34145 ZIP Code — Marco Island, FL

Collier County, Florida

ZIP code 34145 is located in Marco Island, Florida, within Collier County. It covers approximately 16.27 square miles and serves a population of 15,942 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 239.

About ZIP code 34145

The housing stock consists of a significant share of large multi-unit buildings. Most homes were built in the 1980s, giving the area an established character. Median home value is $808,800. Owner-occupancy is high at 91%, well above the national average.

The gap between median ($105,315) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 5% is below the national average. 66% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with arts, entertainment, and food service as the leading industry. The average commute of 24 minutes is near the national average. Remote work is prevalent — 26% of workers work from home.

Educational attainment is high — 47% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Notable community characteristics include a notable veteran presence at 13% of civilians, above the national average of 7%.

Overall, ZIP code 34145 reflects a community defined by a strong veteran community, high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.

15,942

population

16.27

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

34145 ZIP code map

Cities in ZIP code 34145

Below are the cities the US Postal Service accepts for ZIP code 34145. Using any city not on this list may result in mail delivery delays.

City	Status
Marco Island	Preferred

Nearby ZIP codes

34113 Naples (7.4 mi) 34114 Naples (11.4 mi) 34112 Naples (12.5 mi) 34102 Naples (14.8 mi) 34104 Naples (15.1 mi) 34117 Naples (15.6 mi) 34116 Naples (17.2 mi) 34105 Naples (17.6 mi) 34103 Naples (18.7 mi)

Demographics updated 05/2026

Population
Total population	15,942
Population density	980 / sq mi
State FIPS	12
County FIPS	021

Geography
Land area	16.27 sq mi
Water area	15.36 sq mi
Latitude	25.9378
Longitude	-81.6997
Timezone	Eastern (ET)
Area code	239

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	27.5%	35.5%	43.4%
$50k – $100k	28.6%	30.1%	30.8%
$100k – $200k	24.1%	22.2%	19.3%
Over $200k	19.8%	12.3%	6.4%

Demographics & statistics

15,942

Population

980

People per sq mi

67.5

Median age

$105,315

Median household income

$92,983

Per capita income

$808,800

Median home value

$1,870

Median monthly rent

90.5%

Home ownership

5.4%

Poverty rate

4.0%

Unemployment

17,346

Housing units

46.7%

Bachelor's or higher

Age distribution

Male Female

105

Under 5

105

170

5–9

172

214

10–14

216

113

15–19

114

161

20–24

163

231

25–34

234

348

35–44

352

517

45–54

521

632

55–59

638

793

60–64

800

1,964

65–74

1,981

2,083

75–84

2,102

604

85+

609

← Male

Female →

Age summary

Group	Count	%
Under 18	1,186	7.4%
18 and over	14,756	92.6%
65 and over	9,343	58.6%
Median age	67.5 years

Race & ethnicity

White 90.5%

Two or more races 4.7%

Hispanic or Latino 3.9%

Black or African American 0.4%

Other race 0.2%

Asian 0.1%

American Indian / Alaska Native 0.1%

Group	Count	%
White	15,013	90.5%
Two or more races	776	4.7%
Hispanic or Latino	650	3.9%
Black or African American	72	0.4%
Other race	37	0.2%
Asian	23	0.1%
American Indian / Alaska Native	21	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	27.5%	35.5%	43.4%
$50k – $100k	28.6%	30.1%	30.8%
$100k – $200k	24.1%	22.2%	19.3%
Over $200k	19.8%	12.3%	6.4%

Under $10k 4.3%

$10k–$15k 2.2%

$15k–$25k 3.0%

$25k–$35k 5.9%

$35k–$50k 7.3%

$50k–$75k 14.9%

$75k–$100k 9.3%

$100k–$150k 18.4%

$150k–$200k 7.5%

$200k+ 27.1%

Range	% of households
Under $10k	4.3%
$10k–$15k	2.2%
$15k–$25k	3.0%
$25k–$35k	5.9%
$35k–$50k	7.3%
$50k–$75k	14.9%
$75k–$100k	9.3%
$100k–$150k	18.4%
$150k–$200k	7.5%
$200k+	27.1%
Median income	$105,315

Housing

Home values

Under $50k 1.9%

$50k–$100k 0.8%

$100k–$150k 0.6%

$150k–$200k 0.8%

$200k–$300k 4.4%

$300k–$500k 16.8%

$500k–$1M 36.7%

$1M+ 37.9%

Housing overview

Metric	Value
Median home value	$808,800
Median rent / month	$1,870
Owner occupied	90.5%
Renter occupied	9.5%
Vacant	54.4%
Single-family detached	40.1%
Large apartment buildings	43.6%
Mobile homes	0.5%
Median rooms	4.4
Avg household size (owned)	1.90

Year built

Era	%
2020 or later	0.3%
2010–2019	5.3%
2000–2009	12.7%
1990–1999	21.9%
1980–1989	36.6%
1970–1979	18.6%
1960–1969	3.8%
1950–1959	0.8%
1940–1949	0.0%
1939 or earlier	0.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.7%
1 bedroom	7.0%
2 bedrooms	42.7%
3 bedrooms	36.0%
4 bedrooms	11.2%
5+ bedrooms	2.4%

