ZIP Code · LA

ZIP 70121

Part of Jefferson, LA

Pop. 10,558·Jefferson Parish·25th most expensive ZIP in Louisiana

Median rent (all units)

$1,606/mo

Year-over-Year

+4.3%

Month-over-Month

-0.9%

vs US Median

-$326

Reported rents

Falling (Monthly)

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Most AffordableMost Expensive

ZIP 70121 · $1,606

More affordable than 65% of US ZIP codes · National median $1,932/mo

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Medians by bedroom

Rent by unit size

Studio

$970

1 BR

$1,120

2 BR

$1,340

3 BR

$1,710

4 BR+

$2,000

Research median

$1,340/mo

Bedroom estimates are gross rents that include essential utilities (electricity, water, gas, sewer, trash).

Rent trends

12-month history

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Last updated: October 17, 2026

From the history

What the numbers show

Past year vs. the rest of Louisiana

Rent in ZIP 70121 changed +4.4% over the year to September 2026. Across the 75 Louisiana ZIP codes Zillow tracks, the typical change was +3.0%.

Recent direction

Rent rose in 7 of the last 12 months.

What a typical income covers

30% of the median household income ($59,562) is $1,489 a month. That covers HUD's Fair Market Rent for up to a 2-bedroom ($1,340); a 3-bedroom is $1,710.

Cheaper nearby

ZIP 70001, 2 miles away, rents for 10% less ($1,445/mo), about $1,900 a year in savings.

From Zillow's monthly rent index (ZORI) for ZIP 70121. Income is the Census median household income (5-year estimates). Fair Market Rents are HUD’s, which include utilities.

Annual cost

$19,272/yr

At $1,606/mo median

Location

CityJefferson

StateLA

CountyJefferson Parish

Rent Market Meter

Landlord's Market

Renter's MarketBalancedLandlord's Market

Rents are climbing (4.3% YoY), so leverage tilts toward landlords. Act sooner rather than later.

Based on rent-price momentum (+4.3% YoY, -0.9% MoM), not inventory.

Demographics

Who lives here

ZIP 70121 (Jefferson, LA) is majority owner-occupied, has a large retiree population, has a median income below the national average, 36.5% of residents hold a bachelor's degree or higher.

Population

10,558

Median income

$59,562

Median age

43.7

Renters

40.9%

Age distribution

17.7%

20.6%

24.4%

16%

21.2%

Under 1817.7%

18–3420.6%

35–5424.4%

55–6416%

65+21.2%

Gender

48.8%

51.2%

Male48.8%

Female51.2%

Race & ethnicity

66.2%

18.3%

White66.2%

Black18.3%

Hispanic11.9%

Asian2.3%

Other1.3%

Education (25+)

22.4%

30.1%

36.5%

No HS diploma11.1%

HS diploma22.4%

Some college30.1%

Bachelor's+36.5%

Housing tenure

59.1%

40.9%

Owner59.1%

Renter40.9%

Source: U.S. Census Bureau · ACS 2024 5-Year Estimates

2021 vs 2026

How ZIP 70121 in Jefferson, LA has changed in 5 years

Income

$52,298 → $59,562

up 13.9%

Population

11,648 → 10,558

down 9.4%

Renter share

43.5% → 40.9%

-2.6 pts

Bachelor's+

34% → 36.5%

+2.5 pts

Median age

42.6 → 43.7

+1.1 yrs

Local incomes tracked alongside that move, going from a median of $52,298 in 2021 to $59,562 more recently. The population has contracted by 9.4% since 2021, moving from about 11,648 residents to roughly 10,558. Renters now make up 40.9% of households, compared with 43.5% five years ago. College-educated residents now make up 36.5% of adults here, versus 34% in 2021.

Community

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Local insights

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About renting in ZIP 70121

Last updated: October 17, 2026

ZIP code 70121 covers Jefferson, LA. The median rent here is $1,606/mo as of October 2026. A 1-bedroom rents for a median of $1,120/mo. A 2-bedroom rents for a median of $1,340/mo.

At 32% of local median household income ($59,562/yr), ZIP 70121 ranks as moderate compared to the national benchmark of 30%. Rents have increased 4.3% over the past year.

FAQ

Frequently asked questions

How much income do you need to rent in ZIP 70121?

To keep rent at or below 30% of gross income, you would need to earn at least $64,000/year (about $31/hour full-time) to afford the median rent of $1,606/mo in ZIP 70121. The local median household income is $59,562/yr, so the typical household falls short of that bar.

Is rent going up or down in ZIP 70121?

Rent in ZIP 70121 has risen 4.3% over the past year.

How does ZIP 70121 compare to other ZIPs in Louisiana?

ZIP 70121 is one of the pricier among Louisiana ZIP codes for rent, ranking #25 of 92 at $1,606/mo. Over the year to September 2026, rent in ZIP 70121 changed +4.4%, against a typical +3.0% across the 75 Louisiana ZIP codes Zillow tracks.