51028 ZIP Code — Kingsley, IA

Plymouth County, Iowa

ZIP code 51028 is located in Kingsley, Iowa, within Plymouth County. It covers approximately 124.40 square miles and serves a population of 2,027 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 712.

About ZIP code 51028

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 $186,000. Owner-occupancy is high at 78%, well above the national average.

The gap between median ($69,734) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 6% is below the national average. 33% 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 26 minutes is near the national average.

Educational attainment is near the national average, with 33% of residents holding a bachelor's degree or higher.

Overall, ZIP code 51028 reflects a community defined by high homeownership and a significant Social Security-dependent population.

2,027

population

124.40

sq mi land

Standard

ZIP type

Central (CT)

timezone

51028 ZIP code map

Cities in ZIP code 51028

Below are the cities the US Postal Service accepts for ZIP code 51028. Using any city not on this list may result in mail delivery delays.

City	Status
Kingsley	Preferred

Nearby ZIP codes

51048 Pierson (5.9 mi) 51039 Moville (10.3 mi) 51030 Lawton (10.9 mi) 51016 Correctionville (12.3 mi) 51024 Hinton (14 mi) 51061 Washta (14.1 mi) 51050 Remsen (14.2 mi) 51004 Anthon (15.7 mi) 51007 Bronson (15.9 mi) 51038 Merrill (16.1 mi) 51035 Marcus (16.3 mi) 51031 Le Mars (17.1 mi)

Demographics updated 05/2026

Population
Total population	2,027
Population density	16 / sq mi
State FIPS	19
County FIPS	149

Geography
Land area	124.40 sq mi
Water area	0.02 sq mi
Latitude	42.5910
Longitude	-95.9973
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	40.8%	34.9%	40.1%
$50k – $100k	26.6%	35.2%	33.4%
$100k – $200k	27.2%	25.5%	21.5%
Over $200k	5.4%	4.3%	5.0%

Demographics & statistics

2,027

Population

People per sq mi

41.8

Median age

$69,734

Median household income

$45,667

Per capita income

$186,000

Median home value

$690

Median monthly rent

77.9%

Home ownership

5.8%

Poverty rate

0.0%

Unemployment

770

Housing units

33.4%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

112

25–34

129

35–44

107

163

45–54

135

55–59

60–64

130

65–74

107

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	467	23.0%
18 and over	1,560	77.0%
65 and over	444	21.9%
Median age	41.8 years

Race & ethnicity

White 95.3%

Black or African American 1.8%

Hispanic or Latino 0.9%

Other race 0.9%

Asian 0.8%

Two or more races 0.3%

Group	Count	%
White	1,949	95.3%
Black or African American	36	1.8%
Hispanic or Latino	19	0.9%
Other race	19	0.9%
Asian	17	0.8%
Two or more races	6	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	40.8%	34.9%	40.1%
$50k – $100k	26.6%	35.2%	33.4%
$100k – $200k	27.2%	25.5%	21.5%
Over $200k	5.4%	4.3%	5.0%

Under $10k 2.4%

$10k–$15k 2.6%

$15k–$25k 5.0%

$25k–$35k 10.2%

$35k–$50k 14.8%

$50k–$75k 18.2%

$75k–$100k 11.6%

$100k–$150k 15.9%

$150k–$200k 9.0%

$200k+ 10.4%

Range	% of households
Under $10k	2.4%
$10k–$15k	2.6%
$15k–$25k	5.0%
$25k–$35k	10.2%
$35k–$50k	14.8%
$50k–$75k	18.2%
$75k–$100k	11.6%
$100k–$150k	15.9%
$150k–$200k	9.0%
$200k+	10.4%
Median income	$69,734

Housing

Home values

Under $50k 2.6%

$50k–$100k 19.1%

$100k–$150k 21.4%

$150k–$200k 9.7%

$200k–$300k 22.1%

$300k–$500k 20.2%

$500k–$1M 3.9%

$1M+ 1.0%

Housing overview

Metric	Value
Median home value	$186,000
Median rent / month	$690
Owner occupied	77.9%
Renter occupied	22.1%
Vacant	8.1%
Single-family detached	89.6%
Large apartment buildings	1.9%
Mobile homes	0.7%
Median rooms	7.1
Avg household size (owned)	2.29

Year built

Era	%
2020 or later	0.0%
2010–2019	5.3%
2000–2009	9.9%
1990–1999	8.4%
1980–1989	4.1%
1970–1979	11.3%
1960–1969	5.7%
1950–1959	8.4%
1940–1949	4.8%
1939 or earlier	42.1%

Bedrooms

Size	% of units
No bedroom (studio)	1.3%
1 bedroom	4.5%
2 bedrooms	22.9%
3 bedrooms	32.0%
4 bedrooms	20.3%
5+ bedrooms	19.0%

Vehicles per household

Vehicles	% of households
No vehicle	2.0%
1 vehicle	25.2%
2 vehicles	36.3%
3 or more	36.5%

