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Port St. Lucie city, FL

ZIP Code 34945 — Port St. Lucie city, FL Demographics & Data

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Middle ClassLow Snow Area

Map, Quick Facts & Location

Quick Facts

Local time
Population
6,214
Median Income
$72,941
-3% vs US avg
Home Value
$285,500
-18% vs US avg
Median Rent
N/A
Median Age
41.6 yrs
+7% vs US avg
Area Code
Congress
Top Ancestry
AmericanGermanEnglish
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Location
Coordinates
27.4373, -80.5572
Elevation
24 ft
Land Area
244.4 sq mi
Water Area
0.2 sq mi (0% water)

At a glance

Population
6,214
Density
N/A
Median income
$72,941
-3% vs US avg
Home value
$285,500
-18% vs US avg
Median rent
N/A
Timezone

Overview of ZIP Code 34945

TourismTourism & travel destination

Travel-oriented ZIP — live weather is shown first for trip planning.

7-day weather forecast

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Sunrise, sunset & moon

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What to know about ZIP 34945

ZIP code 34945 covers Port St. Lucie, FL in St. Lucie County with a population of about 6,214.

At a glance, the area shows median age of 41.6 versus a U.S. median of about 38.9.

It sits in telephone area code 772; U.S. House district FL-21; the WEST PALM BEACH - FT. PIERCE media market.

Local search focus: Tourism

Port St. Lucie, FL matches a tourism / travel destination profile (tourism/destination place names). Search demand here often clusters around weather, landmarks, short stays, and local services — the live 7-day forecast on this page is especially useful for trip planning.

Income and economy in Port St. Lucie, FL

Median household income in ZIP 34945 is about $72,941 — about 3% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 7.7%; unemployment rate near 0.7%; 23.3% of adults with a bachelor’s degree or higher (about 10.4 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Retail trade, Healthcare, and Construction; about 7.4% of workers reporting work-from-home (about 7.8 points below the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Housing and affordability in ZIP 34945

Median home value is about $285,500 — about 18% below the U.S. median home value ($348,079).

Housing tenure and rents show owner-occupancy near 91.4% (about 26.0 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 34945 in Port St. Lucie, FL, a household would need roughly $79,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $1,834. That is roughly in line with the local median household income ($72,941). Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Climate risk and migration signals

FEMA’s National Risk Index rates natural-hazard risk for Port St. Lucie city, FL as Relatively High (composite score 96.1), which is among the highest nationally. The strongest component scores on US5 are hurricane (99.2) and flood (89.3). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for Port St. Lucie city, FL show little to no average snow and around 51.2 inches of annual precipitation.

IRS migration statistics show a net inflow of about 278 for ZIP 34945 (Port St. Lucie city, FL) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.

Nearby (from this ZIP)

Airport FPR (12.3 miles (19.7 km)) · Aviator College of Aeronautical Science and Technology (12.1 miles (19.5 km)) · Canaveral National Seashore (94.0 miles (151.3 km)) · VA: Fort Pierce CBOC (12.7 miles (20.4 km))

Full lists and map pins are in the Infrastructure section below.