51346 ZIP Code — Hartley, IA

Obrien County, Iowa

ZIP code 51346 is located in Hartley, Iowa, within Obrien County. It covers approximately 146.18 square miles and serves a population of 2,201 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 712.

About ZIP code 51346

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 $104,600. Owner-occupancy is high at 78%, well above the national average.

Median household income is $56,042. 37% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 21 minutes is near the national average.

College attainment at 20% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 51346 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

2,201

population

146.18

sq mi land

Standard

ZIP type

Central (CT)

timezone

51346 ZIP code map

Cities in ZIP code 51346

Below are the cities the US Postal Service accepts for ZIP code 51346. Using any city not on this list may result in mail delivery delays.

City	Status
Hartley	Acceptable
Hartley	Preferred

Nearby ZIP codes

51338 Everly (8 mi) 51248 Sanborn (9.5 mi) 51350 Melvin (10.5 mi) 51245 Primghar (10.9 mi) 51357 Royal (13.1 mi) 51058 Sutherland (14.5 mi) 51231 Archer (15.1 mi) 51345 Harris (15.4 mi) 51351 Milford (16 mi) 51354 Ocheyedan (16 mi) 51301 Spencer (16.2 mi) 51047 Peterson (17.2 mi)

Demographics updated 05/2026

Population
Total population	2,201
Population density	15 / sq mi
State FIPS	19
County FIPS	141

Geography
Land area	146.18 sq mi
Water area	0.04 sq mi
Latitude	43.1841
Longitude	-95.4666
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	55.6%	43.1%	40.1%
$50k – $100k	27.8%	37.3%	33.4%
$100k – $200k	14.8%	16.5%	21.5%
Over $200k	1.9%	3.1%	5.0%

Demographics & statistics

2,201

Population

People per sq mi

42.3

Median age

$56,042

Median household income

$29,602

Per capita income

$104,600

Median home value

$731

Median monthly rent

78.1%

Home ownership

11.0%

Poverty rate

3.5%

Unemployment

794

Housing units

19.7%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

127

25–34

136

35–44

106

135

45–54

143

55–59

60–64

103

65–74

110

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	468	21.3%
18 and over	1,733	78.7%
65 and over	503	22.9%
Median age	42.3 years

Race & ethnicity

White 91.6%

Two or more races 3%

Hispanic or Latino 2%

Other race 1.8%

Black or African American 0.8%

American Indian / Alaska Native 0.8%

Group	Count	%
White	2,058	91.6%
Two or more races	67	3%
Hispanic or Latino	45	2%
Other race	41	1.8%
Black or African American	18	0.8%
American Indian / Alaska Native	17	0.8%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	55.6%	43.1%	40.1%
$50k – $100k	27.8%	37.3%	33.4%
$100k – $200k	14.8%	16.5%	21.5%
Over $200k	1.9%	3.1%	5.0%

Under $10k 6.3%

$10k–$15k 5.1%

$15k–$25k 11.6%

$25k–$35k 9.4%

$35k–$50k 12.8%

$50k–$75k 14.4%

$75k–$100k 16.0%

$100k–$150k 15.4%

$150k–$200k 5.7%

$200k+ 3.4%

Range	% of households
Under $10k	6.3%
$10k–$15k	5.1%
$15k–$25k	11.6%
$25k–$35k	9.4%
$35k–$50k	12.8%
$50k–$75k	14.4%
$75k–$100k	16.0%
$100k–$150k	15.4%
$150k–$200k	5.7%
$200k+	3.4%
Median income	$56,042

Housing

Home values

Under $50k 18.4%

$50k–$100k 30.5%

$100k–$150k 12.7%

$150k–$200k 11.8%

$200k–$300k 11.7%

$300k–$500k 9.3%

$500k–$1M 5.5%

Housing overview

Metric	Value
Median home value	$104,600
Median rent / month	$731
Owner occupied	78.1%
Renter occupied	21.9%
Vacant	11.1%
Single-family detached	87.8%
Large apartment buildings	0.3%
Mobile homes	0.1%
Median rooms	6.3
Avg household size (owned)	2.49

Year built

Era	%
2020 or later	0.0%
2010–2019	4.8%
2000–2009	4.5%
1990–1999	6.6%
1980–1989	7.0%
1970–1979	10.9%
1960–1969	10.0%
1950–1959	12.5%
1940–1949	10.3%
1939 or earlier	33.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	9.8%
2 bedrooms	27.4%
3 bedrooms	38.1%
4 bedrooms	20.3%
5+ bedrooms	4.4%

Vehicles per household

Vehicles	% of households
No vehicle	8.2%
1 vehicle	26.5%
2 vehicles	35.0%
3 or more	30.3%

