50129 ZIP Code — Jefferson, IA
Greene County, Iowa
ZIP code 50129 is located in Jefferson, Iowa, within Greene County. It covers approximately 165.35 square miles and serves a population of 5,208 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 515.
About ZIP code 50129
The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $130,800. Owner-occupancy sits near the national average at 75%.
Median household income is $55,067. 45% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 22 minutes is near the national average.
Educational attainment is near the national average, with 22% of residents holding a bachelor's degree or higher.
5,208
population
165.35
sq mi land
Standard
ZIP type
Central (CT)
timezone
50129 ZIP code map
Cities in ZIP code 50129
Below are the cities the US Postal Service accepts for ZIP code 50129. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Jefferson | Preferred |
Nearby ZIP codes
51462 Scranton (7.9 mi)
50107 Grand Junction (9 mi)
50235 Rippey (10.5 mi)
50064 Dana (10.6 mi)
50050 Churdan (10.9 mi)
50026 Bagley (11.2 mi)
50128 Jamaica (11.7 mi)
50217 Paton (13.4 mi)
50029 Bayard (15.1 mi)
50277 Yale (15.7 mi)
50066 Dawson (16.6 mi)
51443 Glidden (16.9 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 5,208 |
| Population density | 31 / sq mi |
| State FIPS | 19 |
| County FIPS | 073 |
| Geography | |
|---|---|
| Land area | 165.35 sq mi |
| Water area | 0.58 sq mi |
| Latitude | 42.0074 |
| Longitude | -94.3870 |
| Timezone | Central (CT) |
| Area code | 515 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 51.7% | 49.3% | 40.1% |
| $50k – $100k | 27.7% | 31.4% | 33.4% |
| $100k – $200k | 18.6% | 17.2% | 21.5% |
| Over $200k | 2.0% | 2.2% | 5.0% |
Demographics & statistics
5,208
Population
31
People per sq mi
46.5
Median age
$55,067
Median household income
$33,493
Per capita income
$130,800
Median home value
$839
Median monthly rent
75.0%
Home ownership
8.0%
Poverty rate
2.6%
Unemployment
2,050
Housing units
21.9%
Bachelor's or higher
Age distribution
Male
Female
99
Under 5
113
160
5–9
183
150
10–14
171
140
15–19
160
110
20–24
126
247
25–34
283
277
35–44
317
207
45–54
236
175
55–59
201
216
60–64
246
339
65–74
388
185
75–84
212
125
85+
142
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 1,065 | 20.4% |
| 18 and over | 4,143 | 79.6% |
| 65 and over | 1,391 | 26.7% |
| Median age | 46.5 years | |
Race & ethnicity
White
90.5%
Two or more races
3.9%
Hispanic or Latino
3.4%
Other race
0.8%
Black or African American
0.6%
Asian
0.5%
American Indian / Alaska Native
0.2%
| Group | Count | % |
|---|---|---|
| White | 4,879 | 90.5% |
| Two or more races | 208 | 3.9% |
| Hispanic or Latino | 183 | 3.4% |
| Other race | 45 | 0.8% |
| Black or African American | 35 | 0.6% |
| Asian | 28 | 0.5% |
| American Indian / Alaska Native | 13 | 0.2% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 51.7% | 49.3% | 40.1% |
| $50k – $100k | 27.7% | 31.4% | 33.4% |
| $100k – $200k | 18.6% | 17.2% | 21.5% |
| Over $200k | 2.0% | 2.2% | 5.0% |
Under $10k
3.9%
$10k–$15k
2.3%
$15k–$25k
12.7%
$25k–$35k
5.9%
$35k–$50k
22.3%
$50k–$75k
15.2%
$75k–$100k
10.9%
$100k–$150k
17.6%
$150k–$200k
5.2%
$200k+
4.1%
| Range | % of households |
|---|---|
| Under $10k | 3.9% |
| $10k–$15k | 2.3% |
| $15k–$25k | 12.7% |
| $25k–$35k | 5.9% |
| $35k–$50k | 22.3% |
| $50k–$75k | 15.2% |
| $75k–$100k | 10.9% |
| $100k–$150k | 17.6% |
| $150k–$200k | 5.2% |
| $200k+ | 4.1% |
| Median income | $55,067 |
Housing
Home values
Under $50k
11.2%
$50k–$100k
25.5%
$100k–$150k
20.4%
$150k–$200k
22.2%
$200k–$300k
13.6%
$300k–$500k
5.9%
$500k–$1M
0.5%
$1M+
0.7%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $130,800 |
| Median rent / month | $839 |
| Owner occupied | 75.0% |
| Renter occupied | 25.0% |
| Vacant | 11.7% |
| Single-family detached | 78.3% |
| Large apartment buildings | 3.9% |
| Mobile homes | 2.1% |
| Median rooms | 5.8 |
| Avg household size (owned) | 2.26 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 2.4% |
| 2000–2009 | 5.2% |
| 1990–1999 | 7.3% |
| 1980–1989 | 7.5% |
| 1970–1979 | 17.1% |
| 1960–1969 | 7.4% |
| 1950–1959 | 14.0% |
| 1940–1949 | 6.6% |
| 1939 or earlier | 32.6% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 1.3% |
| 1 bedroom | 11.7% |
| 2 bedrooms | 29.4% |
| 3 bedrooms | 40.1% |
| 4 bedrooms | 14.7% |
| 5+ bedrooms | 2.9% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 6.1% |
| 1 vehicle | 38.8% |
| 2 vehicles | 38.0% |
| 3 or more | 17.1% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 62.4% |
| Electricity | 24.8% |
| Propane / LP gas | 11.6% |
| No fuel used | 0.4% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 968 | 41.7% |
| Cohabiting couple | 97 | 4.2% |
