51529 ZIP Code — Dunlap, IA

Harrison County, Iowa

ZIP code 51529 is located in Dunlap, Iowa, within Harrison County. It covers approximately 132.34 square miles and serves a population of 1,992 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 712.

About ZIP code 51529

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 $132,900. Owner-occupancy sits near the national average at 72%.

Median household income is $61,250. The poverty rate of 5% is below the national average. 35% 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 23 minutes is near the national average.

College attainment at 18% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 51529 reflects a community defined by a trades-oriented workforce and a significant Social Security-dependent population.

1,992

population

132.34

sq mi land

Standard

ZIP type

Central (CT)

timezone

51529 ZIP code map

Cities in ZIP code 51529

Below are the cities the US Postal Service accepts for ZIP code 51529. Using any city not on this list may result in mail delivery delays.

City	Status
Dunlap	Preferred

Nearby ZIP codes

51579 Woodbine (6.8 mi) 51528 Dow City (9.8 mi) 51558 Moorhead (10.5 mi) 51572 Soldier (11.1 mi) 51562 Panama (11.9 mi) 51530 Earling (12.2 mi) 51060 Ute (13.3 mi) 51564 Pisgah (13.3 mi) 51546 Logan (15.7 mi) 51565 Portsmouth (15.8 mi) 51527 Defiance (16.4 mi) 51439 Charter Oak (16.6 mi)

Demographics updated 05/2026

Population
Total population	1,992
Population density	15 / sq mi
State FIPS	19
County FIPS	085

Geography
Land area	132.34 sq mi
Water area	0.33 sq mi
Latitude	41.8562
Longitude	-95.6610
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	50.2%	37.9%	40.1%
$50k – $100k	31.2%	35.3%	33.4%
$100k – $200k	17.3%	23.0%	21.5%
Over $200k	1.3%	3.8%	5.0%

Demographics & statistics

1,992

Population

People per sq mi

48.6

Median age

$61,250

Median household income

$34,298

Per capita income

$132,900

Median home value

$817

Median monthly rent

71.9%

Home ownership

4.6%

Poverty rate

4.1%

Unemployment

662

Housing units

18.0%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

105

25–34

35–44

118

45–54

100

114

55–59

60–64

65–74

75–84

108

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	381	19.1%
18 and over	1,611	80.9%
65 and over	494	24.8%
Median age	48.6 years

Race & ethnicity

White 97.7%

Black or African American 1.2%

Two or more races 0.9%

Asian 0.3%

Group	Count	%
White	1,946	97.7%
Black or African American	24	1.2%
Two or more races	17	0.9%
Asian	5	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	50.2%	37.9%	40.1%
$50k – $100k	31.2%	35.3%	33.4%
$100k – $200k	17.3%	23.0%	21.5%
Over $200k	1.3%	3.8%	5.0%

Under $10k 4.2%

$10k–$15k 1.0%

$15k–$25k 5.5%

$25k–$35k 9.7%

$35k–$50k 16.0%

$50k–$75k 25.3%

$75k–$100k 7.4%

$100k–$150k 17.0%

$150k–$200k 9.6%

$200k+ 4.4%

Range	% of households
Under $10k	4.2%
$10k–$15k	1.0%
$15k–$25k	5.5%
$25k–$35k	9.7%
$35k–$50k	16.0%
$50k–$75k	25.3%
$75k–$100k	7.4%
$100k–$150k	17.0%
$150k–$200k	9.6%
$200k+	4.4%
Median income	$61,250

Housing

Home values

Under $50k 8.4%

$50k–$100k 30.0%

$100k–$150k 16.9%

$150k–$200k 7.8%

$200k–$300k 21.1%

$300k–$500k 13.3%

$500k–$1M 2.5%

Housing overview

Metric	Value
Median home value	$132,900
Median rent / month	$817
Owner occupied	71.9%
Renter occupied	28.1%
Vacant	7.7%
Single-family detached	88.7%
Large apartment buildings	0.0%
Mobile homes	0.3%
Median rooms	6.5
Avg household size (owned)	2.63

Year built

Era	%
2020 or later	0.0%
2010–2019	4.4%
2000–2009	6.5%
1990–1999	6.5%
1980–1989	8.9%
1970–1979	9.3%
1960–1969	4.6%
1950–1959	7.7%
1940–1949	3.4%
1939 or earlier	48.8%

Bedrooms

Size	% of units
No bedroom (studio)	5.6%
1 bedroom	3.7%
2 bedrooms	21.6%
3 bedrooms	39.0%
4 bedrooms	21.5%
5+ bedrooms	8.6%

Vehicles per household

Vehicles	% of households
No vehicle	7.2%
1 vehicle	18.4%
2 vehicles	33.6%
3 or more	40.8%

