50531 ZIP Code — Dolliver, IA

Emmet County, Iowa

ZIP code 50531 is located in Dolliver, Iowa, within Emmet County. It covers approximately 38.80 square miles and serves a population of 232 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 712.

About ZIP code 50531

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $127,400. Owner-occupancy is high at 92%, well above the national average.

Median household income is $78,036. Poverty affects 20% of residents, above the national average. 57% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is production, transportation, and material moving, with manufacturing as the leading industry. An above-average commute of 38 minutes suggests many residents work outside the immediate area.

College attainment at 3% is below the national average, consistent with a trades and production-oriented local economy.

Notable community characteristics include a notable veteran presence at 17% of civilians, above the national average of 7%; and disability rates above the national average at 33%.

Overall, ZIP code 50531 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, a strong veteran community, high homeownership, and a significant Social Security-dependent population.

232

population

38.80

sq mi land

Standard

ZIP type

Central (CT)

timezone

50531 ZIP code map

Cities in ZIP code 50531

Below are the cities the US Postal Service accepts for ZIP code 50531. Using any city not on this list may result in mail delivery delays.

City	Status
Dolliver	Preferred

Nearby ZIP codes

56121 Ceylon (6.5 mi) 50514 Armstrong (7.3 mi) 51334 Estherville (9 mi) 50578 Ringsted (10.4 mi) 56127 Dunnell (10.8 mi) 51365 Wallingford (12 mi) 56031 Fairmont (14.8 mi) 56181 Welcome (15 mi) 51342 Graettinger (16.2 mi) 56171 Sherburn (16.5 mi) 50539 Fenton (17.4 mi) 50590 Swea City (17.5 mi)

Demographics updated 05/2026

Population
Total population	232
Population density	6 / sq mi
State FIPS	19
County FIPS	063

Geography
Land area	38.80 sq mi
Water area	1.46 sq mi
Latitude	43.4502
Longitude	-94.6203
Timezone	Central (CT)
Area code	712

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	45.2%	44.4%	40.1%
$50k – $100k	15.3%	36.0%	33.4%
$100k – $200k	12.1%	16.7%	21.5%
Over $200k	27.4%	2.9%	5.0%

Demographics & statistics

232

Population

People per sq mi

59.4

Median age

$78,036

Median household income

$35,204

Per capita income

$127,400

Median home value

Median monthly rent

91.9%

Home ownership

19.8%

Poverty rate

0.0%

Unemployment

154

Housing units

3.4%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	17	7.3%
18 and over	215	92.7%
65 and over	93	40.1%
Median age	59.4 years

Race & ethnicity

White 100%

Group	Count	%
White	232	100%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	45.2%	44.4%	40.1%
$50k – $100k	15.3%	36.0%	33.4%
$100k – $200k	12.1%	16.7%	21.5%
Over $200k	27.4%	2.9%	5.0%

Under $10k 17.1%

$10k–$15k 0.9%

$15k–$25k 3.6%

$25k–$35k 10.8%

$35k–$50k 4.5%

$50k–$75k 11.7%

$75k–$100k 6.3%

$100k–$150k 37.8%

$150k–$200k 5.4%

$200k+ 1.8%

Range	% of households
Under $10k	17.1%
$10k–$15k	0.9%
$15k–$25k	3.6%
$25k–$35k	10.8%
$35k–$50k	4.5%
$50k–$75k	11.7%
$75k–$100k	6.3%
$100k–$150k	37.8%
$150k–$200k	5.4%
$200k+	1.8%
Median income	$78,036

Housing

Home values

Under $50k 20.6%

$50k–$100k 25.5%

$100k–$150k 40.2%

$150k–$200k 7.8%

$300k–$500k 5.9%

Housing overview

Metric	Value
Median home value	$127,400
Median rent / month	$0
Owner occupied	91.9%
Renter occupied	8.1%
Vacant	31.9%
Single-family detached	99.4%
Large apartment buildings	0.0%
Mobile homes	0.6%
Median rooms	6.4
Avg household size (owned)	2.02

Year built

Era	%
2020 or later	0.0%
2010–2019	1.2%
2000–2009	0.0%
1990–1999	0.0%
1980–1989	11.7%
1970–1979	1.8%
1960–1969	14.1%
1950–1959	1.8%
1940–1949	7.4%
1939 or earlier	62.0%

Bedrooms

Size	% of units
No bedroom (studio)	11.0%
1 bedroom	1.2%
2 bedrooms	17.8%
3 bedrooms	25.2%
4 bedrooms	44.8%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	9.0%
2 vehicles	35.1%
3 or more	55.9%