Heating fuel

Fuel type	%
Utility gas	56.0%
Electricity	25.5%
Propane / LP gas	17.0%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	447	51.0%
Cohabiting couple	63	7.2%
Male householder, no spouse	132	15.1%
Female householder, no spouse	235	26.8%
Households with children under 18	204	23.3%
Households with seniors (65+)	311	35.5%
Average household size	2.43

Marital status

Status	Male	Female
Never married	31.0%	17.0%
Married	54.9%	49.9%
Separated	0.8%	0.4%
Widowed	6.2%	16.2%
Divorced	7.1%	16.4%

Education

Less than 9th grade 2.7%

Some HS, no diploma 8.0%

HS graduate 36.8%

Some college, no degree 18.1%

Associate's degree 14.8%

Bachelor's degree 15.2%

Graduate / professional 4.5%

Metric	%
HS diploma or higher	89.4%
Bachelor's or higher	19.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	38	7.9%
Kindergarten	24	5.0%
Elementary school	199	41.3%
High school	119	24.7%
College / grad school	102	21.2%

Employment

Industry of employment

Education & healthcare 28.4%

Manufacturing 12.5%

Transportation & utilities 11.8%

Retail trade 8.1%

Agriculture & mining 7.3%

Arts, food & hospitality 7.1%

Finance & real estate 5.3%

Other services 5.1%

Construction 5.0%

Wholesale trade 4.0%

Professional & management 3.6%

Information 1.1%

Public administration 0.9%

Occupation

Category	%
Management, business & arts	28.5%
Service	18.6%
Sales & office	22.1%
Natural resources & construction	11.5%
Production & transportation	19.3%

Employment type

Type	%
Private sector	88.4%
Government	7.0%
Self-employed	4.6%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	79.6%
Carpool	4.9%
Public transit	0.2%
Walk	4.4%
Work from home	10.1%
Other means	0.8%
Avg commute (minutes)	20.5

Poverty

All people 11.0%

Under 18 years 12.2%

18 and over 10.7%

Married-couple families 4.5%

Female-led households 26.5%

Income support

Source	% of households
Social Security	37.4%
Retirement income	21.0%
Supplemental Security	3.3%
Cash public assistance	3.6%
Food stamps / SNAP	8.3%

Health indicators

Condition	%
Obesity	35.7%
High blood pressure	37.3%
High cholesterol	35.1%
Diabetes	11.6%
Heart disease	8.4%
Stroke	3.9%
Asthma	9.3%
Arthritis	28.7%
Kidney disease	3.6%
Pulmonary disease	8.5%
Cancer	8.3%

Behavior / access	%
Smoking	18.4%
Binge drinking	19.7%
No physical activity	29.9%
Less than 7 hrs sleep	29.9%
Depression	17.7%
Fair or poor health	15.4%
Poor mental health	13.3%
Poor physical health	11.3%
No health insurance	10.2%
Visited doctor (checkup)	76.3%
Visited dentist	63.9%
Cholesterol screening	89.0%
Teeth loss	16.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	98	5.7%

Disability	%
Any disability	16.9%
Under 18	5.6%
18–64 years	14.1%
65 and over	37.4%

Health insurance coverage

Type	%
Private insurance	66.1%
Public insurance	46.8%
No insurance	3.7%
Uninsured under 19	0.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,052	93.2%
Spanish	26	1.3%
Other Indo-European	21	1.0%
Asian & Pacific Islander	5	0.2%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,152	97.8%
Born in same state	2,149	97.6%
Born in different state	1,691	76.8%
Foreign born	3	0.1%
Naturalized citizen	49	2.2%
Not a US citizen	2	4.1%

Ancestry

Ancestry	Count	%
English	400	18.2%
Italian	200	9.1%
Polish	189	8.6%

Ancestry	Count	%
French	155	7%
Arab	79	3.6%
Dutch	29	1.3%

Technology access

Metric	% of households
Computer access	39.8%
Internet access	87.5%

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

Frequently asked questions about ZIP code 51346

What city is ZIP code 51346 in?

ZIP code 51346 is primarily assigned to Hartley, Iowa.

What county is ZIP code 51346 in?

ZIP code 51346 falls within Obrien County, Iowa.

Does ZIP code 51346 have a large retiree population?

37% of households in ZIP code 51346 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 51346?

The median home value in ZIP code 51346 is $104,600.

What is the population of ZIP code 51346?

ZIP code 51346 has an estimated population of 2,201 residents, with a density of 15 people per square mile.

What is the median household income in ZIP code 51346?

The median household income in ZIP code 51346 is $56,042, below the national median of ~$75,000.

What timezone is ZIP code 51346 in?

ZIP code 51346 observes the CST timezone.