| Male householder, no spouse | 289 | 12.4% |
| Female householder, no spouse | 969 | 41.7% |
| Households with children under 18 | 413 | 17.8% |
| Households with seniors (65+) | 1,033 | 44.5% |
| Average household size | 2.19 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 26.6% | 15.4% |
| Married | 56.8% | 44.9% |
| Separated | 3.0% | 1.8% |
| Widowed | 3.4% | 20.2% |
| Divorced | 10.2% | 17.6% |
Education
Less than 9th grade
2.4%
Some HS, no diploma
5.0%
HS graduate
32.4%
Some college, no degree
22.4%
Associate's degree
16.1%
Bachelor's degree
14.8%
Graduate / professional
7.1%
| Metric | % |
|---|---|
| HS diploma or higher | 92.7% |
| Bachelor's or higher | 21.9% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 144 | 13.7% |
| Kindergarten | 75 | 7.1% |
| Elementary school | 509 | 48.4% |
| High school | 211 | 20.1% |
| College / grad school | 113 | 10.7% |
Employment
Industry of employment
Education & healthcare
28.5%
Retail trade
14.0%
Professional & management
11.0%
Manufacturing
8.5%
Finance & real estate
6.4%
Wholesale trade
5.4%
Construction
5.2%
Arts, food & hospitality
4.4%
Transportation & utilities
4.2%
Agriculture & mining
4.0%
Other services
4.0%
Public administration
3.3%
Information
1.1%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 40.5% |
| Service | 12.7% |
| Sales & office | 17.0% |
| Natural resources & construction | 6.4% |
| Production & transportation | 23.3% |
Employment type
| Type | % |
|---|---|
| Private sector | 72.5% |
| Government | 19.4% |
| Self-employed | 8.1% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 71.8% |
| Carpool | 14.8% |
| Public transit | 0.0% |
| Walk | 5.7% |
| Work from home | 5.7% |
| Other means | 2.0% |
| Avg commute (minutes) | 21.8 |
Poverty
All people
8.0%
Under 18 years
5.6%
18 and over
8.6%
Married-couple families
2.4%
Female-led households
17.8%
Income support
| Source | % of households |
|---|---|
| Social Security | 44.9% |
| Retirement income | 31.7% |
| Supplemental Security | 5.0% |
| Cash public assistance | 1.7% |
| Food stamps / SNAP | 10.6% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 34.7% |
| High blood pressure | 37.2% |
| High cholesterol | 37.3% |
| Diabetes | 11.1% |
| Heart disease | 8.1% |
| Stroke | 3.7% |
| Asthma | 9.1% |
| Arthritis | 28.6% |
| Kidney disease | 3.4% |
| Pulmonary disease | 7.6% |
| Cancer | 8.9% |
| Behavior / access | % |
|---|---|
| Smoking | 16.2% |
| Binge drinking | 19.3% |
| No physical activity | 26.4% |
| Less than 7 hrs sleep | 29.7% |
| Depression | 16.6% |
| Fair or poor health | 13.7% |
| Poor mental health | 12.6% |
| Poor physical health | 10.4% |
| No health insurance | 9.0% |
| Visited doctor (checkup) | 77.6% |
| Visited dentist | 68.0% |
| Cholesterol screening | 90.3% |
| Teeth loss | 13.1% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 436 | 10.5% |
| Disability | % |
|---|---|
| Any disability | 19.6% |
| Under 18 | 8.4% |
| 18–64 years | 13.7% |
| 65 and over | 41.0% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 78.0% |
| Public insurance | 43.3% |
| No insurance | 1.3% |
| Uninsured under 19 | 1.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 4,996 | 95.9% |
| Spanish | 80 | 1.6% |
| Other Indo-European | 62 | 1.2% |
| Asian & Pacific Islander | 18 | 0.4% |
| Other languages | 0 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 5,139 | 98.7% |
| Born in same state | 5,094 | 97.8% |
| Born in different state | 4,036 | 77.5% |
| Foreign born | 45 | 0.9% |
| Naturalized citizen | 69 | 1.3% |
| Not a US citizen | 61 | 88.4% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 962 | 18.5% |
| Italian | 724 | 13.9% |
| Polish | 285 | 5.5% |
| Ancestry | Count | % |
|---|---|---|
| Dutch | 208 | 4% |
| English | 168 | 3.2% |
| Arab | 163 | 3.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 44.6% |
| Internet access | 93.2% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 50129
What city is ZIP code 50129 in?
ZIP code 50129 is primarily assigned to Jefferson, Iowa.
What county is ZIP code 50129 in?
ZIP code 50129 falls within Greene County, Iowa.
Does ZIP code 50129 have an older population?
27% of residents in ZIP code 50129 are 65 or older, above the national average of ~17%.
Does ZIP code 50129 have a large retiree population?
45% of households in ZIP code 50129 receive Social Security income, suggesting a significant retiree or disability population.
Does ZIP code 50129 have a large veteran population?
11% of civilians in ZIP code 50129 are veterans, above the national average of ~7%.
What is the typical home value in ZIP code 50129?
The median home value in ZIP code 50129 is $130,800.
What timezone is ZIP code 50129 in?
ZIP code 50129 observes the CST timezone.