PlainZIP

Ireton, IA · standard

ZIP Code 51027

Sioux County, Iowa - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

1,260
5/sq mi
$100,893
Median income
$227,200
Median home value
28.6%
Bachelor's or higher

The verdict

Ireton pairs an upper-quartile household income with above-median home values, in a rural, homeowner-dominated area.

Top 18%
household income, US ZIPs
Top 49%
home value, US ZIPs
5
people per sq mi
83%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 51027 against every reporting US ZIP.

ZIP code 51027 is a sparsely populated ZIP (a standard USPS delivery area) in Ireton, Sioux County, Iowa, home to just 1,260 residents across 237.7 square miles, a density of 5 people per square mile, in the Chicago time zone.

ZIP 51027 lands in the middle-income range, with a median household income of $100,893 (32% above the Iowa average), while per-capita income is $36,551. Poverty here runs at 8.1%, with unemployment measured at 0.3%. Median home value sits at $227,200 (29% above the state average), median rent at $1,094 a month, and owner-occupancy at 82.7%.

Educational attainment sits below the national norm: 28.6% of adults hold a bachelor's degree or higher, the median age is 36.8, and the average commute is -. Beyond these figures, 3 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Sioux County, letting you compare 51027 to its immediate surroundings rather than a national baseline alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 51027

Top 5 sectors by establishment count in Ireton, IA

Which industries have the most business establishments in ZIP 51027.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 51027, Ireton, IA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

1,260

Population

237.7

Area (sq mi)

5

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 51027?

36.8

Median Age

47.9%

Male

52.1%

Female

2.2%

Foreign-Born

White 98.8%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.2%
Two or More Ethnicities 0.8%
Hispanic or Latino 7.3%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$100,893

Median Household Income

+32% vs state

$36,551

Per Capita Income

8.1%

Poverty Rate

0.3%

Unemployment Rate

How ZIP 51027 ranks nationally

Ireton, IA household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$100,893 Top 18% higher than 82% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). This entry sits in this band. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 59.0%
Bachelor's Degree or Higher 28.6%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

516

Total Housing Units

415

Occupied Units

101

Vacant Units

3.08

Avg Household Size

Occupancy Type

Owner 82.7%
Renter 17.3%

$227,200

Median Home Value

+29% vs state

$1,094

Median Rent

1960

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 46 business establishments in ZIP 51027, employing approximately 194 people with a combined annual payroll of $9,994,000.

46

Businesses

194

Employees

$10.0M

Annual Payroll

6

Industry Sectors

Industry Establishments % of Total
Transportation and warehousing 9 19.6%
Other services (except public administration) 9 19.6%
Construction 8 17.4%
Retail trade 4 8.7%
Wholesale trade 3 6.5%
Accommodation and food services 3 6.5%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 51027 vs 51036 →

ZIP 51027 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 51027 ranks #3 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 51027 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 51027 ranks #2 of 4 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
51036 Maurice, IA 726 7.0 mi
51023 Hawarden, IA 3,216 7.2 mi
51250 Sioux Center, IA 8,249 10.1 mi

More ZIP Codes in Sioux County

51250 standard
Sioux Center, IA
Pop: 8,249
51041 standard
Orange City, IA
Pop: 6,976
51247 standard
Rock Valley, IA
Pop: 4,870
51023 standard
Hawarden, IA
Pop: 3,216
51239 standard
Hull, IA
Pop: 3,123
51003 standard
Alton, IA
Pop: 1,700

Related Areas

Sioux County Ireton, IA Iowa

Frequently Asked Questions

What county is ZIP code 51027 in? ▼
ZIP code 51027 (Ireton) is located in Sioux County, Iowa. Sioux County contains multiple ZIP codes, see the full list at /counties/sioux-ia.
What is the population of ZIP code 51027? ▼
ZIP code 51027 in Ireton, IA has a population of 1,260 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 51027? ▼
The median household income in ZIP 51027 is $100,893, which is 32% above the national average of $76,288.
What is the average home value in ZIP 51027? ▼
The median home value in ZIP 51027 is $227,200, which is 18% below the national average of $278,155.
What is the demographic makeup of ZIP 51027? ▼
The largest racial group in ZIP 51027 is White at 98.8%. Hispanic or Latino residents make up 7.3% of the population.
How many businesses are in ZIP code 51027? ▼
ZIP code 51027 has 46 business establishments employing approximately 194 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 51027? ▼
The top industries by establishment count in ZIP 51027 are: Transportation and warehousing (9), Other services (except public administration) (9), Construction (8). There are 6 industry sectors represented in total.
What is the education level in ZIP code 51027? ▼
In ZIP code 51027, 59.0% of residents aged 25+ have a high school diploma or higher, and 28.6% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 51027? ▼
In ZIP code 51027, approximately 82.7% of occupied housing units are owner-occupied and 17.3% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 51027? ▼
The poverty rate in ZIP code 51027 is 8.1% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.