PlainZIP

Dunlap, IA · standard

ZIP Code 51529

Harrison County, Iowa — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

1,671
5/sq mi
$61,599
Median income
$156,800
Median home value
14.9%
Bachelor's or higher

The verdict

Dunlap pairs a below-median household income with below-median home values, in a rural, homeowner-dominated area.

32th pct
household income, US ZIPs
28th pct
home value, US ZIPs
5
people per sq mi
73%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 51529 against every reporting US ZIP.

ZIP code 51529 is classified by USPS as a standard delivery area and covers roughly 334.2 square miles in Dunlap, Harrison County, Iowa. The area is home to 1,671 residents, producing a population density of 5 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 51529 against Iowa and the nation.

On the economic side, the median household income for ZIP 51529 sits at $61,599 (20% below the Iowa average), while per-capita income is $42,850. The poverty rate stands at 5.5% and the unemployment rate at 3.6%. On housing, the median home value is $156,800 (11% below the state average) with median rent at $902 per month, and 73.1% of occupied units are owner-occupied, a direct signal of whether 51529 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 14.9% of adults hold a bachelor's degree or higher, the median age is 57.2, and the average commute is —. We also surface 3 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Harrison County, so you can benchmark 51529 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →

Top industries in ZIP 51529

Top 5 sectors by establishment count

Which industries have the most business establishments in ZIP 51529.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 51529, Dunlap, IA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.

Quick Facts

1,671

Population

334.2

Area (sq mi)

5

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 51529?

57.2

Median Age

55.5%

Male

44.5%

Female

0.0%

Foreign-Born

White 97.7%
African American 0.9%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 1.4%
Hispanic or Latino 1.1%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$61,599

Median Household Income

-20% vs state

$42,850

Per Capita Income

5.5%

Poverty Rate

3.6%

Unemployment Rate

How ZIP 51529 ranks nationally

Household income vs. every US ZIP code

Median household income — the full national distribution, with this ZIP marked

$61,599 32nd percentile higher than 32% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau — ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 62.7%
Bachelor's Degree or Higher 14.9%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

881

Total Housing Units

825

Occupied Units

56

Vacant Units

2.04

Avg Household Size

Occupancy Type

Owner 73.1%
Renter 26.9%

$156,800

Median Home Value

-11% vs state

$902

Median Rent

1956

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+9.8%

YoY Change (2022)

197

HPI Index (2000 = 100)

+97%

Total Change Since 2000

Home values in ZIP 51529 have increased 9.8% over the past year (2022). Since 2000, this ZIP has seen +97% cumulative appreciation.

Year Annual Change HPI Index
2017 -9.2% 140
2019 — 165
2020 -0.1% 165
2021 +8.8% 179
2022 +9.8% 197

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2022. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 57 business establishments in ZIP 51529, employing approximately 457 people with a combined annual payroll of $24,704,000.

57

Businesses

457

Employees

$24.7M

Annual Payroll

8

Industry Sectors

Industry Establishments % of Total
Retail trade 9 15.8%
Transportation and warehousing 9 15.8%
Wholesale trade 8 14.0%
Construction 5 8.8%
Manufacturing 5 8.8%
Finance and insurance 5 8.8%
Other services (except public administration) 5 8.8%
Professional, scientific, and technical services 3 5.3%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 51529 vs 51528 →

ZIP 51529 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 51529 ranks #2 by population — useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 51529 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 51529 ranks #4 of 4 neighboring ZIPs — local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
51528 Dow City, IA 931 7.9 mi
51579 Woodbine, IA 2,340 8.8 mi
51562 Panama, IA 449 11.3 mi

More ZIP Codes in Harrison County

51555 standard
Missouri Valley, IA
Pop: 5,245
51546 standard
Logan, IA
Pop: 2,915
51579 standard
Woodbine, IA
Pop: 2,340
51570 standard
Shelby, IA
Pop: 1,039
51557 standard
Mondamin, IA
Pop: 873
51563 standard
Persia, IA
Pop: 779

Related Areas

Harrison County Dunlap, IA Iowa

Frequently Asked Questions

What county is ZIP code 51529 in? ▼
ZIP code 51529 (Dunlap) is located in Harrison County, Iowa. Harrison County contains multiple ZIP codes, see the full list at /counties/harrison-ia.
What is the population of ZIP code 51529? ▼
ZIP code 51529 in Dunlap, IA has a population of 1,671 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 51529? ▼
The median household income in ZIP 51529 is $61,599, which is 19% below the national average of $76,288.
What is the average home value in ZIP 51529? ▼
The median home value in ZIP 51529 is $156,800, which is 44% below the national average of $278,155.
What is the demographic makeup of ZIP 51529? ▼
The largest racial group in ZIP 51529 is White at 97.7%. Hispanic or Latino residents make up 1.1% of the population.
How many businesses are in ZIP code 51529? ▼
ZIP code 51529 has 57 business establishments employing approximately 457 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 51529? ▼
The top industries by establishment count in ZIP 51529 are: Retail trade (9), Transportation and warehousing (9), Wholesale trade (8). There are 8 industry sectors represented in total.
How have home values changed in ZIP code 51529? ▼
According to the FHFA House Price Index, home values in ZIP 51529 increased by 9.8% in 2022. Since 2000, home values in this ZIP have appreciated by approximately 97%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 51529? ▼
In ZIP code 51529, 62.7% of residents aged 25+ have a high school diploma or higher, and 14.9% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 51529? ▼
In ZIP code 51529, approximately 73.1% of occupied housing units are owner-occupied and 26.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 51529? ▼
The poverty rate in ZIP code 51529 is 5.5% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP Code Research Guides

Reading Census Demographics
How to interpret population, income, and education data from the Census Bureau.
Understanding ZIP Code Data
What ZIP codes are, how ZCTAs differ, and what the data reveals.
Best ZIP Codes for Families
Key factors to evaluate when choosing a family-friendly neighborhood.
ZIP Codes for Relocation
Data-driven tips for evaluating ZIP codes before a move.

Official Data Resources for Dunlap, IA

Verify and explore additional data for this area using these official government sources.

U.S. Census Bureau
Official demographic, economic, and housing data from the American Community Survey.
HUD Fair Market Rents
Department of Housing and Urban Development rental cost estimates by metropolitan area.
FBI Uniform Crime Reports
Official crime statistics compiled from law enforcement agencies nationwide.
FHFA House Price Index
Federal Housing Finance Agency home value trends based on repeat sales and appraisals.

Read our methodology to see how this data is sourced, computed, and verified.