33043 ZIP Code — Big Pine Key, FL

Monroe County, Florida

ZIP code 33043 is located in Big Pine Key, Florida, within Monroe County. It covers approximately 16.64 square miles and serves a population of 4,547 residents. This is a po box ZIP code in the Eastern (ET) timezone, served by area code 305.

About ZIP code 33043

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1980s, giving the area an established character. Median home value is $460,000. Owner-occupancy is high at 83%, well above the national average.

Median household income is $75,455. 38% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with professional and management as the leading industry. The average commute of 28 minutes is near the national average.

Educational attainment is near the national average, with 28% of residents holding a bachelor's degree or higher.

17% of residents lack health insurance, above the national average.

Overall, ZIP code 33043 reflects a community defined by high homeownership and a significant Social Security-dependent population.

4,547

population

16.64

sq mi land

PO Box

ZIP type

Eastern (ET)

timezone

33043 ZIP code map

Cities in ZIP code 33043

Below are the cities the US Postal Service accepts for ZIP code 33043. Using any city not on this list may result in mail delivery delays.

City	Status
Big Pine Key	Acceptable
Big Pine Key	Acceptable
Big Pine Key	Preferred

Nearby ZIP codes

33042 Summerland Key (10.7 mi)

Demographics updated 05/2026

Population
Total population	4,547
Population density	273 / sq mi
State FIPS	12
County FIPS	087

Geography
Land area	16.64 sq mi
Water area	83.88 sq mi
Latitude	24.6876
Longitude	-81.3150
Timezone	Eastern (ET)
Area code	305

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	37.1%	34.6%	43.4%
$50k – $100k	25.3%	30.1%	30.8%
$100k – $200k	31.8%	25.6%	19.3%
Over $200k	5.8%	9.7%	6.4%

Demographics & statistics

4,547

Population

273

People per sq mi

53.0

Median age

$75,455

Median household income

$42,898

Per capita income

$460,000

Median home value

$2,013

Median monthly rent

82.8%

Home ownership

13.1%

Poverty rate

1.8%

Unemployment

2,522

Housing units

27.9%

Bachelor's or higher

Age distribution

Male Female

123

Under 5

120

151

5–9

148

109

10–14

106

15–19

111

20–24

109

164

25–34

161

298

35–44

291

235

45–54

229

297

55–59

291

269

60–64

263

337

65–74

330

136

75–84

134

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	797	17.5%
18 and over	3,750	82.5%
65 and over	1,019	22.4%
Median age	53.0 years

Race & ethnicity

White 92.9%

Two or more races 3%

Hispanic or Latino 2.1%

Asian 1.1%

Black or African American 0.5%

Other race 0.4%

Group	Count	%
White	4,315	92.9%
Two or more races	140	3%
Hispanic or Latino	98	2.1%
Asian	49	1.1%
Black or African American	24	0.5%
Other race	19	0.4%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	37.1%	34.6%	43.4%
$50k – $100k	25.3%	30.1%	30.8%
$100k – $200k	31.8%	25.6%	19.3%
Over $200k	5.8%	9.7%	6.4%

Under $10k 1.8%

$10k–$15k 4.6%

$15k–$25k 7.9%

$25k–$35k 8.3%

$35k–$50k 12.7%

$50k–$75k 14.7%

$75k–$100k 7.1%

$100k–$150k 27.5%

$150k–$200k 8.0%

$200k+ 7.5%

Range	% of households
Under $10k	1.8%
$10k–$15k	4.6%
$15k–$25k	7.9%
$25k–$35k	8.3%
$35k–$50k	12.7%
$50k–$75k	14.7%
$75k–$100k	7.1%
$100k–$150k	27.5%
$150k–$200k	8.0%
$200k+	7.5%
Median income	$75,455

Housing

Home values

Under $50k 0.7%

$50k–$100k 0.7%

$100k–$150k 8.7%

$150k–$200k 4.1%

$200k–$300k 9.5%

$300k–$500k 31.7%

$500k–$1M 37.2%

$1M+ 7.4%

Housing overview

Metric	Value
Median home value	$460,000
Median rent / month	$2,013
Owner occupied	82.8%
Renter occupied	17.2%
Vacant	32.7%
Single-family detached	78.1%
Large apartment buildings	0.0%
Mobile homes	10.8%
Median rooms	3.8
Avg household size (owned)	2.24

Year built

Era	%
2020 or later	0.4%
2010–2019	5.0%
2000–2009	6.2%
1990–1999	16.5%
1980–1989	42.8%
1970–1979	20.1%
1960–1969	5.0%
1950–1959	2.2%
1940–1949	0.3%
1939 or earlier	1.4%

Bedrooms

Size	% of units
No bedroom (studio)	3.8%
1 bedroom	5.4%
2 bedrooms	54.5%
3 bedrooms	34.0%
4 bedrooms	2.3%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	2.1%
1 vehicle	32.2%
2 vehicles	53.2%
3 or more	12.5%