Heating fuel

Fuel type	%
Utility gas	41.6%
Electricity	40.5%
Propane / LP gas	14.1%
Fuel oil	0.8%
Wood	0.6%
No fuel used	1.1%

Households & families

Household type	Count	%
Married-couple family	461	51.9%
Cohabiting couple	62	7.0%
Male householder, no spouse	163	18.4%
Female householder, no spouse	202	22.7%
Households with children under 18	214	24.1%
Households with seniors (65+)	301	33.9%
Average household size	2.24

Marital status

Status	Male	Female
Never married	28.4%	23.3%
Married	55.5%	55.1%
Separated	0.0%	0.0%
Widowed	3.0%	13.6%
Divorced	13.1%	8.0%

Education

Less than 9th grade 2.0%

Some HS, no diploma 2.4%

HS graduate 29.3%

Some college, no degree 17.8%

Associate's degree 15.1%

Bachelor's degree 27.1%

Graduate / professional 6.3%

Metric	%
HS diploma or higher	95.6%
Bachelor's or higher	33.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	41	8.5%
Kindergarten	25	5.2%
Elementary school	221	46.0%
High school	148	30.8%
College / grad school	45	9.4%

Employment

Industry of employment

Education & healthcare 28.3%

Agriculture & mining 12.0%

Transportation & utilities 9.5%

Manufacturing 9.4%

Construction 8.7%

Finance & real estate 8.5%

Retail trade 7.4%

Public administration 5.3%

Other services 3.3%

Wholesale trade 3.1%

Information 2.0%

Arts, food & hospitality 1.8%

Professional & management 0.8%

Occupation

Category	%
Management, business & arts	43.3%
Service	8.0%
Sales & office	20.5%
Natural resources & construction	12.1%
Production & transportation	16.2%

Employment type

Type	%
Private sector	72.6%
Government	13.3%
Self-employed	12.3%
Unpaid family workers	1.8%

Commute

Method	%
Drive alone	76.8%
Carpool	5.4%
Public transit	0.0%
Walk	3.5%
Work from home	13.1%
Other means	1.2%
Avg commute (minutes)	25.7

Poverty

All people 5.8%

Under 18 years 7.6%

18 and over 5.3%

Married-couple families 0.7%

Female-led households 25.0%

Income support

Source	% of households
Social Security	33.2%
Retirement income	21.6%
Supplemental Security	3.6%
Cash public assistance	0.6%
Food stamps / SNAP	7.7%

Health indicators

Condition	%
Obesity	33.0%
High blood pressure	35.9%
High cholesterol	34.2%
Diabetes	10.4%
Heart disease	7.7%
Stroke	3.4%
Asthma	9.0%
Arthritis	26.2%
Kidney disease	3.2%
Pulmonary disease	7.0%
Cancer	8.5%

Behavior / access	%
Smoking	15.7%
Binge drinking	19.3%
No physical activity	23.8%
Less than 7 hrs sleep	27.5%
Depression	16.6%
Fair or poor health	12.6%
Poor mental health	12.2%
Poor physical health	9.6%
No health insurance	8.7%
Visited doctor (checkup)	76.6%
Visited dentist	70.3%
Cholesterol screening	90.0%
Teeth loss	12.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	141	9.1%

Disability	%
Any disability	13.6%
Under 18	15.2%
18–64 years	8.6%
65 and over	25.6%

Health insurance coverage

Type	%
Private insurance	80.1%
Public insurance	33.9%
No insurance	3.4%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,946	96.0%
Spanish	3	0.2%
Other Indo-European	3	0.2%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,011	99.2%
Born in same state	2,011	99.2%
Born in different state	1,608	79.3%
Foreign born	0	0.0%
Naturalized citizen	16	0.8%
Not a US citizen	3	18.8%

Ancestry

Ancestry	Count	%
Italian	212	10.5%
French	205	10.1%
Arab	194	9.6%

Ancestry	Count	%
Polish	49	2.4%
English	43	2.1%
Dutch	5	0.2%

Technology access

Metric	% of households
Computer access	43.8%
Internet access	98.5%

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

Frequently asked questions about ZIP code 51028

What city is ZIP code 51028 in?

ZIP code 51028 is primarily assigned to Kingsley, Iowa.

What county is ZIP code 51028 in?

ZIP code 51028 falls within Plymouth County, Iowa.

Does ZIP code 51028 have a large veteran population?

9% of civilians in ZIP code 51028 are veterans, above the national average of ~7%.

What is the typical home value in ZIP code 51028?

The median home value in ZIP code 51028 is $186,000.

What is the population of ZIP code 51028?

ZIP code 51028 has an estimated population of 2,027 residents, with a density of 16 people per square mile.

What is the median household income in ZIP code 51028?

The median household income in ZIP code 51028 is $69,734, below the national median of ~$75,000.

What timezone is ZIP code 51028 in?

ZIP code 51028 observes the CST timezone.