Vehicles per household

Vehicles	% of households
No vehicle	3.3%
1 vehicle	41.4%
2 vehicles	47.4%
3 or more	8.0%

Heating fuel

Fuel type	%
Utility gas	2.7%
Electricity	93.8%
Propane / LP gas	2.6%
Solar	0.1%
No fuel used	0.8%

Households & families

Household type	Count	%
Married-couple family	5,374	64.9%
Cohabiting couple	169	2.0%
Male householder, no spouse	1,410	17.0%
Female householder, no spouse	1,323	16.0%
Households with children under 18	652	7.9%
Households with seniors (65+)	6,073	73.4%
Average household size	1.93

Marital status

Status	Male	Female
Never married	9.0%	8.1%
Married	75.7%	72.9%
Separated	0.3%	1.2%
Widowed	7.2%	11.0%
Divorced	7.8%	6.8%

Education

Less than 9th grade 1.9%

Some HS, no diploma 2.4%

HS graduate 21.2%

Some college, no degree 22.1%

Associate's degree 5.8%

Bachelor's degree 25.4%

Graduate / professional 21.3%

Metric	%
HS diploma or higher	95.7%
Bachelor's or higher	46.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	94	7.0%
Kindergarten	57	4.2%
Elementary school	672	49.8%
High school	234	17.3%
College / grad school	292	21.6%

Employment

Industry of employment

Arts, food & hospitality 17.0%

Finance & real estate 13.9%

Retail trade 11.7%

Professional & management 11.2%

Education & healthcare 10.7%

Construction 10.1%

Manufacturing 8.6%

Public administration 4.2%

Wholesale trade 3.6%

Transportation & utilities 2.7%

Information 2.4%

Other services 2.4%

Agriculture & mining 1.7%

Occupation

Category	%
Management, business & arts	46.3%
Service	15.1%
Sales & office	30.3%
Natural resources & construction	4.6%
Production & transportation	3.7%

Employment type

Type	%
Private sector	76.3%
Government	11.9%
Self-employed	11.6%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	63.0%
Carpool	6.4%
Public transit	0.4%
Walk	1.9%
Work from home	25.8%
Other means	2.5%
Avg commute (minutes)	23.9

Poverty

All people 5.4%

Under 18 years 5.7%

18 and over 5.4%

Married-couple families 2.5%

Female-led households 0.0%

Income support

Source	% of households
Social Security	66.3%
Retirement income	49.0%
Supplemental Security	1.7%
Cash public assistance	0.9%
Food stamps / SNAP	1.0%

Health indicators

Condition	%
Obesity	23.2%
High blood pressure	39.8%
High cholesterol	42.3%
Diabetes	13.1%
Heart disease	10.5%
Stroke	4.4%
Asthma	7.6%
Arthritis	33.2%
Kidney disease	4.2%
Pulmonary disease	9.7%
Cancer	12.3%

Behavior / access	%
Smoking	11.8%
Binge drinking	10.8%
No physical activity	23.3%
Less than 7 hrs sleep	26.8%
Depression	15.0%
Fair or poor health	14.7%
Poor mental health	10.6%
Poor physical health	11.3%
No health insurance	14.9%
Visited doctor (checkup)	80.4%
Visited dentist	70.0%
Cholesterol screening	95.9%
Teeth loss	9.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,870	12.7%

Disability	%
Any disability	14.1%
Under 18	4.1%
18–64 years	5.1%
65 and over	20.5%

Health insurance coverage

Type	%
Private insurance	75.9%
Public insurance	62.2%
No insurance	3.1%
Uninsured under 19	4.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	15,732	98.7%
Spanish	417	2.7%
Other Indo-European	213	1.4%
Asian & Pacific Islander	185	1.2%
Other languages	10	0.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	14,414	90.4%
Born in same state	14,250	89.4%
Born in different state	1,326	8.3%
Foreign born	164	1.0%
Naturalized citizen	1,528	9.6%
Not a US citizen	905	59.2%

Ancestry

Ancestry	Count	%
Italian	2,628	16.5%
French	2,187	13.7%
Arab	1,477	9.3%
Polish	256	1.6%
Irish	195	1.2%

Ancestry	Count	%
English	143	0.9%
Dutch	124	0.8%
German	107	0.7%
Norwegian	30	0.2%

Technology access

Metric	% of households
Computer access	51.9%
Internet access	97.0%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 34145

What city is ZIP code 34145 in?

ZIP code 34145 is primarily assigned to Marco Island, Florida.

What county is ZIP code 34145 in?

ZIP code 34145 falls within Collier County, Florida.

Does ZIP code 34145 have an older population?

59% of residents in ZIP code 34145 are 65 or older, above the national average of ~17%.

Does ZIP code 34145 have a large retiree population?

66% of households in ZIP code 34145 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 34145 mostly owner-occupied?

91% of occupied units in ZIP code 34145 are owner-occupied, well above the national average.

How educated is the population of ZIP code 34145?

47% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What timezone is ZIP code 34145 in?

ZIP code 34145 observes the EST timezone.