Zip Code 70503
Lafayette, Louisiana — Lafayette Parish
📍 ZIP code 70503 is in Lafayette, Lafayette Parish, Louisiana.
ZIP code 70503 is located in Lafayette, Lafayette Parish, Louisiana. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 28,883. The area code for ZIP code 70503 is 318.
Quick Answer
Zip code 70503 is in Lafayette, Louisiana (Lafayette Parish). It has a population of 28,883, median household income of $94,360, and median home value of $326,800.
Population
28,883
Income
$94,360
Home Value
$326,800
Climate
91°F / 41°F
About Zip Code 70503
Zip code 70503 is located in Lafayette, Louisiana, within Lafayette Parish. Home to approximately 28,883 residents, this area sits at an elevation of 25 ft and falls within the Central (CST/CDT) timezone. The local area code is 318.
The median household income is $94,360 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $326,800, and the cost of living index is 112 (12% above the national average of 100).
Summers average a high of 91°F while winters drop to 41°F. The area receives about 65 in of rain annually. The zip code covers 11.8 square miles of land area and 0.1 square miles of water.
Key Statistics
28,883
$94,360
$326,800
Central (CST/CDT)
318
25 ft
11.8 sq mi
37.9
13,052
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Compare With Nearby Zip Codes
| Metric | 70503 | 70506 | 70508 | 70558 | 70501 | 70529 |
|---|---|---|---|---|---|---|
| City | Lafayette, LA | Lafayette, LA | Lafayette, LA | Milton, LA | Lafayette, LA | Duson, LA |
| Population | 28,883 | 41,550 | 39,364 | 24 | 26,956 | 13,557 |
| Median Income | $94,360 | $55,553 | $88,017 | $0 | $31,723 | $52,784 |
| Home Value | $326,800 | $215,700 | $299,200 | $0 | $117,200 | $189,600 |
| Cost of Living | 112 | 73 | 107 | 100 | 60 | 71 |
| Median Age | 37.9 | 35.2 | 37.5 | -666666666 | 36.8 | 38 |
Cost of Living
100 = National Average. Lafayette's cost of living is 12% above the national average.
vs. State Avg
Above
Affordability
Moderate
Income-to-Home
3.5x
Demographics
Zip code 70503 has a population of 28,883 people with a median age of 37.9. There are 13,052 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Lafayette (70503) population trend from 2010 to 2024
↓ -10.5%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
91°F
41°F
65 in
0 in
Lafayette experiences hot summers with average highs around 91°F. Winters are mild with lows averaging 41°F. The area receives virtually no snowfall.
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Housing & Economy
Median Home Value
$326,800
Median Household Income
$94,360
With 13,052 housing units across 11.8 square miles, 70503 has a housing density of 1,106 units per square mile. The home price-to-income ratio is 3.5x.
Location & Geography
Latitude
30.1725°
Longitude
-92.0602°
Land Area
11.8 sq mi
Water Area
0.1 sq mi
Nearby Zip Codes
Zip codes closest to 70503 (Lafayette, LA) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 70503's $94,360. A way to compare Lafayette to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 70503 (Lafayette, LA). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Lafayette, Louisiana?
Lafayette, Louisiana uses zip code 70503.
What county is zip code 70503 in?
Zip code 70503 is located in Lafayette Parish, Louisiana.
What is the population of zip code 70503?
The population of zip code 70503 is 28,883 with a median age of 37.9.
Is 70503 in Lafayette, Louisiana?
Yes, zip code 70503 is in Lafayette, Lafayette Parish, Louisiana. The area code is 318.
Frequently Asked Questions
What city is zip code 70503 in?
Zip code 70503 is in Lafayette, Louisiana. It is part of Lafayette Parish and uses the Central (CST/CDT) timezone.
What is zip code 70503?
Zip code 70503 is a U.S. postal code in Lafayette, Louisiana (Lafayette Parish). It has a population of 28,883 and covers 11.8 square miles.
What is the population of zip code 70503?
The population of zip code 70503 (Lafayette, LA) is 28,883 with a median age of 37.9. There are approximately 13,052 housing units in this area.
What is the median income in zip code 70503?
The median household income in zip code 70503 (Lafayette, LA) is $94,360 per year. The cost of living index is 112 (100 = national average).
What is the average home price in zip code 70503?
The median home value in zip code 70503 (Lafayette, LA) is $326,800. The cost of living index is 112 compared to the national average of 100.
What county is zip code 70503 in?
Zip code 70503 is located in Lafayette Parish, Louisiana. The primary city is Lafayette.
What is the area code for zip code 70503?
Zip code 70503 in Lafayette, LA uses area code 318. It is located in the Central (CST/CDT) timezone.
Is zip code 70503 a good place to live?
Zip code 70503 (Lafayette, LA) has a cost of living index of 112 (100 = national average), a median household income of $94,360, and median home values of $326,800. The median age is 37.9. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 70503?
The cost of living index for zip code 70503 (Lafayette, LA) is 112, where 100 represents the national average. This area is above the national average. Median home value: $326,800.
What schools serve zip code 70503?
Zip code 70503 in Lafayette, Louisiana is served by the local school district of Lafayette Parish. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.