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Jefferson, IA
City in Greene County, Iowa.
Population
4,152
Land area
6sq mi
People per sq mi
690
ZIP codes
0
Jefferson and its ZIP codes
Jefferson at a glance
- Jefferson is about 12 times as dense as Iowa as a whole.
- It is the 101st most populous of 1,017 cities and towns in Iowa.
- Households here earn a median of $58,895 a year, 22% less than the Iowa figure of $75,059.
- A typical owner-occupied home is valued at $155,800 (25% below Iowa) and median rent is $754 a month.
Local data for Jefferson, IA
Counts from official public data
Housing and community stats
Jefferson, IA, American Community Survey 2020-2024
Median household income
$58,895
Poverty rate
7.3%
Median home value
$155,800
Median rent
$754/mo
Homeownership
74.9%
Bachelor's or higher
21.1%
Median age
53.6
Average commute
22.2 min
Largest reported origins and ancestries: German Americans (1,401), Irish Americans (570), Swedish Americans (265).
Economy and federal money
Jobs, pay, income and spending are for Greene County. PPP loans are for Jefferson.
Unemployment rate
4.0%
Aug 2026, +0.9 pts in a year
Average annual pay
$56,170
3,139 jobs, 2025
Income per person
$61,396
BEA, 2024
Federal spending
$69.4M
FY 2026, $7,914 per person
How people get to work
Jefferson, IA, workers 16 and older. American Community Survey 5-year estimates
- Drove alone77.7%
- Carpooled14.6%
- Public transit0.1%
- Walked0.8%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other0.6%
- Worked from home6.2%
Average one-way commute: 22.2 minutes for people who do not work from home.
Environment and hazard risk
Jefferson, IA, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: drought
Storm events since 1996
504
Countywide, mostly hail
Flood insurance policies
2
0.0% of homes, county
July high / Jan low
83° / 9°F
35.3 inches of rain a year
Hazards, floods and storm historyCheck a flood zone4 historic places
Health statistics
Share of adults in Jefferson, IA, CDC PLACES estimates
Obesity
35.0%
U.S. 33.3% +1.7 pts
Diabetes
12.9%
U.S. 12.1% +0.8 pts
Smoking
15.6%
U.S. 12.8% +2.8 pts
Uninsured (18-64)
7.0%
U.S. 11.1% -4.1 pts
Cities near Jefferson
| Name | Distance | Land area (sq mi) |
|---|---|---|
| Grand JunctionCity | 7.5 mi | 1 |
| ScrantonCity | 8.6 mi | 1.9 |
| DanaCity | 9.7 mi | 0.3 |
| ChurdanCity | 11 mi | 2.1 |
| RippeyCity | 11 mi | 0.9 |
| BagleyCity | 12 mi | 0.3 |
| PatonCity | 12 mi | 0.6 |
| JamaicaCity | 12 mi | 0.4 |
| BeaverCity | 13 mi | 0.2 |
| RalstonCity | 13 mi | 2 |
| DawsonCity | 15 mi | 0.5 |
| BayardCity | 15 mi | 0.4 |
| BerkleyCity | 15 mi | 0.2 |
| YaleCity | 17 mi | 0.3 |
| GliddenCity | 18 mi | 1.1 |
| FarnhamvilleCity | 18 mi | 0.7 |
Frequently asked questions
- What county is Jefferson, IA in?
- Jefferson is in Greene County, Iowa.
- What is the population of Jefferson, IA?
- About 4,152 people live in Jefferson, based on American Community Survey 5-year estimates.
- What cities are near Jefferson?
- Nearby places include Grand Junction (7.5 mi), Scranton (8.6 mi), Dana (9.7 mi), Churdan (11 mi), Rippey (11 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023