Cerro Gordo County, IA ZIP Codes
Iowa (IA) · 11 ZIP codes · 10 cities
11
ZIP codes
42,706
population (2021)
-3.3%
pop change since 2010
19033
FIPS code
Cerro Gordo County ZIP code map
About Cerro Gordo County
Cerro Gordo County is located in Iowa and contains 11 ZIP codes across 10 cities and communities.
The county's population was 42,706 as of 2021,
a decrease of
3.3% from 44,151 in 2010.
The timezone is Mountain Time (observes DST).
The Federal Information Processing System (FIPS) code for Cerro Gordo County is 19033.
| Population | |
|---|---|
| 2021 population | 42,706 |
| 2010 population | 44,151 |
| Change | -3.3% |
| County details | |
|---|---|
| State | Iowa |
| FIPS code | 19033 |
| Timezone | Mountain |
| Daylight saving | Yes |
Cities in Cerro Gordo County
ZIP codes for Cerro Gordo County, IA (11)
| ZIP code | City | County | Map |
|---|---|---|---|
| 50401 | Mason City | Cerro Gordo | View map |
| 50402 | Mason City | Cerro Gordo | View map |
| 50428 | Clear Lake | Cerro Gordo | View map |
| 50433 | Dougherty | Cerro Gordo | View map |
| 50457 | Meservey | Cerro Gordo | View map |
| 50464 | Plymouth | Cerro Gordo | View map |
| 50467 | Rock Falls | Cerro Gordo | View map |
| 50469 | Rockwell | Cerro Gordo | View map |
| 50477 | Swaledale | Cerro Gordo | View map |
| 50479 | Thornton | Cerro Gordo | View map |
| 50482 | Ventura | Cerro Gordo | View map |
Demographics & statistics
42,577
Population
44.4
Median age
$63,944
Median household income
$38,439
Per capita income
$139,140
Median home value
$686
Median monthly rent
77.8%
Home ownership
11.4%
Poverty rate
2.4%
Unemployment
16,932
Housing units
21.0%
Bachelor's or higher
Age distribution
Male
Female
1,170
Under 5
1,024
1,128
5–9
987
1,535
10–14
1,343
1,390
15–19
1,217
1,199
20–24
1,050
2,604
25–34
2,278
2,523
35–44
2,207
2,507
45–54
2,194
1,559
55–59
1,364
1,952
60–64
1,709
2,894
65–74
2,532
1,490
75–84
1,303
756
85+
662
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 8,800 | 26.0% |
| 18 and over | 33,777 | 74.1% |
| 65 and over | 9,637 | 21.5% |
| Median age | 44.4 years | |
Race & ethnicity
White
90.1%
Two or more races
3.6%
Hispanic or Latino
2.2%
Black or African American
1.8%
Asian
1.2%
Other race
0.6%
Native Hawaiian / Pacific Islander
0.3%
American Indian / Alaska Native
0.2%
| Group | Count | % |
|---|---|---|
| White | 39,226 | 90.1% |
| Two or more races | 1,565 | 3.6% |
| Hispanic or Latino | 952 | 2.2% |
| Black or African American | 785 | 1.8% |
| Asian | 538 | 1.2% |
| Other race | 246 | 0.6% |
| Native Hawaiian / Pacific Islander | 122 | 0.3% |
| American Indian / Alaska Native | 95 | 0.2% |
Household income
Under $10k
2.2%
$10k–$15k
3.4%
$15k–$25k
8.3%
$25k–$35k
8.2%
$35k–$50k
15.4%
$50k–$75k
21.9%
$75k–$100k
15.5%
$100k–$150k
15.8%
$150k–$200k
5.2%
$200k+
4.1%
| Range | % of households |
|---|---|
| Under $10k | 2.2% |
| $10k–$15k | 3.4% |
| $15k–$25k | 8.3% |
| $25k–$35k | 8.2% |
| $35k–$50k | 15.4% |
| $50k–$75k | 21.9% |
| $75k–$100k | 15.5% |
| $100k–$150k | 15.8% |
| $150k–$200k | 5.2% |
| $200k+ | 4.1% |
| Median income | $63,944 |
Housing
Home values
Under $50k
14.1%
$50k–$100k
21.9%
$100k–$150k
18.4%
$150k–$200k
15.3%
$200k–$300k
16.8%
$300k–$500k
8.7%
$500k–$1M
3.6%
$1M+
1.2%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $139,140 |
| Median rent / month | $686 |
| Owner occupied | 77.8% |
| Renter occupied | 22.2% |
| Vacant | 18.6% |
| Single-family detached | 86.9% |
| Large apartment buildings | 1.2% |
| Mobile homes | 2.7% |
| Median rooms | 6.2 |
| Avg household size (owned) | 2.55 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.4% |
| 2010–2019 | 1.8% |
| 2000–2009 | 4.6% |
| 1990–1999 | 4.4% |
| 1980–1989 | 3.9% |
| 1970–1979 | 18.7% |
| 1960–1969 | 8.7% |
| 1950–1959 | 11.9% |
| 1940–1949 | 5.9% |
| 1939 or earlier | 39.9% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.6% |
| 1 bedroom | 6.7% |
| 2 bedrooms | 28.0% |
| 3 bedrooms | 44.4% |
| 4 bedrooms | 15.6% |
| 5+ bedrooms | 4.8% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 1.9% |
| 1 vehicle | 21.3% |
| 2 vehicles | 44.0% |
| 3 or more | 32.9% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 38.0% |
| Electricity | 14.1% |