Heating fuel

Fuel type	%
Utility gas	5.4%
Propane / LP gas	94.6%

Households & families

Household type	Count	%
Married-couple family	72	64.9%
Cohabiting couple	24	21.6%
Male householder, no spouse	9	8.1%
Female householder, no spouse	6	5.4%
Households with children under 18	14	12.6%
Households with seniors (65+)	52	46.8%
Average household size	2.09

Marital status

Status	Male	Female
Never married	8.5%	5.1%
Married	69.5%	69.4%
Separated	0.0%	0.0%
Widowed	5.1%	5.1%
Divorced	16.9%	20.4%

Education

Less than 9th grade 0.5%

Some HS, no diploma 2.0%

HS graduate 39.7%

Some college, no degree 17.2%

Associate's degree 37.3%

Bachelor's degree 3.4%

Graduate / professional 0.0%

Metric	%
HS diploma or higher	97.5%
Bachelor's or higher	3.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	1	4.8%
Kindergarten	1	4.8%
Elementary school	5	23.8%
High school	6	28.6%
College / grad school	8	38.1%

Employment

Industry of employment

Manufacturing 27.7%

Transportation & utilities 17.9%

Retail trade 10.7%

Agriculture & mining 8.9%

Wholesale trade 8.0%

Finance & real estate 8.0%

Arts, food & hospitality 4.5%

Other services 4.5%

Information 3.6%

Education & healthcare 3.6%

Construction 2.7%

Occupation

Category	%
Management, business & arts	25.0%
Service	1.8%
Sales & office	9.8%
Natural resources & construction	19.6%
Production & transportation	43.8%

Employment type

Type	%
Private sector	93.8%
Government	1.8%
Self-employed	2.7%
Unpaid family workers	1.8%

Commute

Method	%
Drive alone	89.8%
Carpool	8.3%
Public transit	0.0%
Walk	0.0%
Work from home	1.9%
Other means	0.0%
Avg commute (minutes)	38.4

Poverty

All people 19.8%

Under 18 years 0.0%

18 and over 21.4%

Married-couple families 26.4%

Female-led households 0.0%

Income support

Source	% of households
Social Security	56.8%
Retirement income	22.5%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
Obesity	39.2%
High blood pressure	36.9%
High cholesterol	36.2%
Diabetes	10.8%
Heart disease	7.2%
Stroke	3.2%
Asthma	9.0%
Arthritis	27.6%
Kidney disease	3.0%
Pulmonary disease	7.3%
Cancer	7.8%

Behavior / access	%
Smoking	17.6%
Binge drinking	20.6%
No physical activity	24.6%
Less than 7 hrs sleep	29.7%
Depression	17.0%
Fair or poor health	12.9%
Poor mental health	12.6%
Poor physical health	10.0%
No health insurance	9.0%
Visited doctor (checkup)	76.0%
Visited dentist	68.9%
Cholesterol screening	90.5%
Teeth loss	11.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	36	16.7%

Disability	%
Any disability	32.8%
Under 18	0.0%
18–64 years	13.1%
65 and over	64.5%

Health insurance coverage

Type	%
Private insurance	87.5%
Public insurance	50.4%
No insurance	0.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	226	97.4%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	232	100.0%
Born in same state	232	100.0%
Born in different state	141	60.8%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Polish	36	15.5%
Dutch	31	13.4%
French	30	12.9%

Ancestry	Count	%
Arab	21	9.1%
Italian	19	8.2%
English	8	3.4%

Technology access

Metric	% of households
Computer access	47.8%
Internet access	97.3%

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

Frequently asked questions about ZIP code 50531

What city is ZIP code 50531 in?

ZIP code 50531 is primarily assigned to Dolliver, Iowa.

What county is ZIP code 50531 in?

ZIP code 50531 falls within Emmet County, Iowa.

Does ZIP code 50531 have an older population?

40% of residents in ZIP code 50531 are 65 or older, above the national average of ~17%.

Does ZIP code 50531 have a large retiree population?

57% of households in ZIP code 50531 receive Social Security income, suggesting a significant retiree or disability population.

How educated is the population of ZIP code 50531?

3% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

Is ZIP code 50531 mostly owner-occupied?

92% of occupied units in ZIP code 50531 are owner-occupied, well above the national average.

What timezone is ZIP code 50531 in?

ZIP code 50531 observes the CST timezone.