Modale, IA · standard
ZIP Code 51556
Harrison County, Iowa - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 437
- 4/sq mi Low-density area
- $60,556
- Median income Below-median income area
- $139,600
- Median home value Below-median home value
- 9.7%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
Modale pairs a below-median household income with among the most affordable home values nationally, in a rural, homeowner-dominated area.
- 30th pct
- household income, US ZIPs
- 22nd pct
- home value, US ZIPs
- 4
- people per sq mi
- 85%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 51556 against every reporting US ZIP.
ZIP code 51556 is a sparsely populated ZIP (a standard USPS delivery area) in Modale, Harrison County, Iowa, home to just 437 residents across 115.0 square miles, a density of 4 people per square mile, in the Chicago time zone.
ZIP 51556 reports a modest median household income of $60,556 (21% below the average Iowa ZIP), while per-capita income is $38,680. Economic pressure is pronounced: 20.3% of residents are below the poverty line and unemployment is 10.1%. Home values sit below the statewide ZIP benchmark: the median is $139,600 (20% below the average Iowa ZIP), and median rent is $1,125; owner occupancy is 84.9%.
Formal educational attainment runs low here: just 9.7% of adults hold a bachelor's degree or higher, the median age is 58.4, and the average commute is -. The page also surfaces 3 ZIP codes within roughly 10 miles and 6 more in Harrison County, so 51556 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 →
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 51556, Modale, 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
437
Population
115.0
Area (sq mi)
4
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 51556?
58.4
Median Age
51.1%
Male
48.9%
Female
0.8%
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?
$60,556
Median Household Income
-21% vs state ZIP avg
$38,680
Per Capita Income
20.3%
Poverty Rate
10.1%
Unemployment Rate
How ZIP 51556 ranks among Iowa ZIPs
Modale, 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)
$60,556 18th percentile higher than 18% 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
140housing units
140
Total Housing Units
126
Occupied Units
14
Vacant Units
2.11
Avg Household Size
Occupancy Type
$139,600
Median Home Value
-20% vs state ZIP avg
$1,125
Median Rent
1974
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 7 business establishments in ZIP 51556, employing approximately 31 people with a combined annual payroll of $2,704,000.
7
Businesses
31
Employees
$2.7M
Annual Payroll
0
Industry Sectors
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 51556 vs 51557 →
ZIP 51556 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 68008
Blair (68008)
12,285 residents
- 51555
Missouri Valley (51555)
5,245 residents
- 51557 873
Mondamin (51557)
873 residents
- 51556 437
Modale (51556)
437 residents
What this shows Among its immediate neighbors, ZIP 51556 ranks #4 by population - useful context the national average alone can't give.
ZIP 51556 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 68008
Blair (68008)
$89,583 median income
- 51555
Missouri Valley (51555)
$85,273 median income
- 51557
Mondamin (51557)
$76,250 median income
- 51556
Modale (51556)
$60,556 median income
What this shows By household income, ZIP 51556 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 51556, both outside IA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
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 51556 in?
ZIP code 51556 (Modale) 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 51556?
ZIP code 51556 in Modale, IA has a population of 437 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 51556?
The median household income in ZIP 51556 is $60,556, which is 21% below the national average of $76,288.
What is the average home value in ZIP 51556?
The median home value in ZIP 51556 is $139,600, which is 50% below the national average of $278,155.
What is the demographic makeup of ZIP 51556?
The largest racial group in ZIP 51556 is White at 98.1%.
How many businesses are in ZIP code 51556?
ZIP code 51556 has 7 business establishments employing approximately 31 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 51556?
In ZIP code 51556, 53.6% of residents aged 25+ have a high school diploma or higher, and 9.7% 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 51556?
In ZIP code 51556, approximately 84.9% of occupied housing units are owner-occupied and 15.1% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 51556?
The poverty rate in ZIP code 51556 is 20.3% 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 51556's numbers, next.
- See how ZIP 51556 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Modale, IA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.