Postal Codes

34145 ZIP Code

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ZIP code 34145 covers Marco Island, Florida, with a population of about 15,998 and a median household income of $104,105.

Population
15,998984 per square mile
Median age
67.729 points above the US average
Median household income
$104,1051.5× the Florida median
Poverty rate
6.3%6.1 points below the US average
Typical home value
$852,380up 24.6% in five years
Median rent
$1,9551.2× the Florida median
Degree or higher
47.9%12.9 points above the US average
Homeownership
89.9%24.9 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
781

Where 34145 is

Marco Island, Florida — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population15,998
Median age67.7
Family households68.5%
Born outside the US9.2%
Speaks a language other than English at home9.8%
White (non-Hispanic)90.3%
Black (non-Hispanic)0.4%
Asian (non-Hispanic)0.2%
Hispanic or Latino7.4%
Veterans10.5%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$104,105
Income per person$97,179
Poverty rate6.3%
Households on SNAP or cash assistance1.7%

Household income distribution

Under $10k5.5%
$10–15k2.2%
$15–20k1.5%
$20–25k1.6%
$25–30k2.5%
$30–35k1.4%
$35–40k3.7%
$40–45k3.2%
$45–50k2.6%
$50–60k3.8%
$60–75k9.6%
$75–100k11.5%
$100–125k9.7%
$125–150k8.3%
$150–200k6.6%
$200k or more26.2%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed8,670
Mean adjusted gross income$450,661
Returns declaring $200,000 or more33.1%
Returns, under $25k15.1%
Returns, $25k–$50k12.1%
Returns, $50k–$75k9.3%
Returns, $75k–$100k8.4%
Returns, $100k–$200k21.9%
Returns, $200k or more33.1%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$866,200
Median gross rent$1,955
Rent as a share of household income39.6%
Owner-occupied89.9%
Vacant homes54.3%
Median year built1988

What the homes are

Detached house39.6%
Attached house1%
2 to 4 units3.2%
5 to 19 units11.9%
20 or more units43.8%
Mobile home0.6%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$852,380as of 2026-07
Typical home value, 1 yeardown 0.9%
Typical home value, 5 yearsup 24.6%
Typical home value, 10 yearsup 60.6%
Typical asking rent$3,283as of 2026-07
Typical asking rent, 1 yearup 8.9%
Typical home value since 2000
200020132026$988,642$280,467

