50570 ZIP Code — Ottosen, IA

Humboldt County, Iowa

ZIP code 50570 is located in Ottosen, Iowa, within Humboldt County. It covers approximately 43.36 square miles and serves a population of 152 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 515.

152
population
43.36
sq mi land
Standard
ZIP type
Central (CT)
timezone
50570 ZIP code map
Cities in ZIP code 50570

Below are the cities the US Postal Service accepts for ZIP code 50570. Using any city not on this list may result in mail delivery delays.

City Status
Ottosen Preferred
Nearby ZIP codes
50519 Bode (6.2 mi) 50597 West Bend (6.5 mi) 50520 Bradgate (7.6 mi) 50582 Rutland (8.2 mi) 50581 Rolfe (8.7 mi) 50558 Livermore (11.5 mi) 50541 Gilmore City (12.8 mi) 50548 Humboldt (13.9 mi) 50598 Whittemore (14.2 mi) 50562 Mallard (14.3 mi) 50529 Dakota City (14.6 mi) 50560 Lu Verne (14.8 mi)
Demographics updated 05/2026
Population
Total population 152
Population density 4 / sq mi
State FIPS 19
County FIPS 091
Geography
Land area 43.36 sq mi
Water area 0.02 sq mi
Latitude 42.8854
Longitude -94.3839
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 22.0% 42.4% 40.1%
$50k – $100k 50.0% 34.6% 33.4%
$100k – $200k 24.4% 19.5% 21.5%
Over $200k 3.7% 3.5% 5.0%

Demographics & statistics

152
Population
4
People per sq mi
52.0
Median age
$67,426
Median household income
$39,663
Per capita income
$110,800
Median home value
$663
Median monthly rent
59.4%
Home ownership
1.3%
Poverty rate
1.5%
Unemployment
59
Housing units
34.8%
Bachelor's or higher

Age distribution

Male Female
8
Under 5
6
6
5–9
4
6
10–14
5
1
20–24
1
10
25–34
7
7
35–44
5
11
45–54
8
12
55–59
9
7
60–64
6
17
65–74
13
1
75–84
1
1
85+
0
← Male
Female →

Age summary

GroupCount%
Under 183523.0%
18 and over11777.0%
65 and over3321.7%
Median age52.0 years

Race & ethnicity

White 98.7%
Two or more races 1.3%
GroupCount%
White15098.7%
Two or more races21.3%

Household income

Income range This ZIP County avg State avg
Under $50k 22.0% 42.4% 40.1%
$50k – $100k 50.0% 34.6% 33.4%
$100k – $200k 24.4% 19.5% 21.5%
Over $200k 3.7% 3.5% 5.0%
$15k–$25k 1.4%
$25k–$35k 17.4%
$35k–$50k 4.3%
$50k–$75k 46.4%
$75k–$100k 7.2%
$100k–$150k 10.1%
$150k–$200k 10.1%
$200k+ 2.9%
Range% of households
$15k–$25k1.4%
$25k–$35k17.4%
$35k–$50k4.3%
$50k–$75k46.4%
$75k–$100k7.2%
$100k–$150k10.1%
$150k–$200k10.1%
$200k+2.9%
Median income$67,426

Housing

Home values

Under $50k 19.5%
$50k–$100k 14.6%
$100k–$150k 36.6%
$150k–$200k 14.6%
$200k–$300k 4.9%
$300k–$500k 7.3%
$500k–$1M 2.4%

Housing overview

MetricValue
Median home value$110,800
Median rent / month$663
Owner occupied59.4%
Renter occupied40.6%
Vacant20.7%
Single-family detached100.0%
Large apartment buildings0.0%
Mobile homes0.0%
Median rooms10.0
Avg household size (owned)2.32

Year built

Era%
2020 or later0.0%
2010–20191.1%
2000–20096.9%
1990–19990.0%
1980–19891.1%
1970–19790.0%
1960–19692.3%
1950–19594.6%
1940–19491.1%
1939 or earlier82.8%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom1.1%
2 bedrooms9.2%
3 bedrooms27.6%
4 bedrooms41.4%
5+ bedrooms20.7%

Vehicles per household

Vehicles% of households
No vehicle0.0%
1 vehicle8.7%
2 vehicles39.1%
3 or more52.2%

