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Monmouth, IA
City in Jackson County, Iowa.
Population
121
Land area
0.6sq mi
People per sq mi
213
ZIP codes
0
Monmouth and its ZIP codes
Monmouth at a glance
- Monmouth is about 3.7 times as dense as Iowa as a whole.
Local data for Monmouth, IA
Counts from official public data
Economy and federal money
Jobs, pay, income and spending are for Jackson County. PPP loans are for Monmouth.
Unemployment rate
3.7%
Sep 2026, +0.1 pts in a year
Average annual pay
$47,405
5,754 jobs, 2025
Income per person
$59,805
BEA, 2024
Federal spending
$131M
FY 2026, $6,741 per person
Environment and hazard risk
Monmouth, IA, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: landslide
Storm events since 1996
512
Countywide, mostly thunderstorm wind
Flood insurance policies
23
0.2% of homes, county
July high / Jan low
82° / 11°F
36.7 inches of rain a year
Health statistics
Share of adults in Monmouth, IA, CDC PLACES estimates
Obesity
40.6%
U.S. 33.3% +7.3 pts
Diabetes
12.9%
U.S. 12.1% +0.8 pts
Smoking
16.4%
U.S. 12.8% +3.6 pts
Uninsured (18-64)
6.1%
U.S. 11.1% -5.0 pts
Cities near Monmouth
| Name | Distance | Land area (sq mi) |
|---|---|---|
| BaldwinCity | 2.3 mi | 0.4 |
| WyomingCity | 6.4 mi | 0.5 |
| OnslowCity | 7.1 mi | 0.2 |
| Oxford JunctionCity | 7.3 mi | 0.6 |
| Lost NationCity | 8.2 mi | 0.8 |
| MaquoketaCity | 10 mi | 4.5 |
| Center JunctionCensus-designated place | 11 mi | 0.7 |
| TorontoCity | 12 mi | 0.2 |
| OlinCity | 14 mi | 1 |
| DelmarCity | 15 mi | 0.8 |
| LowdenCity | 15 mi | 1.1 |
| AndrewCity | 16 mi | 0.2 |
| ClarenceCity | 16 mi | 0.8 |
| BernardCity | 17 mi | 0.1 |
| WheatlandCity | 17 mi | 0.6 |
| CascadeCity | 17 mi | 1.9 |
Frequently asked questions
- What county is Monmouth, IA in?
- Monmouth is in Jackson County, Iowa.
- What is the population of Monmouth, IA?
- About 121 people live in Monmouth, based on American Community Survey 5-year estimates.
- What cities are near Monmouth?
- Nearby places include Baldwin (2.3 mi), Wyoming (6.4 mi), Onslow (7.1 mi), Oxford Junction (7.3 mi), Lost Nation (8.2 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023