52257 ZIP Code — Luzerne, IA

Benton County, Iowa

ZIP code 52257 is located in Luzerne, Iowa, within Benton County. It covers approximately 16.64 square miles and serves a population of 241 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 319.

About ZIP code 52257

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Owner-occupancy is high at 83%, well above the national average.

Median household income is $118,750. 41% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. An above-average commute of 43 minutes suggests many residents work outside the immediate area.

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

22% of residents lack health insurance, above the national average.

Overall, ZIP code 52257 reflects a community defined by high homeownership and a significant Social Security-dependent population.

241

population

16.64

sq mi land

Standard

ZIP type

Central (CT)

timezone

52257 ZIP code map

Cities in ZIP code 52257

Below are the cities the US Postal Service accepts for ZIP code 52257. Using any city not on this list may result in mail delivery delays.

City	Status
Luzerne	Acceptable

Demographics updated 05/2026

Population
Total population	241
Population density	14 / sq mi
State FIPS	19
County FIPS	011

Geography
Land area	16.64 sq mi
Water area	0.01 sq mi
Latitude	41.9059
Longitude	-92.1815
Timezone	Central (CT)
Area code	319

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	29.8%	35.9%	40.1%
$50k – $100k	39.3%	35.6%	33.4%
$100k – $200k	31.0%	24.5%	21.5%
Over $200k	0.0%	4.0%	5.0%

Demographics & statistics

241

Population

People per sq mi

50.8

Median age

$118,750

Median household income

$50,507

Per capita income

Median home value

Median monthly rent

83.3%

Home ownership

11.2%

Poverty rate

1.4%

Unemployment

112

Housing units

26.4%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

25–34

35–44

45–54

55–59

60–64

65–74

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	48	19.9%
18 and over	193	80.1%
65 and over	61	25.3%
Median age	50.8 years

Race & ethnicity

White 100%

Group	Count	%
White	241	100%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	29.8%	35.9%	40.1%
$50k – $100k	39.3%	35.6%	33.4%
$100k – $200k	31.0%	24.5%	21.5%
Over $200k	0.0%	4.0%	5.0%

Under $10k 16.7%

$25k–$35k 1.0%

$35k–$50k 2.1%

$50k–$75k 8.3%

$75k–$100k 19.8%

$100k–$150k 18.8%

$150k–$200k 15.6%

$200k+ 17.7%

Range	% of households
Under $10k	16.7%
$25k–$35k	1.0%
$35k–$50k	2.1%
$50k–$75k	8.3%
$75k–$100k	19.8%
$100k–$150k	18.8%
$150k–$200k	15.6%
$200k+	17.7%
Median income	$118,750

Housing

Home values

Under $50k 10.0%

$50k–$100k 42.5%

$100k–$150k 3.8%

$150k–$200k 5.0%

$200k–$300k 38.8%

Housing overview

Metric	Value
Median home value	$0
Median rent / month	$0
Owner occupied	83.3%
Renter occupied	16.7%
Vacant	25.0%
Single-family detached	98.4%
Large apartment buildings	0.0%
Mobile homes	1.6%
Median rooms	5.8
Avg household size (owned)	2.40

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	0.0%
1990–1999	11.7%
1980–1989	6.3%
1970–1979	11.7%
1960–1969	0.8%
1950–1959	11.7%
1940–1949	0.0%
1939 or earlier	57.8%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	5.5%
2 bedrooms	18.8%
3 bedrooms	49.2%
4 bedrooms	23.4%
5+ bedrooms	3.1%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	5.2%
2 vehicles	39.6%
3 or more	55.2%

Heating fuel

Fuel type	%
Utility gas	15.6%
Electricity	15.6%
Propane / LP gas	58.3%
Fuel oil	10.4%

Households & families

Household type	Count	%
Married-couple family	67	69.8%
Cohabiting couple	2	2.1%
Male householder, no spouse	19	19.8%
Female householder, no spouse	8	8.3%
Households with children under 18	25	26.0%
Households with seniors (65+)	46	47.9%
Average household size	2.51