| Propane / LP gas | 45.1% |
| Fuel oil | 0.5% |
| Wood | 1.0% |
| No fuel used | 1.4% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 8,863 | 57.2% |
| Cohabiting couple | 1,400 | 5.4% |
| Male householder, no spouse | 4,173 | 19.3% |
| Female householder, no spouse | 4,819 | 18.2% |
| Households with children under 18 | 4,431 | 27.4% |
| Households with seniors (65+) | 6,657 | 36.9% |
| Average household size | 2.49 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 29.6% | 20.1% |
| Married | 59.4% | 60.4% |
| Separated | 0.9% | 0.6% |
| Widowed | 2.0% | 9.2% |
| Divorced | 8.2% | 9.7% |
Education
Less than 9th grade
1.6%
Some HS, no diploma
4.0%
HS graduate
31.0%
Some college, no degree
25.7%
Associate's degree
16.8%
Bachelor's degree
16.7%
Graduate / professional
4.3%
| Metric | % |
|---|---|
| HS diploma or higher | 94.4% |
| Bachelor's or higher | 21.0% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 534 | 10.0% |
| Kindergarten | 550 | 7.6% |
| Elementary school | 3,894 | 43.7% |
| High school | 2,161 | 23.1% |
| College / grad school | 1,508 | 15.6% |
Employment
Industry of employment
Education & healthcare
17.6%
Agriculture & mining
14.6%
Retail trade
13.9%
Manufacturing
13.1%
Arts, food & hospitality
6.8%
Construction
6.0%
Professional & management
5.8%
Wholesale trade
5.3%
Finance & real estate
4.8%
Transportation & utilities
4.5%
Other services
4.0%
Public administration
2.2%
Information
1.5%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 34.7% |
| Service | 15.3% |
| Sales & office | 21.7% |
| Natural resources & construction | 11.5% |
| Production & transportation | 16.8% |
Employment type
| Type | % |
|---|---|
| Private sector | 83.1% |
| Government | 7.9% |
| Self-employed | 7.2% |
| Unpaid family workers | 1.8% |
Commute
| Method | % |
|---|---|
| Drive alone | 72.8% |
| Carpool | 8.0% |
| Public transit | 0.1% |
| Walk | 2.3% |
| Other means | 1.1% |
| Avg commute (minutes) | 21.0 |
Poverty
All people
11.4%
Under 18 years
17.9%
18 and over
8.9%
Married-couple families
3.6%
Female-led households
16.7%
Income support
| Source | % of households |
|---|---|
| Social Security | 38.5% |
| Retirement income | 23.4% |
| Supplemental Security | 4.1% |
| Cash public assistance | 1.4% |
| Food stamps / SNAP | 5.5% |
Health indicators
| Condition | % |
|---|---|
| High blood pressure | 33.4% |
| High cholesterol | 33.9% |
| Heart disease | 6.7% |
| Stroke | 3.0% |
| Asthma | 9.1% |
| Arthritis | 25.3% |
| Kidney disease | 2.8% |
| Pulmonary disease | 6.5% |
| Cancer | 7.5% |
| Behavior / access | % |
|---|---|
| Binge drinking | 21.4% |
| No physical activity | 23.2% |
| Less than 7 hrs sleep | 31.1% |
| Fair or poor health | 11.7% |
| Poor mental health | 12.8% |
| Poor physical health | 9.2% |
| No health insurance | 8.7% |
| Visited doctor (checkup) | 75.8% |
| Visited dentist | 70.3% |
| Cholesterol screening | 89.4% |
| Teeth loss | 11.4% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 2,609 | 11.0% |
| Disability | % |
|---|---|
| Any disability | 10.5% |
| Under 18 | 1.2% |
| 18–64 years | 8.9% |
| 65 and over | 25.5% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 75.9% |
| Public insurance | 39.6% |
| Uninsured under 19 | 1.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 40,383 | 90.1% |
| Spanish | 424 | 0.7% |
| Other Indo-European | 198 | 0.5% |
| Asian & Pacific Islander | 47 | 0.0% |
| Other languages | 141 | 0.2% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 41,610 | 99.0% |
| Born in same state | 41,229 | 97.4% |
| Born in different state | 31,820 | 81.1% |
| Foreign born | 381 | 1.6% |
| Naturalized citizen | 967 | 1.0% |
| Not a US citizen | 570 | 40.7% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Polish | 5,656 | 13.3% |
| Italian | 4,511 | 10.6% |
| French | 2,778 | 6.5% |
| Arab | 1,319 | 3.1% |
| Dutch | 991 | 2.3% |
| Ancestry | Count | % |
|---|---|---|
| English | 944 | 2.2% |
| German | 74 | 0.2% |
| Irish | 39 | 0.1% |
| Norwegian | 38 | 0.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 40.2% |
| Internet access | 90.7% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
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