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 Low-density area
- $61,599
- Median income Below-median income area
- $156,800
- Median home value Below-median home value
- 14.9%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
Dunlap pairs a below-median household income with below-median home values, in a rural, homeowner-dominated area.
- 32nd 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 covers 334.2 square miles in Dunlap, Harrison County, Iowa (a standard USPS delivery area), with a modest 1,671 residents on file, a density of 5 people per square mile, in the Chicago time zone.
ZIP 51529 reports a modest median household income of $61,599 (20% below the average Iowa ZIP), while per-capita income is $42,850. Both reported hardship measures are comparatively low in absolute terms: poverty is 5.5% and unemployment is 3.6%. Median home value is $156,800 (11% below the average Iowa ZIP) and median rent is $902; 73.1% of occupied homes are owner-occupied.
Formal educational attainment runs low here: just 14.9% of adults hold a bachelor's degree or higher, the median age is 57.2, and the average commute is -. The page also surfaces 3 ZIP codes within roughly 10 miles and 6 more in Harrison County, so 51529 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 51529
Top 5 sectors by establishment count in Dunlap, IA
Which industries have the most business establishments in ZIP 51529.
- Retail trade
Retail trade
9 establishments
- Transportation and warehousing
Transportation and warehousing
9 establishments
- Wholesale trade
Wholesale trade
8 establishments
- Construction
Construction
5 establishments
- Manufacturing
Manufacturing
5 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, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; 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
Who lives in ZIP 51529?
57.2
Median Age
55.5%
Male
44.5%
Female
0.0%
Foreign-Born
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 ZIP avg
$42,850
Per Capita Income
5.5%
Poverty Rate
3.6%
Unemployment Rate
How ZIP 51529 ranks among Iowa ZIPs
Dunlap, IA household income vs. every Iowa ZIP code
Median household income among 911 reporting Iowa ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$61,599 21st percentile higher than 21% of 911 Iowa ZIPs
Each bar is a $20K-wide band; taller bars hold more Iowa 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
881housing units
881
Total Housing Units
825
Occupied Units
56
Vacant Units
2.04
Avg Household Size
Occupancy Type
$156,800
Median Home Value
-11% vs state ZIP avg
$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.
- 51579
Woodbine (51579)
2,340 residents
- 51529
Dunlap (51529)
1,671 residents
- 51528 931
Dow City (51528)
931 residents
- 51562 449
Panama (51562)
449 residents
What this shows Among its immediate neighbors, ZIP 51529 ranks #2 by population - useful context the national average alone can't give.
ZIP 51529 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 51562
Panama (51562)
$81,250 median income
- 51579
Woodbine (51579)
$72,500 median income
- 51528
Dow City (51528)
$63,173 median income
- 51529
Dunlap (51529)
$61,599 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.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 51529, both outside IA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (1,671 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Harrison County
Related Areas
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.
Related
Take this with you
What to do with ZIP 51529's numbers, next.
- See how ZIP 51529 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Dunlap, IA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.