51546 ZIP Code — Logan, IA

Harrison County, Iowa

ZIP code 51546 is located in Logan, Iowa, within Harrison County. It covers approximately 121.47 square miles and serves a population of 3,067 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 712.

About ZIP code 51546

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 $181,000. Owner-occupancy is high at 78%, well above the national average.

The gap between median ($79,475) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 6% is below the national average. 31% 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 30 minutes is near the national average.

Educational attainment is near the national average, with 23% of residents holding a bachelor's degree or higher.

Overall, ZIP code 51546 reflects a community defined by high homeownership and a significant Social Security-dependent population.

3,067

population

121.47

sq mi land

Standard

ZIP type

Central (CT)

timezone

51546 ZIP code map

Cities in ZIP code 51546

Below are the cities the US Postal Service accepts for ZIP code 51546. Using any city not on this list may result in mail delivery delays.

City	Status
Logan	Preferred

Nearby ZIP codes

51579 Woodbine (8.9 mi) 51563 Persia (10 mi) 51555 Missouri Valley (10.8 mi) 51565 Portsmouth (11.5 mi) 51564 Pisgah (13 mi) 51556 Modale (13.3 mi) 51559 Neola (13.7 mi) 51557 Mondamin (14.4 mi) 51562 Panama (14.9 mi) 51529 Dunlap (15.7 mi) 51570 Shelby (16.5 mi) 68023 Fort Calhoun (17.5 mi)

Demographics updated 05/2026

Population
Total population	3,067
Population density	25 / sq mi
State FIPS	19
County FIPS	085

Geography
Land area	121.47 sq mi
Water area	0.13 sq mi
Latitude	41.6414
Longitude	-95.7609
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	26.2%	37.9%	40.1%
$50k – $100k	38.1%	35.3%	33.4%
$100k – $200k	28.7%	23.0%	21.5%
Over $200k	6.9%	3.8%	5.0%

Demographics & statistics

3,067

Population

People per sq mi

38.6

Median age

$79,475

Median household income

$41,489

Per capita income

$181,000

Median home value

$859

Median monthly rent

78.3%

Home ownership

5.5%

Poverty rate

0.8%

Unemployment

1,030

Housing units

22.7%

Bachelor's or higher

Age distribution

Male Female

122

Under 5

123

109

5–9

110

121

10–14

122

15–19

20–24

152

25–34

154

211

35–44

214

197

45–54

199

116

55–59

117

60–64

202

65–74

205

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	849	27.7%
18 and over	2,218	72.3%
65 and over	565	18.4%
Median age	38.6 years

Race & ethnicity

White 96.9%

Two or more races 1.1%

Hispanic or Latino 1%

Other race 0.7%

Black or African American 0.2%

Group	Count	%
White	3,004	96.9%
Two or more races	34	1.1%
Hispanic or Latino	32	1%
Other race	23	0.7%
Black or African American	6	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	26.2%	37.9%	40.1%
$50k – $100k	38.1%	35.3%	33.4%
$100k – $200k	28.7%	23.0%	21.5%
Over $200k	6.9%	3.8%	5.0%

Under $10k 3.1%

$10k–$15k 1.0%

$15k–$25k 2.5%

$25k–$35k 8.1%

$35k–$50k 7.0%

$50k–$75k 18.0%

$75k–$100k 17.8%

$100k–$150k 29.4%

$150k–$200k 6.4%

$200k+ 6.6%

Range	% of households
Under $10k	3.1%
$10k–$15k	1.0%
$15k–$25k	2.5%
$25k–$35k	8.1%
$35k–$50k	7.0%
$50k–$75k	18.0%
$75k–$100k	17.8%
$100k–$150k	29.4%
$150k–$200k	6.4%
$200k+	6.6%
Median income	$79,475

Housing

Home values

Under $50k 0.4%

$50k–$100k 15.0%

$100k–$150k 21.2%

$150k–$200k 22.3%

$200k–$300k 17.9%

$300k–$500k 16.2%

$500k–$1M 6.9%

Housing overview

Metric	Value
Median home value	$181,000
Median rent / month	$859
Owner occupied	78.3%
Renter occupied	21.7%
Vacant	9.8%
Single-family detached	95.6%
Large apartment buildings	0.0%
Mobile homes	1.2%
Median rooms	6.6
Avg household size (owned)	2.61

Year built

Era	%
2020 or later	0.8%
2010–2019	2.3%
2000–2009	11.9%
1990–1999	12.1%
1980–1989	3.9%
1970–1979	9.8%
1960–1969	7.7%
1950–1959	3.2%
1940–1949	3.8%
1939 or earlier	44.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.6%
1 bedroom	4.6%
2 bedrooms	25.0%
3 bedrooms	39.7%
4 bedrooms	25.1%
5+ bedrooms	5.1%

Vehicles per household

Vehicles	% of households
No vehicle	3.0%
1 vehicle	17.9%
2 vehicles	32.4%
3 or more	46.7%