$280,467 in 2000 to $852,380 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.2%
Bachelor's degree or higher47.9%
High school diploma or higher97.4%
Works from home31.7%
Drives to work alone55.5%
Takes public transport0.5%
Commutes 45 minutes or more15.6%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity23.5% 9.9 pts below the national average of 33.4%
Diagnosed diabetes13.6% 1.6 pts above the national average of 12%
Currently smokes8% 5.2 pts below the national average of 13.2%
High blood pressure44% 9.9 pts above the national average of 34.1%
Fair or poor general health15.2% 5.1 pts below the national average of 20.3%
No health insurance (18–64)7.3% 4 pts below the national average of 11.3%
Depression14.3% 7.6 pts below the national average of 21.9%
No leisure-time physical activity20.5% 4.9 pts below the national average of 25.4%
Arthritis37.8% 12.7 pts above the national average of 25.1%
Binge drinking10% 6 pts below the national average of 16%
Taking blood pressure medication87.1% 12.4 pts above the national average of 74.7%
Cancer (non-skin)18.5% 10.8 pts above the national average of 7.7%
Current asthma8.4% 2 pts below the national average of 10.4%
Coronary heart disease10.6% 4.4 pts above the national average of 6.2%
Routine check-up in past year85.6% 8.9 pts above the national average of 76.7%
Cholesterol screening94.4% 8.5 pts above the national average of 85.9%
Cognitive disability8.7% 6.1 pts below the national average of 14.8%
Colorectal screening79.1% 14.8 pts above the national average of 64.3%
COPD8.1% 1.5 pts above the national average of 6.6%
Visited a dentist70.7% 9.4 pts above the national average of 61.3%
Any disability29.2% 1.5 pts below the national average of 30.7%
Hearing disability11.3% 4.6 pts above the national average of 6.7%
High cholesterol47.7% 11.5 pts above the national average of 36.2%
Independent living disability6.2% 2.2 pts below the national average of 8.4%
Mammography use78.8% 2.9 pts above the national average of 75.9%
Poor mental health (14+ days)10.7% 6.1 pts below the national average of 16.8%
Mobility disability15.6% 1.6 pts above the national average of 14%
Poor physical health (14+ days)13.6% same as the national average of 13.5%
Self-care disability3.3% 0.7 pts below the national average of 4%
Sleeps under 7 hours26.1% 10.3 pts below the national average of 36.4%
Stroke4.7% 1.3 pts above the national average of 3.4%
All natural teeth lost6.4% 6.6 pts below the national average of 13%
Vision disability4.3% 1.3 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments781
People employed7,426
Annual payroll$360,742,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 89.4% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 6 census tracts this ZIP code covers
Expected annual loss83.1 out of 100
Community resilience31.6 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Hurricane98.7Very High at its worst in this ZIP code
Coastal flooding98Relatively High at its worst in this ZIP code
Lightning85.2Relatively High at its worst in this ZIP code
Landslide78.3Relatively Low at its worst in this ZIP code
Wildfire51.2Very Low at its worst in this ZIP code
Heat wave38.1Relatively Low at its worst in this ZIP code
Cold wave34.8Relatively Low at its worst in this ZIP code
Tornado30.6Relatively Low at its worst in this ZIP code
River flooding27.2Relatively Low at its worst in this ZIP code
Strong wind16.9Relatively Low at its worst in this ZIP code
Earthquake6.1Very Low at its worst in this ZIP code
Hail3.7Very Low at its worst in this ZIP code
Compared with Florida and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPFloridaUnited States
Median household income$104,105$71,711$78,538
Income per person$97,179$41,055$43,289
Poverty rate6.3%12.6%12.4%
Median home value$866,200$325,000$303,400
Median gross rent$1,955$1,564$1,348
Homeownership89.9%67.3%65%
Bachelor's degree or higher47.9%33.2%35%
Unemployment rate4.2%4.8%5.2%
Works from home31.7%13.9%13.5%
Born outside the US9.2%21.4%13.9%
Median age67.742.638.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationMARCO IS, FL US2.1 km away
Rain in a year53 in

Average high and low by month

January73.9°F / 54.9°F2.5 in rain
February76.2°F / 57.1°F1.91 in rain
March78.9°F / 59.9°F2.05 in rain
April83.2°F / 64.9°F2.48 in rain
May87.5°F / 69.7°F3.38 in rain
June90.1°F / 74.2°F8.36 in rain
July91.1°F / 75.8°F6.6 in rain
August91.5°F / 76.2°F9.16 in rain
September90°F / 75.2°F9.92 in rain
October86.9°F / 70.7°F3.21 in rain
November80.5°F / 63.4°F2.02 in rain
December76.8°F / 58.6°F1.71 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket74% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Collier County School District100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability20more vulnerable than 20% of US census tracts
Socioeconomic status28more vulnerable than 28% of US census tracts
Household characteristics16more vulnerable than 16% of US census tracts
Racial and ethnic minority status9more vulnerable than 9% of US census tracts
Housing type and transport45more vulnerable than 45% of US census tracts
Walkability8.3 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

34146 Marco Island, FL2.2 km away
34140 Goodland, FL5.4 km away
34113 Naples, FL11.7 km away
34114 Naples, FL13.9 km away
34112 Naples, FL20.4 km away
34102 Naples, FL23.8 km away
34104 Naples, FL24.2 km away
34101 Naples, FL24.7 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Collier County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area16.27 sq mi
Water area15.36 sq mi
Population density984 people per sq mi
Latitude, longitude25.9388, -81.6968

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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