US ZIP Code
50129

Jefferson, IA

Greene County  ·  Iowa

● Active
👥 5,116 Population ↑ 2% since 2019
💰 $56,956 Median HH Income
▼ 25% below avg ↑ 15% since 2019
🎂 46.8 Median Age ↑ 5% since 2019
🏠 $154,700 Median Home Value
▼ 45% below avg ↑ 49% since 2019
🎓 43.2% College Grads
▲ 11% above avg
📊 2.0% Unemployment
▼ 59% below avg ↓ 37% since 2019
ZIP Code Details
ZIP Code50129
CityJefferson
StateIowa (IA)
CountyGreene County
Area Code515
Elevation982 ft
Latitude42.013286
Longitude-94.376733
TimezoneChicago (DST)
FIPS19073
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 48.5% (2,480) Female 51.5% (2,636) ♀

Race & Ethnicity

White: 92.7%Hispanic: 4.4%Black: 0.2%Other: 2.5%Race
White92.7%
Hispanic4.4%
Black0.2%
Other2.5%

Age Breakdown

Under 5
4%
5–17
15%
18–24
8%
25–44
22%
45–64
24%
65+
10%

Key Indicators

Median Age46.8 yrs ↑ 5% since 2019
Avg Household Size2.07
Below Poverty8.1% ▼ 20% below avg
College Grads43.2% ▲ 11% above avg
Unemployment2.0% ▼ 59% below avg
No HS Diploma23 (0.6%)
HS Graduate1,006 (27.9%)
Some College631 (17.5%)
Associates389 (10.8%)
Bachelors738 (20.5%)
Graduate Degree819 (22.7%)

Education

No HS: 0.6%HS Grad: 27.9%Some College: 17.5%Associates: 10.8%Bachelors: 20.5%Graduate: 22.7%Edu
No HS0.6%
HS Grad27.9%
Some College17.5%
Associates10.8%
Bachelors20.5%
Graduate22.7%
Housing & Income

Housing Tenure

Owner: 73.1%Renter: 26.9%Tenure
Owner73.1%
Renter26.9%

Home Value Distribution

Under $50k
9%
$50k–100k
18%
$100k–150k
21%
$150k–200k
23%
$200k–300k
23%
$300k–500k
6%
Over $500k
1%

Financials

Median HH Income$56,956 ▼ 25% below avg ↑ 15% since 2019
Median Home Value$154,700 ▼ 45% below avg ↑ 49% since 2019
Home/Income Ratio2.7x (nat avg ~3.5x)
Median Rent$753/mo ↑ 16% since 2019
Total Units2,619
Vacant Units208
Avg HH Size2.07

Income Distribution

Under $25k
18%
$25k–50k
23%
$50k–75k
20%
$75k–100k
9%
$100k–150k
16%
$150k–200k
8%
Over $200k
6%
Employment & Commute

How People Get to Work

Drove Alone
87%
Public Transit
0%
Walked
3%
Work From Home
9%

Commute Time

Under 15 min
52%
15–30 min
15%
30–45 min
16%
Over 45 min
16%
Housing Stock

Year Built

Before 1940
5%
1940s–1950s
18%
1960s–1970s
10%
1980s–1990s
5%
2000+
63%

Summary

Total Units2,619
Vacant208
Owner Occupied73.1%
Renter Occupied26.9%
Avg HH Size2.07
Frequently Asked Questions
ZIP code 50129 is in Jefferson, IA, in Greene County.
ZIP code 50129 is located in Iowa (IA).
ZIP code 50129 is in Greene County, IA.
ZIP 50129 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 50129 is 5,116 people (ACS 2023).
The median household income in ZIP code 50129 is $56,956 (ACS 2023).
The median home value in ZIP 50129 is $154,700 (ACS 2023).
About ZIP Code 50129

ZIP code 50129 is located in Jefferson, Iowa, within Greene County. With a population of 5,116, this is a lightly populated ZIP code with a mature community — the median age is 46.8 years. Economically, 50129 is a solidly middle-class ZIP code: the median household income of $56,956 is below the national average.

Real estate in ZIP code 50129 represents an affordable housing market. The median home value of $154,700 is below the national average. Renters can expect to pay around $753 per month in median rent. Homeownership is strong here — 73.1% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 49% since 2019.

The population of 50129 is primarily White (92.67%). Residents are well-educated — 43.2% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 8.1%. Household income has grown by 15% since 2019.

The unemployment rate in 50129 stands at 2.0%, which is well below the national average. As in most parts of the country, driving alone is the dominant commute mode at 73%.

Overall, ZIP code 50129 in Jefferson, IA is characterized as solidly middle-class, well-educated, a mature community, and predominantly owner-occupied. With 5,116 residents, a median household income of $56,956, and a median home value of $154,700, it offers a clear picture of life in this part of Iowa.