51649 ZIP Code — Randolph, IA

Fremont County, Iowa

ZIP code 51649 is located in Randolph, Iowa, within Fremont County. It covers approximately 42.10 square miles and serves a population of 417 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 712.

About ZIP code 51649

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 $163,500. Owner-occupancy is high at 87%, well above the national average.

The gap between median ($86,635) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 2% is below the national average. SNAP benefit usage at 21% of households reflects economic stress in the area. 53% 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 25 minutes is near the national average.

Educational attainment is near the national average, with 34% of residents holding a bachelor's degree or higher.

Overall, ZIP code 51649 reflects a community defined by high homeownership, a significant Social Security-dependent population, and elevated reliance on food assistance.

417
population
42.10
sq mi land
Standard
ZIP type
Central (CT)
timezone
51649 ZIP code map
Cities in ZIP code 51649

Below are the cities the US Postal Service accepts for ZIP code 51649. Using any city not on this list may result in mail delivery delays.

City Status
Randolph Preferred
Nearby ZIP codes
51652 Sidney (6.6 mi) 51653 Tabor (7.2 mi) 51639 Farragut (9.5 mi) 51603 Shenandoah (10.2 mi) 51551 Malvern (11.7 mi) 51650 Riverton (12 mi) 51540 Hastings (12 mi) 51654 Thurman (12.6 mi) 51601 Shenandoah (13.6 mi) 51638 Essex (14.2 mi) 51640 Hamburg (14.7 mi) 51534 Glenwood (16 mi)
Demographics updated 05/2026
Population
Total population 417
Population density 10 / sq mi
State FIPS 19
County FIPS 071
Geography
Land area 42.10 sq mi
Water area 0.25 sq mi
Latitude 40.8443
Longitude -95.5374
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 21.6% 42.6% 40.1%
$50k – $100k 56.0% 35.7% 33.4%
$100k – $200k 22.4% 18.6% 21.5%
Over $200k 0.0% 3.1% 5.0%

Demographics & statistics

417
Population
10
People per sq mi
48.5
Median age
$86,635
Median household income
$38,339
Per capita income
$163,500
Median home value
$1,028
Median monthly rent
87.0%
Home ownership
2.4%
Poverty rate
2.8%
Unemployment
120
Housing units
33.8%
Bachelor's or higher

Age distribution

Male Female
17
Under 5
18
12
5–9
12
23
10–14
25
7
15–19
8
7
20–24
7
21
25–34
23
4
35–44
4
33
45–54
35
19
55–59
21
15
60–64
17
31
65–74
33
11
75–84
11
1
85+
2
← Male
Female →

Age summary

GroupCount%
Under 1812028.8%
18 and over29771.2%
65 and over8921.3%
Median age48.5 years

Race & ethnicity

White 89.2%
Black or African American 6.6%
Hispanic or Latino 2.1%
Two or more races 1.6%
Other race 0.5%
GroupCount%
White38089.2%
Black or African American286.6%
Hispanic or Latino92.1%
Two or more races71.6%
Other race20.5%

Household income

Income range This ZIP County avg State avg
Under $50k 21.6% 42.6% 40.1%
$50k – $100k 56.0% 35.7% 33.4%
$100k – $200k 22.4% 18.6% 21.5%
Over $200k 0.0% 3.1% 5.0%
Under $10k 2.3%
$10k–$15k 2.3%
$15k–$25k 5.3%
$25k–$35k 12.2%
$35k–$50k 8.4%
$50k–$75k 13.0%
$75k–$100k 17.6%
$100k–$150k 21.4%
$200k+ 17.6%
Range% of households
Under $10k2.3%
$10k–$15k2.3%
$15k–$25k5.3%
$25k–$35k12.2%
$35k–$50k8.4%
$50k–$75k13.0%
$75k–$100k17.6%
$100k–$150k21.4%
$200k+17.6%
Median income$86,635

Housing

Home values

Under $50k 7.0%
$50k–$100k 26.3%
$100k–$150k 10.5%
$150k–$200k 13.2%
$200k–$300k 22.8%
$300k–$500k 15.8%
$500k–$1M 4.4%

Housing overview

MetricValue
Median home value$163,500
Median rent / month$1,028
Owner occupied87.0%
Renter occupied13.0%
Vacant4.4%
Single-family detached95.6%
Large apartment buildings0.0%
Mobile homes1.5%
Median rooms7.3
Avg household size (owned)2.89

Year built

Era%
2020 or later0.0%
2010–20190.7%
2000–20090.7%
1990–19995.8%
1980–19890.0%
1970–197916.1%
1960–196915.3%
1950–19592.9%
1940–19491.5%
1939 or earlier56.9%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom2.2%
2 bedrooms16.1%
3 bedrooms59.1%
4 bedrooms19.0%
5+ bedrooms3.6%

