What city is ZIP code 50129?

ZIP code 50129 is in Jefferson, IA (Greene County).

What county is ZIP code 50129 in?

ZIP code 50129 is mostly in Greene County, Iowa.

How many people live in ZIP code 50129?

About 5,014 people live in the 50129 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 50129

Jefferson, IA, Greene County

Population

5,014

Land area

165.4sq mi

People per sq mi

City

Jefferson

ZIP 50129 and nearby ZIP codes

Full map

ZIP 50129 at a glance

ZIP 50129 (Jefferson) is 47% less dense than Iowa as a whole.
Households here earn a median of $60,671 a year, 19% less than the Iowa figure of $75,059.
A typical owner-occupied home is valued at $166,100 (20% below Iowa) and median rent is $760 a month.

Local data for ZIP 50129

Counts from official public data

Housing and community stats

ZIP 50129, American Community Survey 2020-2024

Full profile

Median household income

$60,671

Poverty rate

7.7%

Median home value

$166,100

Prices +1.4% in a year

Median rent

$760/mo

Homeownership

77.0%

Bachelor's or higher

22.6%

Median age

49.4

Average commute

21.6 min

Income, education and commute

Economy and federal money

Businesses, pandemic loans and political donations

Details

Business establishments

176

ZIP Business Patterns 2023

Employees

1,816

$76.4M annual payroll

PPP loans

$14M

393 loans

Campaign donations

$70.8K

2% D, 46% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 50129, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Very Low

Top: drought

Storm events since 1996

504

Countywide, mostly hail

Flood insurance policies

0.0% of homes, county

July high / Jan low

83° / 9°F

35.3 inches of rain a year

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 50129, CDC PLACES estimates

All 40 measures

Obesity

35.3%

U.S. 33.3% +2.0 pts

Diabetes

13.0%

U.S. 12.1% +0.9 pts

Smoking

15.9%

U.S. 12.8% +3.1 pts

Uninsured (18-64)

6.9%

U.S. 11.1% -4.2 pts

Frequently asked questions

What city is ZIP code 50129?: ZIP code 50129 is in Jefferson, IA (Greene County).
What county is ZIP code 50129 in?: ZIP code 50129 is mostly in Greene County, Iowa.
How many people live in ZIP code 50129?: About 5,014 people live in the 50129 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.