51543 ZIP Code — Kimballton, IA

Audubon County, Iowa

ZIP code 51543 is located in Kimballton, Iowa, within Audubon County. It covers approximately 21.97 square miles and serves a population of 390 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 712.

About ZIP code 51543

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 $101,800. Owner-occupancy is high at 80%, well above the national average.

Median household income is $50,000. Poverty affects 24% of residents, above the national average. SNAP benefit usage at 20% of households reflects economic stress in the area. 46% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is service, with education and healthcare as the leading industry. The average commute of 23 minutes is near the national average.

College attainment at 12% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 51543 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, high homeownership, a significant Social Security-dependent population, and elevated reliance on food assistance.

390

population

21.97

sq mi land

Standard

ZIP type

Central (CT)

timezone

51543 ZIP code map

Cities in ZIP code 51543

Below are the cities the US Postal Service accepts for ZIP code 51543. Using any city not on this list may result in mail delivery delays.

City	Status
Kimballton	Preferred

Nearby ZIP codes

51531 Elk Horn (5.9 mi) 50025 Audubon (9.6 mi) 50076 Exira (10.4 mi) 51537 Harlan (10.6 mi) 51446 Irwin (10.7 mi) 50042 Brayton (11 mi) 51552 Marne (12.6 mi) 51455 Manning (15.6 mi) 51577 Walnut (15.6 mi) 50022 Atlantic (18 mi) 51454 Manilla (18.2 mi) 51527 Defiance (18.9 mi)

Demographics updated 05/2026

Population
Total population	390
Population density	18 / sq mi
State FIPS	19
County FIPS	009

Geography
Land area	21.97 sq mi
Water area	0.00 sq mi
Latitude	41.6524
Longitude	-95.0644
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	55.2%	51.4%	40.1%
$50k – $100k	37.3%	34.8%	33.4%
$100k – $200k	6.6%	11.8%	21.5%
Over $200k	0.9%	2.1%	5.0%

Demographics & statistics

390

Population

People per sq mi

48.5

Median age

$50,000

Median household income

$27,424

Per capita income

$101,800

Median home value

$575

Median monthly rent

79.9%

Home ownership

23.5%

Poverty rate

2.7%

Unemployment

155

Housing units

11.5%

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	110	28.2%
18 and over	280	71.8%
65 and over	92	23.6%
Median age	48.5 years

Race & ethnicity

White 97.7%

Two or more races 2.3%

Group	Count	%
White	381	97.7%
Two or more races	9	2.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	55.2%	51.4%	40.1%
$50k – $100k	37.3%	34.8%	33.4%
$100k – $200k	6.6%	11.8%	21.5%
Over $200k	0.9%	2.1%	5.0%

Under $10k 8.5%

$10k–$15k 9.8%

$15k–$25k 6.7%

$25k–$35k 8.5%

$35k–$50k 16.5%

$50k–$75k 11.0%

$75k–$100k 12.8%

$100k–$150k 20.7%

$150k–$200k 5.5%

Range	% of households
Under $10k	8.5%
$10k–$15k	9.8%
$15k–$25k	6.7%
$25k–$35k	8.5%
$35k–$50k	16.5%
$50k–$75k	11.0%
$75k–$100k	12.8%
$100k–$150k	20.7%
$150k–$200k	5.5%
Median income	$50,000

Housing

Home values

Under $50k 12.2%

$50k–$100k 37.4%

$100k–$150k 11.5%

$150k–$200k 19.8%

$200k–$300k 6.9%

$300k–$500k 9.9%

$1M+ 2.3%

Housing overview

Metric	Value
Median home value	$101,800
Median rent / month	$575
Owner occupied	79.9%
Renter occupied	20.1%
Vacant	12.8%
Single-family detached	89.9%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	7.6
Avg household size (owned)	2.18

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	1.6%
1990–1999	0.0%
1980–1989	4.8%
1970–1979	3.2%
1960–1969	19.1%
1950–1959	4.8%
1940–1949	10.1%
1939 or earlier	56.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	6.4%
2 bedrooms	21.8%
3 bedrooms	33.5%
4 bedrooms	30.3%
5+ bedrooms	8.0%

Vehicles per household

Vehicles	% of households
No vehicle	6.1%
1 vehicle	28.0%
2 vehicles	40.2%
3 or more	25.6%