Heating fuel

Fuel type	%
Utility gas	1.3%
Electricity	88.2%
Propane / LP gas	2.6%
Solar	1.2%
No fuel used	6.8%

Households & families

Household type	Count	%
Married-couple family	987	51.5%
Cohabiting couple	193	10.1%
Male householder, no spouse	350	18.2%
Female householder, no spouse	388	20.2%
Households with children under 18	396	20.6%
Households with seniors (65+)	770	40.1%
Average household size	2.34

Marital status

Status	Male	Female
Never married	20.5%	15.4%
Married	56.6%	57.2%
Separated	2.6%	0.9%
Widowed	3.7%	10.3%
Divorced	16.7%	16.3%

Education

Less than 9th grade 5.7%

Some HS, no diploma 2.1%

HS graduate 28.0%

Some college, no degree 25.4%

Associate's degree 10.9%

Bachelor's degree 18.3%

Graduate / professional 9.6%

Metric	%
HS diploma or higher	92.2%
Bachelor's or higher	27.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	58	8.3%
Kindergarten	88	12.6%
Elementary school	415	59.5%
High school	48	6.9%
College / grad school	88	12.6%

Employment

Industry of employment

Professional & management 19.5%

Construction 17.6%

Public administration 15.6%

Arts, food & hospitality 14.9%

Education & healthcare 9.5%

Retail trade 7.5%

Other services 5.3%

Transportation & utilities 4.7%

Finance & real estate 2.8%

Agriculture & mining 1.5%

Manufacturing 1.0%

Occupation

Category	%
Management, business & arts	35.0%
Service	18.7%
Sales & office	11.8%
Natural resources & construction	24.5%
Production & transportation	10.0%

Employment type

Type	%
Private sector	69.6%
Government	19.7%
Self-employed	10.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	71.9%
Carpool	6.3%
Public transit	0.4%
Walk	4.5%
Work from home	14.5%
Other means	2.5%
Avg commute (minutes)	27.6

Poverty

All people 13.1%

Under 18 years 20.1%

18 and over 11.6%

Married-couple families 3.4%

Female-led households 35.4%

Income support

Source	% of households
Social Security	37.5%
Retirement income	27.2%
Supplemental Security	5.6%
Cash public assistance	2.1%
Food stamps / SNAP	12.8%

Health indicators

Condition	%
Obesity	30.3%
High blood pressure	33.6%
High cholesterol	34.6%
Diabetes	11.0%
Heart disease	7.5%
Stroke	3.4%
Asthma	8.4%
Arthritis	25.5%
Kidney disease	3.1%
Pulmonary disease	8.7%
Cancer	7.5%

Behavior / access	%
Smoking	18.5%
Binge drinking	18.2%
No physical activity	23.3%
Less than 7 hrs sleep	34.2%
Depression	18.8%
Fair or poor health	15.1%
Poor mental health	14.4%
Poor physical health	11.8%
No health insurance	17.6%
Visited doctor (checkup)	73.2%
Visited dentist	65.2%
Cholesterol screening	92.4%
Teeth loss	12.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	317	8.5%

Disability	%
Any disability	12.5%
Under 18	1.0%
18–64 years	8.9%
65 and over	31.1%

Health insurance coverage

Type	%
Private insurance	58.5%
Public insurance	41.4%
No insurance	16.6%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	4,304	94.7%
Spanish	388	9.0%
Other Indo-European	278	6.5%
Asian & Pacific Islander	90	2.1%
Other languages	20	0.5%

Place of birth & citizenship

Origin	Count	%
Native born (US)	4,145	91.2%
Born in same state	4,083	89.8%
Born in different state	1,265	27.8%
Foreign born	62	1.4%
Naturalized citizen	402	8.8%
Not a US citizen	263	65.4%

Ancestry

Ancestry	Count	%
Italian	491	10.8%
French	412	9.1%
Arab	149	3.3%
Polish	85	1.9%

Ancestry	Count	%
German	57	1.3%
English	48	1.1%
Irish	34	0.7%
Norwegian	25	0.5%

Technology access

Metric	% of households
Computer access	42.2%
Internet access	96.4%

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

Frequently asked questions about ZIP code 33043

What city is ZIP code 33043 in?

ZIP code 33043 is primarily assigned to Big Pine Key, Florida.

What county is ZIP code 33043 in?

ZIP code 33043 falls within Monroe County, Florida.

Is ZIP code 33043 mostly owner-occupied?

83% of occupied units in ZIP code 33043 are owner-occupied, well above the national average.

Does ZIP code 33043 have a large retiree population?

38% of households in ZIP code 33043 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 33043?

The median home value in ZIP code 33043 is $460,000.

What is the population of ZIP code 33043?

ZIP code 33043 has an estimated population of 4,547 residents, with a density of 273 people per square mile.

What timezone is ZIP code 33043 in?

ZIP code 33043 observes the EST timezone.