51243 ZIP Code — Little Rock, IA

Lyon County, Iowa

ZIP code 51243 is located in Little Rock, Iowa, within Lyon County. It covers approximately 52.30 square miles and serves a population of 663 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 712.

About ZIP code 51243

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 $88,800. Owner-occupancy is high at 93%, well above the national average.

Median household income is $76,406. The poverty rate of 3% is below the national average.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 29 minutes is near the national average.

College attainment at 16% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 51243 reflects a community defined by a trades-oriented workforce and high homeownership.

663

population

52.30

sq mi land

Standard

ZIP type

Central (CT)

timezone

51243 ZIP code map

Cities in ZIP code 51243

Below are the cities the US Postal Service accepts for ZIP code 51243. Using any city not on this list may result in mail delivery delays.

City	Status
Little Rock	Preferred

Nearby ZIP codes

51237 George (6.6 mi) 56129 Ellsworth (7.8 mi) 51249 Sibley (9 mi) 51232 Ashton (11.2 mi) 51246 Rock Rapids (11.3 mi) 56110 Adrian (12.4 mi) 56168 Rushmore (14.1 mi) 56117 Bigelow (15 mi) 56158 Magnolia (16.7 mi) 51234 Boyden (17.5 mi) 51201 Sheldon (17.7 mi) 51235 Doon (18 mi)

Demographics updated 06/2026

Population
Total population	663
Population density	13 / sq mi
State FIPS	19
County FIPS	119

Geography
Land area	52.30 sq mi
Water area	0.01 sq mi
Latitude	43.4300
Longitude	-95.9294
Timezone	Central (CT)
Area code	712

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	31.2%	35.8%	40.1%
$50k – $100k	47.5%	40.3%	33.4%
$100k – $200k	19.0%	21.9%	21.5%
Over $200k	2.3%	2.0%	5.0%

Demographics & statistics

663

Population

People per sq mi

35.9

Median age

$76,406

Median household income

$32,473

Per capita income

$88,800

Median home value

$663

Median monthly rent

92.5%

Home ownership

2.7%

Poverty rate

0.5%

Unemployment

267

Housing units

15.6%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	171	25.8%
18 and over	492	74.2%
65 and over	137	20.7%
Median age	35.9 years

Race & ethnicity

White 86.5%

Two or more races 6.6%

Hispanic or Latino 3.1%

Other race 3.1%

Black or African American 0.4%

Asian 0.3%

Group	Count	%
White	592	86.5%
Two or more races	45	6.6%
Hispanic or Latino	21	3.1%
Other race	21	3.1%
Black or African American	3	0.4%
Asian	2	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	31.2%	35.8%	40.1%
$50k – $100k	47.5%	40.3%	33.4%
$100k – $200k	19.0%	21.9%	21.5%
Over $200k	2.3%	2.0%	5.0%

Under $10k 2.8%

$10k–$15k 2.8%

$15k–$25k 3.6%

$25k–$35k 4.3%

$35k–$50k 14.6%

$50k–$75k 20.2%

$75k–$100k 26.9%

$100k–$150k 12.6%

$150k–$200k 10.3%

$200k+ 2.0%

Range	% of households
Under $10k	2.8%
$10k–$15k	2.8%
$15k–$25k	3.6%
$25k–$35k	4.3%
$35k–$50k	14.6%
$50k–$75k	20.2%
$75k–$100k	26.9%
$100k–$150k	12.6%
$150k–$200k	10.3%
$200k+	2.0%
Median income	$76,406

Housing

Home values

Under $50k 20.5%

$50k–$100k 33.3%

$100k–$150k 12.8%

$150k–$200k 6.0%

$200k–$300k 9.4%

$300k–$500k 11.5%

$500k–$1M 6.4%

Housing overview

Metric	Value
Median home value	$88,800
Median rent / month	$663
Owner occupied	92.5%
Renter occupied	7.5%
Vacant	11.5%
Single-family detached	88.8%
Large apartment buildings	0.0%
Mobile homes	10.1%
Median rooms	6.5
Avg household size (owned)	2.62

Year built

Era	%
2020 or later	3.8%
2010–2019	1.4%
2000–2009	3.8%
1990–1999	2.8%
1980–1989	12.9%
1970–1979	21.7%
1960–1969	5.2%
1950–1959	5.6%
1940–1949	18.2%
1939 or earlier	24.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	1.4%
2 bedrooms	22.7%
3 bedrooms	38.5%
4 bedrooms	30.4%
5+ bedrooms	7.0%

Vehicles per household

Vehicles	% of households
No vehicle	7.5%
1 vehicle	15.4%
2 vehicles	30.0%
3 or more	47.0%

Heating fuel

Fuel type	%
Utility gas	57.7%
Electricity	8.7%
Propane / LP gas	26.9%
Fuel oil	6.7%