Heating fuel

Fuel type	%
Utility gas	42.1%
Electricity	32.9%
Propane / LP gas	9.8%
Wood	10.4%

Households & families

Household type	Count	%
Married-couple family	77	47.0%
Cohabiting couple	19	11.6%
Male householder, no spouse	32	19.5%
Female householder, no spouse	36	22.0%
Households with children under 18	37	22.6%
Households with seniors (65+)	64	39.0%
Average household size	2.38

Marital status

Status	Male	Female
Never married	26.6%	18.5%
Married	56.8%	49.4%
Separated	0.0%	0.0%
Widowed	2.2%	14.8%
Divorced	14.4%	17.3%

Education

Less than 9th grade 3.3%

Some HS, no diploma 10.8%

HS graduate 40.5%

Some college, no degree 19.0%

Associate's degree 14.9%

Bachelor's degree 10.0%

Graduate / professional 1.5%

Metric	%
HS diploma or higher	85.9%
Bachelor's or higher	11.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	12	13.3%
Kindergarten	0	0.0%
Elementary school	65	72.2%
High school	13	14.4%
College / grad school	0	0.0%

Employment

Industry of employment

Education & healthcare 36.3%

Professional & management 10.3%

Construction 9.6%

Retail trade 9.6%

Agriculture & mining 6.8%

Other services 6.2%

Manufacturing 4.8%

Finance & real estate 4.8%

Transportation & utilities 4.1%

Wholesale trade 2.7%

Arts, food & hospitality 2.7%

Public administration 1.4%

Information 0.7%

Occupation

Category	%
Management, business & arts	18.5%
Service	22.6%
Sales & office	20.5%
Natural resources & construction	18.5%
Production & transportation	19.9%

Employment type

Type	%
Private sector	75.3%
Government	11.6%
Self-employed	6.8%
Unpaid family workers	6.2%

Commute

Method	%
Drive alone	70.6%
Carpool	16.8%
Public transit	0.0%
Walk	4.2%
Work from home	7.0%
Other means	1.4%
Avg commute (minutes)	23.0

Poverty

All people 23.5%

Under 18 years 41.7%

18 and over 16.4%

Married-couple families 11.7%

Female-led households 25.0%

Income support

Source	% of households
Social Security	46.3%
Retirement income	34.8%
Supplemental Security	6.1%
Cash public assistance	3.0%
Food stamps / SNAP	19.5%

Health indicators

Condition	%
Obesity	34.8%
High blood pressure	35.5%
High cholesterol	35.2%
Diabetes	10.4%
Heart disease	7.2%
Stroke	3.2%
Asthma	8.9%
Arthritis	26.7%
Kidney disease	3.0%
Pulmonary disease	6.8%
Cancer	8.4%

Behavior / access	%
Smoking	15.7%
Binge drinking	20.1%
No physical activity	23.4%
Less than 7 hrs sleep	29.6%
Depression	16.6%
Fair or poor health	12.1%
Poor mental health	12.2%
Poor physical health	9.5%
No health insurance	8.1%
Visited doctor (checkup)	75.1%
Visited dentist	69.9%
Cholesterol screening	91.0%
Teeth loss	11.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	19	6.8%

Disability	%
Any disability	19.2%
Under 18	6.4%
18–64 years	20.7%
65 and over	31.5%

Health insurance coverage

Type	%
Private insurance	57.4%
Public insurance	58.5%
No insurance	2.1%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	375	96.2%
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)	389	99.7%
Born in same state	389	99.7%
Born in different state	258	66.2%
Foreign born	0	0.0%
Naturalized citizen	1	0.3%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Dutch	83	21.3%
French	25	6.4%
Italian	24	6.2%

Ancestry	Count	%
Polish	12	3.1%
Arab	7	1.8%

Technology access

Metric	% of households
Computer access	42.1%
Internet access	72.0%

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

Frequently asked questions about ZIP code 51543

What city is ZIP code 51543 in?

ZIP code 51543 is primarily assigned to Kimballton, Iowa.

What county is ZIP code 51543 in?

ZIP code 51543 falls within Audubon County, Iowa.

What is the poverty rate in ZIP code 51543?

24% of residents in ZIP code 51543 live below the poverty line, above the national average.

How educated is the population of ZIP code 51543?

12% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

Does ZIP code 51543 have a large retiree population?

46% of households in ZIP code 51543 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 51543?

The median home value in ZIP code 51543 is $101,800.

What timezone is ZIP code 51543 in?

ZIP code 51543 observes the CST timezone.