PlainZIP

Logan, IA · standard

ZIP Code 51546

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

2,915
10/sq mi
$86,910
Median income
$207,900
Median home value
26.5%
Bachelor's or higher

The verdict

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

Top 30%
household income, US ZIPs
46th pct
home value, US ZIPs
10
people per sq mi
83%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 51546 against every reporting US ZIP.

ZIP code 51546 covers 294.4 square miles in Logan, Harrison County, Iowa (a standard USPS delivery area), with a modest 2,915 residents on file, a density of 10 people per square mile, in the Chicago time zone.

ZIP 51546 lands in the middle-income range, with a median household income of $86,910 (13% above the Iowa average), while per-capita income is $41,645. 2.9% of residents live below the poverty line, and the unemployment rate reads 1.1%. On housing, the median home value is $207,900 (18% above the state average) with median rent at $909 per month, and 82.9% of occupied units are owner-occupied.

Educational attainment sits below the national norm: 26.5% of adults hold a bachelor's degree or higher, the median age is 37.5, and the average commute is 30 minutes. We also surface 3 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Harrison County, so you can benchmark 51546 against its immediate geography rather than a national average alone.

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 51546

Top 5 sectors by establishment count in Logan, IA

Which industries have the most business establishments in ZIP 51546.

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 + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 51546, Logan, 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

2,915

Population

294.4

Area (sq mi)

10

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 51546?

37.5

Median Age

49.8%

Male

50.2%

Female

0.6%

Foreign-Born

White 97.7%
African American 0.1%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 1.3%
Hispanic or Latino 0.9%

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?

$86,910

Median Household Income

+13% vs state

$41,645

Per Capita Income

2.9%

Poverty Rate

1.1%

Unemployment Rate

30.1 min

Mean Commute Time

How ZIP 51546 ranks nationally

Logan, IA household income vs. every US ZIP code

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

$86,910 Top 30% higher than 70% 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%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $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 55.0%
Bachelor's Degree or Higher 26.5%

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

What does housing look like?

1,277

Total Housing Units

1,131

Occupied Units

146

Vacant Units

2.71

Avg Household Size

Occupancy Type

Owner 82.9%
Renter 17.1%

$207,900

Median Home Value

+18% vs state

$909

Median Rent

1944

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

+13.0%

YoY Change (2024)

216

HPI Index (2000 = 100)

+116%

Total Change Since 2000

Home values in ZIP 51546 have increased 13.0% over the past year (2024). Since 2000, this ZIP has seen +116% cumulative appreciation.

Year Annual Change HPI Index
2020 +1.1% 134
2021 +12.7% 151
2022 +6.8% 161
2023 +18.9% 191
2024 +13.0% 216

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 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 65 business establishments in ZIP 51546, employing approximately 546 people with a combined annual payroll of $29,474,000.

65

Businesses

546

Employees

$29.5M

Annual Payroll

9

Industry Sectors

Industry Establishments % of Total
Construction 9 13.8%
Wholesale trade 8 12.3%
Professional, scientific, and technical services 8 12.3%
Other services (except public administration) 8 12.3%
Transportation and warehousing 6 9.2%
Finance and insurance 5 7.7%
Health care and social assistance 5 7.7%
Retail trade 4 6.2%
Manufacturing 3 4.6%

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 51546 vs 51550 →

ZIP 51546 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 51546 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 51546 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 51546 ranks the highest 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
51550 Magnolia, IA 181 6.2 mi
51579 Woodbine, IA 2,340 8.1 mi
51555 Missouri Valley, IA 5,245 9.4 mi

More ZIP Codes in Harrison County

51555 standard
Missouri Valley, IA
Pop: 5,245
51579 standard
Woodbine, IA
Pop: 2,340
51529 standard
Dunlap, IA
Pop: 1,671
51570 standard
Shelby, IA
Pop: 1,039
51557 standard
Mondamin, IA
Pop: 873
51563 standard
Persia, IA
Pop: 779

Related Areas

Harrison County Logan, IA Iowa

Frequently Asked Questions

What county is ZIP code 51546 in? ▼
ZIP code 51546 (Logan) 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 51546? ▼
ZIP code 51546 in Logan, IA has a population of 2,915 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 51546? ▼
The median household income in ZIP 51546 is $86,910, which is 14% above the national average of $76,288.
What is the average home value in ZIP 51546? ▼
The median home value in ZIP 51546 is $207,900, which is 25% below the national average of $278,155.
What is the demographic makeup of ZIP 51546? ▼
The largest racial group in ZIP 51546 is White at 97.7%. Hispanic or Latino residents make up 0.9% of the population.
How many businesses are in ZIP code 51546? ▼
ZIP code 51546 has 65 business establishments employing approximately 546 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 51546? ▼
The top industries by establishment count in ZIP 51546 are: Construction (9), Wholesale trade (8), Professional, scientific, and technical services (8). There are 9 industry sectors represented in total.
How have home values changed in ZIP code 51546? ▼
According to the FHFA House Price Index, home values in ZIP 51546 increased by 13.0% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 116%. 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 51546? ▼
In ZIP code 51546, 55.0% of residents aged 25+ have a high school diploma or higher, and 26.5% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 51546? ▼
The mean commute time for workers in ZIP code 51546 is 30.1 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 51546? ▼
In ZIP code 51546, approximately 82.9% of occupied housing units are owner-occupied and 17.1% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 51546? ▼
The poverty rate in ZIP code 51546 is 2.9% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

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