Heating fuel

Fuel type	%
Utility gas	35.2%
Electricity	36.4%
Propane / LP gas	22.9%
Fuel oil	1.3%
Wood	0.7%
Solar	1.0%
No fuel used	0.8%

Households & families

Household type	Count	%
Married-couple family	803	69.5%
Cohabiting couple	56	4.8%
Male householder, no spouse	134	11.6%
Female householder, no spouse	162	14.0%
Households with children under 18	445	38.5%
Households with seniors (65+)	342	29.6%
Average household size	2.62

Marital status

Status	Male	Female
Never married	21.0%	13.3%
Married	69.4%	70.2%
Separated	0.0%	0.0%
Widowed	2.1%	8.7%
Divorced	7.6%	7.9%

Education

Less than 9th grade 1.7%

Some HS, no diploma 4.9%

HS graduate 31.8%

Some college, no degree 27.5%

Associate's degree 11.5%

Bachelor's degree 16.8%

Graduate / professional 5.9%

Metric	%
HS diploma or higher	93.4%
Bachelor's or higher	22.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	51	7.0%
Kindergarten	116	15.9%
Elementary school	291	40.0%
High school	225	30.9%
College / grad school	45	6.2%

Employment

Industry of employment

Education & healthcare 32.8%

Construction 9.4%

Finance & real estate 8.3%

Wholesale trade 6.8%

Manufacturing 6.6%

Professional & management 5.9%

Arts, food & hospitality 5.8%

Retail trade 5.5%

Agriculture & mining 5.4%

Transportation & utilities 5.0%

Public administration 4.9%

Other services 3.3%

Information 0.1%

Occupation

Category	%
Management, business & arts	45.4%
Service	14.0%
Sales & office	16.1%
Natural resources & construction	13.3%
Production & transportation	11.2%

Employment type

Type	%
Private sector	73.0%
Government	19.6%
Self-employed	7.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	86.1%
Carpool	3.1%
Public transit	0.0%
Walk	2.5%
Work from home	6.7%
Other means	1.7%
Avg commute (minutes)	30.3

Poverty

All people 5.5%

Under 18 years 7.4%

18 and over 4.8%

Married-couple families 0.5%

Female-led households 6.7%

Income support

Source	% of households
Social Security	31.1%
Retirement income	22.2%
Supplemental Security	4.0%
Cash public assistance	2.3%
Food stamps / SNAP	4.8%

Health indicators

Condition	%
Obesity	40.1%
High blood pressure	33.5%
High cholesterol	33.5%
Diabetes	9.7%
Heart disease	6.5%
Stroke	3.0%
Asthma	9.1%
Arthritis	25.2%
Kidney disease	2.8%
Pulmonary disease	6.6%
Cancer	7.2%

Behavior / access	%
Smoking	17.5%
Binge drinking	21.9%
No physical activity	24.3%
Less than 7 hrs sleep	31.5%
Depression	18.0%
Fair or poor health	12.3%
Poor mental health	13.2%
Poor physical health	9.4%
No health insurance	8.9%
Visited doctor (checkup)	74.1%
Visited dentist	69.5%
Cholesterol screening	89.1%
Teeth loss	12.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	189	8.6%

Disability	%
Any disability	9.1%
Under 18	2.1%
18–64 years	7.5%
65 and over	24.8%

Health insurance coverage

Type	%
Private insurance	80.7%
Public insurance	29.3%
No insurance	5.3%
Uninsured under 19	4.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,822	92.0%
Spanish	8	0.3%
Other Indo-European	8	0.3%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,051	99.5%
Born in same state	3,022	98.5%
Born in different state	1,418	46.2%
Foreign born	29	0.9%
Naturalized citizen	16	0.5%
Not a US citizen	8	50.0%

Ancestry

Ancestry	Count	%
French	461	15%
Arab	316	10.3%
Italian	310	10.1%
Dutch	102	3.3%
Polish	61	2%

Ancestry	Count	%
English	45	1.5%
Irish	16	0.5%
Norwegian	9	0.3%
German	8	0.3%

Technology access

Metric	% of households
Computer access	37.7%
Internet access	95.2%

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

Frequently asked questions about ZIP code 51546

What city is ZIP code 51546 in?

ZIP code 51546 is primarily assigned to Logan, Iowa.

What county is ZIP code 51546 in?

ZIP code 51546 falls within Harrison County, Iowa.

What is the typical home value in ZIP code 51546?

The median home value in ZIP code 51546 is $181,000.

What is the population of ZIP code 51546?

ZIP code 51546 has an estimated population of 3,067 residents, with a density of 25 people per square mile.

What is the median household income in ZIP code 51546?

The median household income in ZIP code 51546 is $79,475, above the national median of ~$75,000.

What timezone is ZIP code 51546 in?

ZIP code 51546 observes the CST timezone.