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Rock Falls, IA
City in Cerro Gordo County, Iowa. ZIP codes: 50467.
Population
119
Land area
0.2sq mi
People per sq mi
575
ZIP codes
1
Rock Falls and its ZIP codes
Rock Falls at a glance
- Rock Falls is about 10 times as dense as Iowa as a whole.
Local data for Rock Falls, IA
Counts from official public data
Economy and federal money
Jobs, pay, income and spending are for Cerro Gordo County. PPP loans are for Rock Falls.
Unemployment rate
3.0%
Sep 2026, +0.1 pts in a year
Average annual pay
$56,649
23,463 jobs, 2025
Income per person
$80,093
BEA, 2024
Federal spending
$348M
FY 2026, $8,070 per person
Environment and hazard risk
Rock Falls, IA, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: drought
Storm events since 1996
749
Countywide, mostly thunderstorm wind
Flood insurance policies
80
0.4% of homes, county
July high / Jan low
82° / 7°F
36.3 inches of rain a year
Hazards, floods and storm historyCheck a flood zone1 historic places
Health statistics
Share of adults in Rock Falls, IA, CDC PLACES estimates
Obesity
35.3%
U.S. 33.3% +2.0 pts
Diabetes
10.7%
U.S. 12.1% -1.4 pts
Smoking
11.5%
U.S. 12.8% -1.3 pts
Uninsured (18-64)
6.2%
U.S. 11.1% -4.9 pts
ZIP codes in Rock Falls
1 in or overlapping Rock Falls. Population shown
Cities near Rock Falls
| Name | Distance | Land area (sq mi) |
|---|---|---|
| PlymouthCity | 3.3 mi | 0.4 |
| Nora SpringsCity | 5.8 mi | 2.2 |
| PortlandCensus-designated place | 6.1 mi | 1 |
| Mason CityCity | 7 mi | 28.2 |
| ManlyCity | 8.2 mi | 1.4 |
| GraftonCity | 8.7 mi | 0.3 |
| RuddCity | 11 mi | 1.1 |
| BolanCensus-designated place | 12 mi | 0.3 |
| KensettCity | 12 mi | 1 |
| RockfordCity | 13 mi | 0.6 |
| MitchellCity | 13 mi | 0.6 |
| BurchinalCensus-designated place | 14 mi | 0.1 |
| St. AnsgarCity | 15 mi | 1.1 |
| CarpenterCity | 15 mi | 0.4 |
| OsageCity | 15 mi | 2.2 |
| Clear LakeCity | 16 mi | 10.8 |
Frequently asked questions
- What county is Rock Falls, IA in?
- Rock Falls is in Cerro Gordo County, Iowa.
- What ZIP codes are in Rock Falls, IA?
- ZIP codes in or overlapping Rock Falls include 50467.
- What is the population of Rock Falls, IA?
- About 119 people live in Rock Falls, based on American Community Survey 5-year estimates.
- What cities are near Rock Falls?
- Nearby places include Plymouth (3.3 mi), Nora Springs (5.8 mi), Portland (6.1 mi), Mason City (7 mi), Manly (8.2 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023