Marital status

Status	Male	Female
Never married	37.2%	6.5%
Married	54.5%	71.4%
Separated	0.0%	0.0%
Widowed	0.0%	1.3%
Divorced	8.3%	20.8%

Education

Less than 9th grade 0.0%

Some HS, no diploma 2.2%

HS graduate 36.3%

Some college, no degree 26.9%

Associate's degree 8.2%

Bachelor's degree 17.0%

Graduate / professional 9.3%

Metric	%
HS diploma or higher	97.8%
Bachelor's or higher	26.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	10	23.8%
High school	32	76.2%
College / grad school	0	0.0%

Employment

Industry of employment

Manufacturing 23.7%

Construction 19.4%

Education & healthcare 14.4%

Agriculture & mining 11.5%

Finance & real estate 11.5%

Professional & management 7.9%

Transportation & utilities 6.5%

Wholesale trade 1.4%

Information 1.4%

Arts, food & hospitality 1.4%

Retail trade 0.7%

Occupation

Category	%
Management, business & arts	34.5%
Service	1.4%
Sales & office	31.7%
Natural resources & construction	28.1%
Production & transportation	4.3%

Employment type

Type	%
Private sector	86.3%
Government	12.2%
Self-employed	1.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	74.8%
Carpool	12.2%
Public transit	0.0%
Walk	10.1%
Work from home	2.9%
Other means	0.0%
Avg commute (minutes)	42.9

Poverty

All people 11.2%

Under 18 years 12.5%

18 and over 10.9%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	40.6%
Retirement income	29.2%
Supplemental Security	6.3%
Cash public assistance	0.0%
Food stamps / SNAP	9.4%

Health indicators

Condition	%
Obesity	38.6%
High blood pressure	31.2%
High cholesterol	31.8%
Diabetes	9.3%
Heart disease	6.1%
Stroke	2.8%
Asthma	9.3%
Arthritis	24.1%
Kidney disease	2.6%
Pulmonary disease	6.4%
Cancer	6.7%

Behavior / access	%
Smoking	18.2%
Binge drinking	22.4%
No physical activity	23.3%
Less than 7 hrs sleep	32.1%
Depression	18.2%
Fair or poor health	12.0%
Poor mental health	13.7%
Poor physical health	9.3%
No health insurance	9.4%
Visited doctor (checkup)	73.0%
Visited dentist	67.6%
Cholesterol screening	88.1%
Teeth loss	12.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	14	7.3%

Disability	%
Any disability	8.3%
Under 18	10.4%
18–64 years	9.1%
65 and over	4.9%

Health insurance coverage

Type	%
Private insurance	63.5%
Public insurance	27.8%
No insurance	22.0%
Uninsured under 19	26.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	234	97.1%
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)	241	100.0%
Born in same state	241	100.0%
Born in different state	200	83.0%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	47	19.5%
French	37	15.4%

Ancestry	Count	%
Polish	15	6.2%
Dutch	1	0.4%

Technology access

Metric	% of households
Computer access	39.8%
Internet access	92.7%

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

Frequently asked questions about ZIP code 52257

What city is ZIP code 52257 in?

ZIP code 52257 is primarily assigned to Luzerne, Iowa.

What county is ZIP code 52257 in?

ZIP code 52257 falls within Benton County, Iowa.

Does ZIP code 52257 have an older population?

25% of residents in ZIP code 52257 are 65 or older, above the national average of ~17%.

Is ZIP code 52257 mostly owner-occupied?

83% of occupied units in ZIP code 52257 are owner-occupied, well above the national average.

Does ZIP code 52257 have a large retiree population?

41% of households in ZIP code 52257 receive Social Security income, suggesting a significant retiree or disability population.

What is the median household income in ZIP code 52257?

The median household income in ZIP code 52257 is $118,750, above the national median of ~$75,000.

What timezone is ZIP code 52257 in?

ZIP code 52257 observes the CST timezone.