51023 ZIP Code — Hawarden, IA
Sioux County, Iowa
ZIP code 51023 is located in Hawarden, Iowa, within Sioux County. It covers approximately 119.87 square miles and serves a population of 3,469 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 712.
About ZIP code 51023
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 $146,000. Owner-occupancy sits near the national average at 68%.
Median household income is $71,897. 32% 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 18 minutes is near the national average.
Educational attainment is near the national average, with 23% of residents holding a bachelor's degree or higher.
3,469
population
119.87
sq mi land
Standard
ZIP type
Central (CT)
timezone
51023 ZIP code map
Cities in ZIP code 51023
Below are the cities the US Postal Service accepts for ZIP code 51023. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Hawarden | Preferred |
Nearby ZIP codes
51027 Ireton (6.7 mi)
57001 Alcester (8.8 mi)
57034 Hudson (9.9 mi)
51250 Sioux Center (10.8 mi)
51247 Rock Valley (11.5 mi)
57027 Fairview (12.6 mi)
51036 Maurice (12.7 mi)
51001 Akron (13.9 mi)
51041 Orange City (18.2 mi)
57004 Beresford (18.8 mi)
51239 Hull (19 mi)
51240 Inwood (19.9 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 3,469 |
| Population density | 29 / sq mi |
| State FIPS | 19 |
| County FIPS | 167 |
| Geography | |
|---|---|
| Land area | 119.87 sq mi |
| Water area | 0.83 sq mi |
| Latitude | 43.0230 |
| Longitude | -96.4369 |
| 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 | 42.8% | 30.7% | 40.1% |
| $50k – $100k | 31.1% | 42.1% | 33.4% |
| $100k – $200k | 20.9% | 22.2% | 21.5% |
| Over $200k | 5.2% | 5.0% | 5.0% |
Demographics & statistics
3,469
Population
29
People per sq mi
34.6
Median age
$71,897
Median household income
$31,487
Per capita income
$146,000
Median home value
$841
Median monthly rent
67.9%
Home ownership
10.1%
Poverty rate
3.5%
Unemployment
972
Housing units
23.0%
Bachelor's or higher
Age distribution
Male
Female
174
Under 5
151
183
5–9
159
177
10–14
155
127
15–19
110
79
20–24
69
210
25–34
183
150
35–44
130
238
45–54
207
110
55–59
96
125
60–64
108
128
65–74
111
110
75–84
95
45
85+
39
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 1,166 | 33.6% |
| 18 and over | 2,303 | 66.4% |
| 65 and over | 528 | 15.2% |
| Median age | 34.6 years | |
Race & ethnicity
White
69.1%
Hispanic or Latino
13.5%
Two or more races
9.6%
Other race
5.8%
American Indian / Alaska Native
1.8%
Black or African American
0.1%
| Group | Count | % |
|---|---|---|
| White | 2,772 | 69.1% |
| Hispanic or Latino | 540 | 13.5% |
| Two or more races | 384 | 9.6% |
| Other race | 234 | 5.8% |
| American Indian / Alaska Native | 74 | 1.8% |
| Black or African American | 5 | 0.1% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 42.8% | 30.7% | 40.1% |
| $50k – $100k | 31.1% | 42.1% | 33.4% |
| $100k – $200k | 20.9% | 22.2% | 21.5% |
| Over $200k | 5.2% | 5.0% | 5.0% |
Under $10k
4.9%
$10k–$15k
3.8%
$15k–$25k
8.3%
$25k–$35k
4.8%
$35k–$50k
11.5%
$50k–$75k
18.6%
$75k–$100k
11.3%
$100k–$150k
22.6%
$150k–$200k
6.3%
$200k+
7.8%
| Range | % of households |
|---|---|
| Under $10k | 4.9% |
| $10k–$15k | 3.8% |
| $15k–$25k | 8.3% |
| $25k–$35k | 4.8% |
| $35k–$50k | 11.5% |
| $50k–$75k | 18.6% |
| $75k–$100k | 11.3% |
| $100k–$150k | 22.6% |
| $150k–$200k | 6.3% |
| $200k+ | 7.8% |
| Median income | $71,897 |
Housing
Home values
Under $50k
7.1%
$50k–$100k
21.5%
$100k–$150k
23.1%
$150k–$200k
14.9%
$200k–$300k
17.8%
$300k–$500k
12.2%
$500k–$1M
1.4%
$1M+
2.1%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $146,000 |
| Median rent / month | $841 |
| Owner occupied | 67.9% |
| Renter occupied | 32.1% |
| Vacant | 11.7% |
| Single-family detached | 77.6% |
| Large apartment buildings | 1.3% |
| Mobile homes | 5.5% |
| Median rooms | 5.7 |
| Avg household size (owned) | 3.14 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 3.5% |
| 2000–2009 | 8.3% |
| 1990–1999 | 3.2% |
| 1980–1989 | 10.1% |
| 1970–1979 | 26.1% |
| 1960–1969 | 9.7% |
| 1950–1959 | 4.7% |
| 1940–1949 | 5.2% |
| 1939 or earlier | 29.1% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 2.4% |
| 1 bedroom | 5.4% |
| 2 bedrooms | 37.1% |
| 3 bedrooms | 30.9% |
| 4 bedrooms | 13.5% |
| 5+ bedrooms | 10.7% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 8.2% |
| 1 vehicle | 21.2% |
| 2 vehicles | 36.4% |
| 3 or more | 34.2% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 43.6% |
| Electricity | 41.2% |
| Propane / LP gas | 9.0% |
| Fuel oil | 0.6% |
| Wood | 1.7% |
| No fuel used | 1.4% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 722 | 60.3% |
| Cohabiting couple | 57 | 4.8% |