Vehicles per household

Vehicles% of households
No vehicle0.0%
1 vehicle9.9%
2 vehicles26.7%
3 or more63.4%

Heating fuel

Fuel type%
Utility gas2.3%
Electricity26.7%
Propane / LP gas63.4%
Fuel oil5.3%
Wood1.5%

Households & families

Household typeCount%
Married-couple family10277.9%
Cohabiting couple32.3%
Male householder, no spouse107.6%
Female householder, no spouse1612.2%
Households with children under 184635.1%
Households with seniors (65+)4534.4%
Average household size3.18

Marital status

StatusMaleFemale
Never married21.3%10.0%
Married70.0%80.0%
Separated0.0%0.0%
Widowed3.3%6.9%
Divorced5.3%3.1%

Education

Less than 9th grade 0.4%
Some HS, no diploma 3.9%
HS graduate 25.6%
Some college, no degree 27.4%
Associate's degree 8.9%
Bachelor's degree 24.9%
Graduate / professional 8.9%
Metric%
HS diploma or higher95.7%
Bachelor's or higher33.8%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool00.0%
Kindergarten99.6%
Elementary school6367.0%
High school1313.8%
College / grad school99.6%

Employment

Industry of employment

Education & healthcare 19.4%
Finance & real estate 17.7%
Agriculture & mining 15.4%
Other services 13.1%
Public administration 8.0%
Retail trade 6.3%
Arts, food & hospitality 5.7%
Information 5.1%
Manufacturing 2.9%
Professional & management 2.9%
Construction 2.3%
Transportation & utilities 1.1%

Occupation

Category%
Management, business & arts37.1%
Service27.4%
Sales & office12.6%
Natural resources & construction7.4%
Production & transportation15.4%

Employment type

Type%
Private sector65.7%
Government26.9%
Self-employed7.4%
Unpaid family workers0.0%

Commute

Method%
Drive alone80.6%
Carpool5.7%
Public transit0.0%
Walk10.9%
Work from home1.7%
Other means1.1%
Avg commute (minutes)24.8

Poverty

All people 2.4%
Under 18 years 0.0%
18 and over 3.4%
Married-couple families 2.9%
Female-led households 0.0%

Income support

Source% of households
Social Security53.4%
Retirement income48.1%
Supplemental Security5.3%
Cash public assistance1.5%
Food stamps / SNAP20.6%

Health indicators

Condition%
Obesity38.5%
High blood pressure37.4%
High cholesterol37.8%
Diabetes11.6%
Heart disease7.9%
Stroke3.5%
Asthma9.4%
Arthritis29.5%
Kidney disease3.2%
Pulmonary disease7.8%
Cancer8.3%
Behavior / access%
Smoking17.2%
Binge drinking20.3%
No physical activity24.1%
Less than 7 hrs sleep31.1%
Depression17.7%
Fair or poor health13.5%
Poor mental health12.8%
Poor physical health10.5%
No health insurance8.1%
Visited doctor (checkup)77.7%
Visited dentist67.7%
Cholesterol screening90.8%
Teeth loss12.0%

Veterans & disability

VeteransCount%
Civilian veterans268.8%
Disability%
Any disability11.5%
Under 181.7%
18–64 years13.5%
65 and over20.2%

Health insurance coverage

Type%
Private insurance49.4%
Public insurance57.1%
No insurance1.7%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only38291.6%
Spanish153.9%
Other Indo-European10.3%
Asian & Pacific Islander143.7%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)40095.9%
Born in same state40095.9%
Born in different state27265.2%
Foreign born00.0%
Naturalized citizen174.1%
Not a US citizen1482.4%

Ancestry

AncestryCount%
French8319.9%
Italian4811.5%
AncestryCount%
Arab194.6%
English20.5%

Technology access

Metric% of households
Computer access31.4%
Internet access97.7%

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

Frequently asked questions about ZIP code 51649

What city is ZIP code 51649 in?

ZIP code 51649 is primarily assigned to Randolph, Iowa.

What county is ZIP code 51649 in?

ZIP code 51649 falls within Fremont County, Iowa.

Does ZIP code 51649 have a large retiree population?

53% of households in ZIP code 51649 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 51649 mostly owner-occupied?

87% of occupied units in ZIP code 51649 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 51649?

The median home value in ZIP code 51649 is $163,500.

What is the population of ZIP code 51649?

ZIP code 51649 has an estimated population of 417 residents, with a density of 10 people per square mile.

What timezone is ZIP code 51649 in?

ZIP code 51649 observes the CST timezone.

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