51027 ZIP Code — Ireton, IA

Sioux County, Iowa

ZIP code 51027 is located in Ireton, Iowa, within Sioux County. It covers approximately 90.02 square miles and serves a population of 1,421 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 712.

About ZIP code 51027

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 $234,200. Owner-occupancy is high at 83%, well above the national average.

Median household income is $91,563.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 19 minutes is near the national average. Remote work is prevalent — 35% of workers work from home.

Educational attainment is near the national average, with 26% of residents holding a bachelor's degree or higher.

Overall, ZIP code 51027 reflects a community defined by high homeownership and a high rate of remote workers.

1,421

population

90.02

sq mi land

Standard

ZIP type

Central (CT)

timezone

51027 ZIP code map

Cities in ZIP code 51027

Below are the cities the US Postal Service accepts for ZIP code 51027. Using any city not on this list may result in mail delivery delays.

City	Status
Ireton	Acceptable
Ireton	Preferred

Nearby ZIP codes

51036 Maurice (6.5 mi) 51023 Hawarden (6.7 mi) 51250 Sioux Center (8 mi) 51001 Akron (12.7 mi) 51041 Orange City (12.9 mi) 51247 Rock Valley (14.1 mi) 51031 Le Mars (14.3 mi) 57001 Alcester (14.7 mi) 57034 Hudson (16.4 mi) 51003 Alton (16.8 mi) 51239 Hull (17.9 mi) 57027 Fairview (18 mi)

Demographics updated 05/2026

Population
Total population	1,421
Population density	16 / sq mi
State FIPS	19
County FIPS	167

Geography
Land area	90.02 sq mi
Water area	0.00 sq mi
Latitude	42.9748
Longitude	-96.3223
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	28.6%	30.7%	40.1%
$50k – $100k	52.4%	42.1%	33.4%
$100k – $200k	14.8%	22.2%	21.5%
Over $200k	4.1%	5.0%	5.0%

Demographics & statistics

1,421

Population

People per sq mi

34.9

Median age

$91,563

Median household income

$32,352

Per capita income

$234,200

Median home value

$1,094

Median monthly rent

82.9%

Home ownership

8.7%

Poverty rate

0.7%

Unemployment

445

Housing units

26.4%

Bachelor's or higher

Age distribution

Male Female

Under 5

101

5–9

101

10–14

15–19

20–24

25–34

148

35–44

149

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	530	37.3%
18 and over	891	62.7%
65 and over	169	11.9%
Median age	34.9 years

Race & ethnicity

White 95%

Hispanic or Latino 2.5%

Other race 2.5%

Two or more races 0.1%

Group	Count	%
White	1,384	95%
Hispanic or Latino	36	2.5%
Other race	36	2.5%
Two or more races	1	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	28.6%	30.7%	40.1%
$50k – $100k	52.4%	42.1%	33.4%
$100k – $200k	14.8%	22.2%	21.5%
Over $200k	4.1%	5.0%	5.0%

Under $10k 5.2%

$10k–$15k 2.3%

$15k–$25k 4.7%

$25k–$35k 2.9%

$35k–$50k 7.2%

$50k–$75k 11.0%

$75k–$100k 27.7%

$100k–$150k 19.8%

$150k–$200k 7.9%

$200k+ 11.3%

Range	% of households
Under $10k	5.2%
$10k–$15k	2.3%
$15k–$25k	4.7%
$25k–$35k	2.9%
$35k–$50k	7.2%
$50k–$75k	11.0%
$75k–$100k	27.7%
$100k–$150k	19.8%
$150k–$200k	7.9%
$200k+	11.3%
Median income	$91,563

Housing

Home values

Under $50k 4.3%

$50k–$100k 11.7%

$100k–$150k 17.7%

$150k–$200k 9.2%

$200k–$300k 19.0%

$300k–$500k 16.3%

$500k–$1M 20.1%

$1M+ 1.6%

Housing overview

Metric	Value
Median home value	$234,200
Median rent / month	$1,094
Owner occupied	82.9%
Renter occupied	17.1%
Vacant	14.8%
Single-family detached	94.2%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	7.0
Avg household size (owned)	3.10

Year built

Era	%
2020 or later	0.0%
2010–2019	6.5%
2000–2009	2.9%
1990–1999	5.0%
1980–1989	12.1%
1970–1979	13.6%
1960–1969	7.7%
1950–1959	5.6%
1940–1949	0.8%
1939 or earlier	45.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	1.7%
2 bedrooms	21.3%
3 bedrooms	33.6%
4 bedrooms	31.3%
5+ bedrooms	12.1%

Vehicles per household

Vehicles	% of households
No vehicle	1.1%
1 vehicle	7.9%
2 vehicles	33.6%
3 or more	57.4%