Households & families

Household type	Count	%
Married-couple family	135	53.4%
Cohabiting couple	19	7.5%
Male householder, no spouse	59	23.3%
Female householder, no spouse	40	15.8%
Households with children under 18	69	27.3%
Households with seniors (65+)	89	35.2%
Average household size	2.62

Marital status

Status	Male	Female
Never married	35.2%	21.7%
Married	50.5%	56.2%
Separated	0.0%	0.4%
Widowed	3.4%	8.5%
Divorced	10.9%	13.2%

Education

Less than 9th grade 1.7%

Some HS, no diploma 4.6%

HS graduate 40.0%

Some college, no degree 22.9%

Associate's degree 15.1%

Bachelor's degree 12.7%

Graduate / professional 2.9%

Metric	%
HS diploma or higher	93.7%
Bachelor's or higher	15.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	7	4.4%
Kindergarten	2	1.3%
Elementary school	63	39.6%
High school	50	31.4%
College / grad school	37	23.3%

Employment

Industry of employment

Education & healthcare 29.0%

Manufacturing 27.2%

Agriculture & mining 11.7%

Construction 9.4%

Transportation & utilities 5.1%

Wholesale trade 3.1%

Retail trade 2.8%

Finance & real estate 2.8%

Professional & management 2.5%

Other services 2.0%

Arts, food & hospitality 1.8%

Public administration 1.5%

Information 1.0%

Occupation

Category	%
Management, business & arts	33.8%
Service	13.5%
Sales & office	10.2%
Natural resources & construction	10.9%
Production & transportation	31.6%

Employment type

Type	%
Private sector	74.6%
Government	14.2%
Self-employed	10.7%
Unpaid family workers	0.5%

Commute

Method	%
Drive alone	76.7%
Carpool	11.4%
Public transit	0.0%
Walk	0.0%
Work from home	9.4%
Other means	2.5%
Avg commute (minutes)	29.3

Poverty

All people 2.7%

Under 18 years 0.0%

18 and over 3.7%

Married-couple families 1.5%

Female-led households 15.4%

Income support

Source	% of households
Social Security	25.7%
Retirement income	14.6%
Supplemental Security	1.2%
Cash public assistance	0.4%
Food stamps / SNAP	4.7%

Health indicators

Condition	%
Obesity	34.9%
High blood pressure	33.4%
High cholesterol	32.0%
Diabetes	10.1%
Heart disease	6.9%
Stroke	3.2%
Asthma	9.3%
Arthritis	25.3%
Kidney disease	3.0%
Pulmonary disease	7.2%
Cancer	7.6%

Behavior / access	%
Smoking	18.2%
Binge drinking	20.2%
No physical activity	24.5%
Less than 7 hrs sleep	30.4%
Depression	17.9%
Fair or poor health	13.0%
Poor mental health	13.5%
Poor physical health	9.9%
No health insurance	9.7%
Visited doctor (checkup)	76.6%
Visited dentist	65.3%
Cholesterol screening	88.3%
Teeth loss	13.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	29	6.0%

Disability	%
Any disability	12.7%
Under 18	1.8%
18–64 years	14.5%
65 and over	21.9%

Health insurance coverage

Type	%
Private insurance	72.2%
Public insurance	33.9%
No insurance	5.7%
Uninsured under 19	7.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	601	90.6%
Spanish	15	2.5%
Other Indo-European	15	2.5%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	636	95.9%
Born in same state	636	95.9%
Born in different state	401	60.5%
Foreign born	0	0.0%
Naturalized citizen	27	4.1%
Not a US citizen	2	7.4%

Ancestry

Ancestry	Count	%
English	107	16.1%
Arab	41	6.2%
Italian	8	1.2%
French	8	1.2%

Ancestry	Count	%
Polish	7	1.1%
Dutch	7	1.1%
Norwegian	1	0.2%

Technology access

Metric	% of households
Computer access	38.2%
Internet access	85.8%

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

Frequently asked questions about ZIP code 51243

What city is ZIP code 51243 in?

ZIP code 51243 is primarily assigned to Little Rock, Iowa.

What county is ZIP code 51243 in?

ZIP code 51243 falls within Lyon County, Iowa.

Is ZIP code 51243 mostly owner-occupied?

93% of occupied units in ZIP code 51243 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 51243?

The median home value in ZIP code 51243 is $88,800.

What is the population of ZIP code 51243?

ZIP code 51243 has an estimated population of 663 residents, with a density of 13 people per square mile.

What is the median household income in ZIP code 51243?

The median household income in ZIP code 51243 is $76,406, above the national median of ~$75,000.

What timezone is ZIP code 51243 in?

ZIP code 51243 observes the CST timezone.