Heating fuel

Fuel type%
Electricity2.9%
Propane / LP gas94.2%
Fuel oil1.4%
Wood1.4%

Households & families

Household typeCount%
Married-couple family3855.1%
Cohabiting couple22.9%
Male householder, no spouse2231.9%
Female householder, no spouse710.1%
Households with children under 181623.2%
Households with seniors (65+)2840.6%
Average household size2.20

Marital status

StatusMaleFemale
Never married4.6%3.8%
Married60.0%80.8%
Separated0.0%0.0%
Widowed23.1%5.8%
Divorced12.3%9.6%

Education

Less than 9th grade 0.0%
Some HS, no diploma 0.0%
HS graduate 27.0%
Some college, no degree 22.6%
Associate's degree 15.7%
Bachelor's degree 29.6%
Graduate / professional 5.2%
Metric%
HS diploma or higher100.0%
Bachelor's or higher34.8%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool12.9%
Kindergarten12.9%
Elementary school1750.0%
High school12.9%
College / grad school1441.2%

Employment

Industry of employment

Agriculture & mining 22.4%
Education & healthcare 13.4%
Information 11.9%
Transportation & utilities 10.4%
Public administration 10.4%
Finance & real estate 9.0%
Manufacturing 4.5%
Professional & management 4.5%
Other services 4.5%
Construction 3.0%
Wholesale trade 3.0%
Arts, food & hospitality 3.0%

Occupation

Category%
Management, business & arts71.6%
Service0.0%
Sales & office7.5%
Natural resources & construction14.9%
Production & transportation6.0%

Employment type

Type%
Private sector43.3%
Government23.9%
Self-employed29.9%
Unpaid family workers3.0%

Commute

Method%
Drive alone67.2%
Carpool10.4%
Public transit0.0%
Walk6.0%
Work from home16.4%
Other means0.0%
Avg commute (minutes)16.4

Poverty

All people 1.3%
Under 18 years 0.0%
18 and over 1.7%
Married-couple families 0.0%
Female-led households 0.0%

Income support

Source% of households
Social Security56.5%
Retirement income30.4%
Supplemental Security1.4%
Cash public assistance0.0%
Food stamps / SNAP0.0%

Health indicators

Condition%
Obesity38.0%
High blood pressure33.8%
High cholesterol33.4%
Diabetes10.5%
Heart disease7.0%
Stroke3.2%
Asthma9.3%
Arthritis25.5%
Kidney disease2.9%
Pulmonary disease7.1%
Cancer7.0%
Behavior / access%
Smoking18.1%
Binge drinking21.7%
No physical activity25.2%
Less than 7 hrs sleep30.8%
Depression17.8%
Fair or poor health13.2%
Poor mental health13.4%
Poor physical health10.2%
No health insurance8.8%
Visited doctor (checkup)74.8%
Visited dentist65.2%
Cholesterol screening89.6%
Teeth loss13.8%

Veterans & disability

VeteransCount%
Civilian veterans21.7%
Disability%
Any disability9.2%
Under 180.0%
18–64 years11.9%
65 and over12.1%

Health insurance coverage

Type%
Private insurance78.9%
Public insurance40.1%
No insurance1.3%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only13890.8%
Spanish00.0%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)15199.3%
Born in same state15199.3%
Born in different state14192.8%
Foreign born00.0%
Naturalized citizen10.7%
Not a US citizen1100.0%

Ancestry

AncestryCount%
Polish5435.5%
Arab2214.5%
AncestryCount%
Italian106.6%
Norwegian10.7%

Technology access

Metric% of households
Computer access45.4%
Internet access100.0%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 50570

What city is ZIP code 50570 in?

ZIP code 50570 is primarily assigned to Ottosen, Iowa.

What county is ZIP code 50570 in?

ZIP code 50570 falls within Humboldt County, Iowa.

Does ZIP code 50570 have a large retiree population?

57% of households in ZIP code 50570 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 50570?

The median home value in ZIP code 50570 is $110,800.

What is the population of ZIP code 50570?

ZIP code 50570 has an estimated population of 152 residents, with a density of 4 people per square mile.

What is the median household income in ZIP code 50570?

The median household income in ZIP code 50570 is $67,426, below the national median of ~$75,000.

What timezone is ZIP code 50570 in?

ZIP code 50570 observes the CST timezone.

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