Heating fuel

Fuel type	%
Utility gas	0.5%
Electricity	55.9%
Propane / LP gas	40.3%
Fuel oil	1.8%
Wood	0.5%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	299	67.3%
Cohabiting couple	51	11.5%
Male householder, no spouse	30	6.8%
Female householder, no spouse	64	14.4%
Households with children under 18	205	46.2%
Households with seniors (65+)	125	28.2%
Average household size	3.20

Marital status

Status	Male	Female
Never married	30.0%	14.2%
Married	65.1%	66.5%
Separated	0.2%	0.0%
Widowed	0.6%	6.9%
Divorced	4.1%	12.4%

Education

Less than 9th grade 5.4%

Some HS, no diploma 0.4%

HS graduate 30.1%

Some college, no degree 18.4%

Associate's degree 19.5%

Bachelor's degree 15.0%

Graduate / professional 11.3%

Metric	%
HS diploma or higher	94.3%
Bachelor's or higher	26.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	87	20.9%
Kindergarten	60	14.4%
Elementary school	208	50.0%
High school	28	6.7%
College / grad school	33	7.9%

Employment

Industry of employment

Education & healthcare 24.4%

Agriculture & mining 16.0%

Retail trade 15.8%

Transportation & utilities 11.2%

Manufacturing 9.5%

Professional & management 6.4%

Construction 5.3%

Finance & real estate 5.1%

Wholesale trade 3.2%

Public administration 1.2%

Arts, food & hospitality 1.1%

Other services 0.8%

Occupation

Category	%
Management, business & arts	41.9%
Service	6.0%
Sales & office	23.1%
Natural resources & construction	5.7%
Production & transportation	23.3%

Employment type

Type	%
Private sector	69.6%
Government	5.1%
Self-employed	15.8%
Unpaid family workers	9.5%

Commute

Method	%
Drive alone	60.1%
Carpool	2.8%
Public transit	0.0%
Walk	1.5%
Work from home	35.4%
Other means	0.1%
Avg commute (minutes)	19.1

Poverty

All people 8.7%

Under 18 years 12.8%

18 and over 6.3%

Married-couple families 5.7%

Female-led households 0.0%

Income support

Source	% of households
Social Security	23.9%
Retirement income	12.6%
Supplemental Security	0.9%
Cash public assistance	0.0%
Food stamps / SNAP	8.3%

Health indicators

Condition	%
Obesity	36.4%
High blood pressure	32.7%
High cholesterol	32.5%
Diabetes	9.3%
Heart disease	6.2%
Stroke	2.9%
Asthma	9.2%
Arthritis	24.0%
Kidney disease	2.7%
Pulmonary disease	6.5%
Cancer	6.7%

Behavior / access	%
Smoking	17.7%
Binge drinking	20.4%
No physical activity	24.3%
Less than 7 hrs sleep	29.0%
Depression	16.8%
Fair or poor health	12.3%
Poor mental health	13.3%
Poor physical health	9.3%
No health insurance	10.0%
Visited doctor (checkup)	74.5%
Visited dentist	67.9%
Cholesterol screening	88.0%
Teeth loss	13.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	38	4.3%

Disability	%
Any disability	3.0%
Under 18	0.0%
18–64 years	2.1%
65 and over	16.6%

Health insurance coverage

Type	%
Private insurance	72.6%
Public insurance	28.4%
No insurance	6.6%
Uninsured under 19	1.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,223	86.1%
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)	1,385	97.5%
Born in same state	1,368	96.3%
Born in different state	1,020	71.8%
Foreign born	17	1.2%
Naturalized citizen	36	2.5%
Not a US citizen	19	52.8%

Ancestry

Ancestry	Count	%
English	680	47.9%
Italian	93	6.5%
French	43	3%

Ancestry	Count	%
Polish	37	2.6%
Dutch	23	1.6%
Arab	11	0.8%

Technology access

Metric	% of households
Computer access	31.2%
Internet access	92.3%

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

Frequently asked questions about ZIP code 51027

What city is ZIP code 51027 in?

ZIP code 51027 is primarily assigned to Ireton, Iowa.

What county is ZIP code 51027 in?

ZIP code 51027 falls within Sioux County, Iowa.

Is ZIP code 51027 family-oriented?

37% of residents in ZIP code 51027 are under 18, reflecting a younger, family-oriented community.

Is ZIP code 51027 mostly owner-occupied?

83% of occupied units in ZIP code 51027 are owner-occupied, well above the national average.

What is the population of ZIP code 51027?

ZIP code 51027 has an estimated population of 1,421 residents, with a density of 16 people per square mile.

What is the median household income in ZIP code 51027?

The median household income in ZIP code 51027 is $91,563, above the national median of ~$75,000.

What timezone is ZIP code 51027 in?

ZIP code 51027 observes the CST timezone.