Heating fuel

Fuel type	%
Utility gas	45.1%
Electricity	42.2%
Propane / LP gas	6.3%
Fuel oil	0.6%
Wood	3.8%
No fuel used	0.8%

Households & families

Household type	Count	%
Married-couple family	493	59.8%
Cohabiting couple	55	6.7%
Male householder, no spouse	172	20.8%
Female householder, no spouse	105	12.7%
Households with children under 18	199	24.1%
Households with seniors (65+)	304	36.8%
Average household size	2.36

Marital status

Status	Male	Female
Never married	28.1%	16.2%
Married	59.5%	63.6%
Separated	0.4%	0.0%
Widowed	1.8%	13.6%
Divorced	10.2%	6.6%

Education

Less than 9th grade 2.8%

Some HS, no diploma 6.2%

HS graduate 41.9%

Some college, no degree 24.4%

Associate's degree 6.6%

Bachelor's degree 10.1%

Graduate / professional 7.9%

Metric	%
HS diploma or higher	91.0%
Bachelor's or higher	18.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	27	8.2%
Kindergarten	13	3.9%
Elementary school	140	42.3%
High school	104	31.4%
College / grad school	47	14.2%

Employment

Industry of employment

Education & healthcare 23.9%

Retail trade 13.1%

Construction 11.8%

Manufacturing 11.8%

Other services 7.6%

Agriculture & mining 7.1%

Arts, food & hospitality 5.8%

Professional & management 4.7%

Wholesale trade 4.2%

Transportation & utilities 3.8%

Finance & real estate 3.0%

Public administration 3.0%

Information 0.3%

Occupation

Category	%
Management, business & arts	31.2%
Service	15.1%
Sales & office	19.2%
Natural resources & construction	21.0%
Production & transportation	13.5%

Employment type

Type	%
Private sector	64.6%
Government	22.0%
Self-employed	13.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	84.9%
Carpool	5.9%
Public transit	0.4%
Walk	2.8%
Work from home	5.7%
Other means	0.3%
Avg commute (minutes)	22.7

Poverty

All people 4.6%

Under 18 years 2.9%

18 and over 5.0%

Married-couple families 1.8%

Female-led households 0.0%

Income support

Source	% of households
Social Security	35.3%
Retirement income	21.8%
Supplemental Security	2.3%
Cash public assistance	1.6%
Food stamps / SNAP	7.3%

Health indicators

Condition	%
Obesity	39.6%
High blood pressure	38.3%
High cholesterol	37.7%
Diabetes	11.7%
Heart disease	8.6%
Stroke	3.9%
Asthma	9.0%
Arthritis	29.6%
Kidney disease	3.5%
Pulmonary disease	8.2%
Cancer	8.8%

Behavior / access	%
Smoking	17.7%
Binge drinking	19.2%
No physical activity	27.9%
Less than 7 hrs sleep	30.8%
Depression	17.2%
Fair or poor health	14.8%
Poor mental health	12.7%
Poor physical health	10.8%
No health insurance	9.6%
Visited doctor (checkup)	76.1%
Visited dentist	67.1%
Cholesterol screening	89.8%
Teeth loss	14.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	165	10.2%

Disability	%
Any disability	10.7%
Under 18	4.7%
18–64 years	7.3%
65 and over	24.5%

Health insurance coverage

Type	%
Private insurance	74.1%
Public insurance	39.4%
No insurance	1.5%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,876	94.2%
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)	1,987	99.7%
Born in same state	1,983	99.5%
Born in different state	1,262	63.4%
Foreign born	4	0.2%
Naturalized citizen	5	0.3%
Not a US citizen	5	100.0%

Ancestry

Ancestry	Count	%
Italian	390	19.6%
Arab	225	11.3%
French	148	7.4%

Ancestry	Count	%
Polish	92	4.6%
English	60	3%
Dutch	52	2.6%

Technology access

Metric	% of households
Computer access	41.4%
Internet access	88.7%

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

Frequently asked questions about ZIP code 51529

What city is ZIP code 51529 in?

ZIP code 51529 is primarily assigned to Dunlap, Iowa.

What county is ZIP code 51529 in?

ZIP code 51529 falls within Harrison County, Iowa.

What is the typical home value in ZIP code 51529?

The median home value in ZIP code 51529 is $132,900.

Does ZIP code 51529 have a large veteran population?

10% of civilians in ZIP code 51529 are veterans, above the national average of ~7%.

Does ZIP code 51529 have a large retiree population?

35% of households in ZIP code 51529 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 51529?

ZIP code 51529 has an estimated population of 1,992 residents, with a density of 15 people per square mile.

What timezone is ZIP code 51529 in?

ZIP code 51529 observes the CST timezone.