| Male householder, no spouse | 217 | 18.1% |
| Female householder, no spouse | 202 | 16.9% |
| Households with children under 18 | 473 | 39.5% |
| Households with seniors (65+) | 348 | 29.0% |
| Average household size | 2.85 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 21.3% | 22.4% |
| Married | 60.8% | 60.0% |
| Separated | 2.6% | 3.0% |
| Widowed | 3.2% | 9.8% |
| Divorced | 12.0% | 4.9% |
Education
Less than 9th grade
8.7%
Some HS, no diploma
8.0%
HS graduate
33.0%
Some college, no degree
17.4%
Associate's degree
10.0%
Bachelor's degree
15.8%
Graduate / professional
7.1%
| Metric | % |
|---|---|
| HS diploma or higher | 83.4% |
| Bachelor's or higher | 23.0% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 64 | 6.5% |
| Kindergarten | 110 | 11.2% |
| Elementary school | 520 | 53.2% |
| High school | 186 | 19.0% |
| College / grad school | 98 | 10.0% |
Employment
Industry of employment
Education & healthcare
24.7%
Manufacturing
13.9%
Agriculture & mining
12.7%
Construction
11.5%
Retail trade
9.4%
Arts, food & hospitality
7.7%
Transportation & utilities
6.5%
Professional & management
3.7%
Wholesale trade
3.0%
Other services
2.7%
Finance & real estate
2.4%
Public administration
1.5%
Information
0.2%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 34.1% |
| Service | 15.6% |
| Sales & office | 11.6% |
| Natural resources & construction | 21.4% |
| Production & transportation | 17.3% |
Employment type
| Type | % |
|---|---|
| Private sector | 78.0% |
| Government | 13.1% |
| Self-employed | 8.9% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 72.4% |
| Carpool | 11.8% |
| Public transit | 0.0% |
| Walk | 1.3% |
| Work from home | 12.1% |
| Other means | 2.3% |
| Avg commute (minutes) | 17.6 |
Poverty
All people
10.1%
Under 18 years
11.0%
18 and over
9.6%
Married-couple families
6.2%
Female-led households
34.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 32.4% |
| Retirement income | 14.8% |
| Supplemental Security | 5.7% |
| Cash public assistance | 1.1% |
| Food stamps / SNAP | 3.9% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 37.6% |
| High blood pressure | 35.9% |
| High cholesterol | 33.6% |
| Diabetes | 11.2% |
| Heart disease | 7.6% |
| Stroke | 3.7% |
| Asthma | 9.3% |
| Arthritis | 27.0% |
| Kidney disease | 3.4% |
| Pulmonary disease | 7.9% |
| Cancer | 7.5% |
| Behavior / access | % |
|---|---|
| Smoking | 18.3% |
| Binge drinking | 18.3% |
| No physical activity | 28.9% |
| Less than 7 hrs sleep | 29.0% |
| Depression | 16.3% |
| Fair or poor health | 15.5% |
| Poor mental health | 13.2% |
| Poor physical health | 10.8% |
| No health insurance | 13.4% |
| Visited doctor (checkup) | 75.6% |
| Visited dentist | 63.7% |
| Cholesterol screening | 87.5% |
| Teeth loss | 17.6% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 126 | 5.5% |
| Disability | % |
|---|---|
| Any disability | 15.1% |
| Under 18 | 2.3% |
| 18–64 years | 14.6% |
| 65 and over | 47.4% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 63.3% |
| Public insurance | 36.6% |
| No insurance | 11.8% |
| Uninsured under 19 | 7.4% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 3,144 | 90.6% |
| Spanish | 302 | 9.6% |
| Other Indo-European | 302 | 9.6% |
| Asian & Pacific Islander | 0 | 0.0% |
| Other languages | 0 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 2,910 | 83.9% |
| Born in same state | 2,910 | 83.9% |
| Born in different state | 1,978 | 57.0% |
| Foreign born | 0 | 0.0% |
| Naturalized citizen | 559 | 16.1% |
| Not a US citizen | 217 | 38.8% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| English | 556 | 16% |
| Italian | 204 | 5.9% |
| French | 203 | 5.9% |
| Ancestry | Count | % |
|---|---|---|
| Arab | 196 | 5.7% |
| Polish | 159 | 4.6% |
| Dutch | 17 | 0.5% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 34.5% |
| Internet access | 91.5% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 51023
What city is ZIP code 51023 in?
ZIP code 51023 is primarily assigned to Hawarden, Iowa.
What county is ZIP code 51023 in?
ZIP code 51023 falls within Sioux County, Iowa.
Is ZIP code 51023 family-oriented?
34% of residents in ZIP code 51023 are under 18, reflecting a younger, family-oriented community.
What is the typical home value in ZIP code 51023?
The median home value in ZIP code 51023 is $146,000.
What is the population of ZIP code 51023?
ZIP code 51023 has an estimated population of 3,469 residents, with a density of 29 people per square mile.
What is the median household income in ZIP code 51023?
The median household income in ZIP code 51023 is $71,897, below the national median of ~$75,000.
What timezone is ZIP code 51023 in?
ZIP code 51023 observes the CST timezone.