita income is $112,881. The poverty rate is 11.6%, with unemployment at 5.7%; those measures add context to the income figure. Housing is both higher-cost and owner-heavy: median home value is $957,300 (155% above the average Florida ZIP), while 89.9% of occupied homes are owner-occupied and median rent is $811.
This is a highly-educated ZIP: 61.0% of adults hold a bachelor's degree or higher, the median age is 67.3, and the average commute is -. The page also surfaces 3 ZIP codes within roughly 10 miles and 6 more in Lee County, so 33957 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 33957
Top 5 sectors by establishment count in Sanibel, FL
Which industries have the most business establishments in ZIP 33957.
- Real estate and rental and leasing
Real estate and rental and leasing
66 establishments
- Retail trade
Retail trade
45 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
39 establishments
- Accommodation and food services
Accommodation and food services
28 establishments
- Construction 25
Construction
25 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 33957, Sanibel, 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
6,469
Population
42.0
Area (sq mi)
154
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 33957?
67.3
Median Age
47.4%
Male
52.6%
Female
5.9%
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?
$108,644
Median Household Income
+41% vs state ZIP avg
$112,881
Per Capita Income
11.6%
Poverty Rate
5.7%
Unemployment Rate
How ZIP 33957 ranks among Florida ZIPs
Sanibel, FL household income vs. every Florida ZIP code
Median household income among 946 reporting Florida ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$108,644 Top 12% higher than 88% of 946 Florida ZIPs
Each bar is a $20K-wide band; taller bars hold more Florida 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
8,564housing units
8,564
Total Housing Units
3,170
Occupied Units
5,394
Vacant Units
2.02
Avg Household Size
Occupancy Type
$957,300
Median Home Value
+155% vs state ZIP avg
$811
Median Rent
1983
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
+13.0%
YoY Change (2024)
283
HPI Index (2000 = 100)
+183%
Total Change Since 2000
Home values in ZIP 33957 have increased 13.0% over the past year (2024). Since 2000, this ZIP has seen +183% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +3.4% | 187 |
| 2021 | +12.9% | 211 |
| 2022 | +27.0% | 269 |
| 2023 | -6.6% | 251 |
| 2024 | +13.0% | 283 |
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 292 business establishments in ZIP 33957, employing approximately 1,535 people with a combined annual payroll of $100,878,000.
292
Businesses
1,535
Employees
$100.9M
Annual Payroll
12
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Real estate and rental and leasing | 66 | 22.6% |
| Retail trade | 45 | 15.4% |
| Professional, scientific, and technical services | 39 | 13.4% |
| Accommodation and food services | 28 | 9.6% |
| Construction | 25 | 8.6% |
| Other services (except public administration) | 21 | 7.2% |
| Administrative and support and waste management and remediation services | 20 | 6.8% |
| Finance and insurance | 18 | 6.2% |
| Health care and social assistance | 10 | 3.4% |
| Arts, entertainment, and recreation | 9 | 3.1% |
| Wholesale trade | 4 | 1.4% |
| Utilities | 3 | 1.0% |
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 33957 vs 33956 →
ZIP 33957 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 33914
Cape Coral (33914)
35,848 residents
- 33957 6,469
Sanibel (33957)
6,469 residents
- 33956 3,776
Saint James City (33956)
3,776 residents
- 33945 57
Pineland (33945)
57 residents
What this shows Among its immediate neighbors, ZIP 33957 ranks #2 by population - useful context the national average alone can't give.
ZIP 33957 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 33957
Sanibel (33957)
$108,644 median income
- 33914
Cape Coral (33914)
$83,503 median income
- 33956
Saint James City (33956)
$69,534 median income
What this shows By household income, ZIP 33957 ranks the highest of 3 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 33957, 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 (6,469 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Lee County
Related Areas
Frequently Asked Questions
What county is ZIP code 33957 in?
ZIP code 33957 (Sanibel) is located in Lee County, Florida. Lee County contains multiple ZIP codes, see the full list at /counties/lee-fl.
What is the population of ZIP code 33957?
ZIP code 33957 in Sanibel, FL has a population of 6,469 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 33957?
The median household income in ZIP 33957 is $108,644, which is 42% above the national average of $76,288.
What is the average home value in ZIP 33957?
The median home value in ZIP 33957 is $957,300, which is 244% above the national average of $278,155.
What is the demographic makeup of ZIP 33957?
The largest racial group in ZIP 33957 is White at 94.1%. Hispanic or Latino residents make up 2.0% of the population.
How many businesses are in ZIP code 33957?
ZIP code 33957 has 292 business establishments employing approximately 1,535 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 33957?
The top industries by establishment count in ZIP 33957 are: Real estate and rental and leasing (66), Retail trade (45), Professional, scientific, and technical services (39). There are 12 industry sectors represented in total.
How have home values changed in ZIP code 33957?
According to the FHFA House Price Index, home values in ZIP 33957 increased by 13.0% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 183%. 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 33957?
In ZIP code 33957, 86.8% of residents aged 25+ have a high school diploma or higher, and 61.0% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 33957?
In ZIP code 33957, approximately 89.9% of occupied housing units are owner-occupied and 10.1% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 33957?
The poverty rate in ZIP code 33957 is 11.6% 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 33957's numbers, next.
- See how ZIP 33957 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Sanibel, FL 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.