50621 ZIP Code — Conrad, IA

Grundy County, Iowa

ZIP code 50621 is located in Conrad, Iowa, within Grundy County. It covers approximately 62.89 square miles and serves a population of 1,641 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 641.

About ZIP code 50621

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 $165,500. Owner-occupancy is high at 76%, well above the national average.

Median household income is $74,018. The poverty rate of 6% is below the national average. 46% 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 21 minutes is near the national average.

Educational attainment is near the national average, with 31% of residents holding a bachelor's degree or higher.

Overall, ZIP code 50621 reflects a community defined by high homeownership and a significant Social Security-dependent population.

1,641

population

62.89

sq mi land

Standard

ZIP type

Central (CT)

timezone

50621 ZIP code map

Cities in ZIP code 50621

Below are the cities the US Postal Service accepts for ZIP code 50621. Using any city not on this list may result in mail delivery delays.

City	Status
Conrad	Preferred

Nearby ZIP codes

50609 Beaman (5.5 mi) 50148 Liscomb (5.7 mi) 50258 Union (8 mi) 50005 Albion (9.7 mi) 50638 Grundy Center (10.3 mi) 50627 Eldora (11 mi) 50635 Gladbrook (12.3 mi) 50158 Marshalltown (13 mi) 50206 New Providence (13.6 mi) 50051 Clemons (13.7 mi) 50642 Holland (14.4 mi) 50680 Wellsburg (14.5 mi)

Demographics updated 05/2026

Population
Total population	1,641
Population density	26 / sq mi
State FIPS	19
County FIPS	075

Geography
Land area	62.89 sq mi
Water area	0.00 sq mi
Latitude	42.2427
Longitude	-92.9235
Timezone	Central (CT)
Area code	641

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	38.4%	32.5%	40.1%
$50k – $100k	31.9%	38.6%	33.4%
$100k – $200k	26.0%	22.8%	21.5%
Over $200k	3.7%	6.2%	5.0%

Demographics & statistics

1,641

Population

People per sq mi

49.8

Median age

$74,018

Median household income

$40,107

Per capita income

$165,500

Median home value

$957

Median monthly rent

75.9%

Home ownership

5.9%

Poverty rate

1.0%

Unemployment

594

Housing units

31.0%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

105

25–34

116

35–44

45–54

55–59

60–64

65–74

104

75–84

108

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	328	20.0%
18 and over	1,313	80.0%
65 and over	496	30.2%
Median age	49.8 years

Race & ethnicity

White 87.8%

Two or more races 5.7%

Hispanic or Latino 3.4%

Black or African American 2.7%

American Indian / Alaska Native 0.5%

Group	Count	%
White	1,490	87.8%
Two or more races	96	5.7%
Hispanic or Latino	57	3.4%
Black or African American	46	2.7%
American Indian / Alaska Native	9	0.5%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	38.4%	32.5%	40.1%
$50k – $100k	31.9%	38.6%	33.4%
$100k – $200k	26.0%	22.8%	21.5%
Over $200k	3.7%	6.2%	5.0%

Under $10k 2.7%

$10k–$15k 0.5%

$15k–$25k 5.4%

$25k–$35k 5.7%

$35k–$50k 16.3%

$50k–$75k 20.1%

$75k–$100k 11.2%

$100k–$150k 21.6%

$150k–$200k 9.2%

$200k+ 7.1%

Range	% of households
Under $10k	2.7%
$10k–$15k	0.5%
$15k–$25k	5.4%
$25k–$35k	5.7%
$35k–$50k	16.3%
$50k–$75k	20.1%
$75k–$100k	11.2%
$100k–$150k	21.6%
$150k–$200k	9.2%
$200k+	7.1%
Median income	$74,018

Housing

Home values

Under $50k 3.8%

$50k–$100k 9.6%

$100k–$150k 32.1%

$150k–$200k 11.6%

$200k–$300k 26.1%

$300k–$500k 15.1%

$500k–$1M 0.8%

$1M+ 1.0%

Housing overview

Metric	Value
Median home value	$165,500
Median rent / month	$957
Owner occupied	75.9%
Renter occupied	24.1%
Vacant	12.2%
Single-family detached	76.0%
Large apartment buildings	3.1%
Mobile homes	7.7%
Median rooms	6.4
Avg household size (owned)	2.43

Year built

Era	%
2020 or later	0.0%
2010–2019	1.7%
2000–2009	7.3%
1990–1999	15.9%
1980–1989	8.0%
1970–1979	17.1%
1960–1969	7.7%
1950–1959	10.2%
1940–1949	2.4%
1939 or earlier	29.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	12.2%
2 bedrooms	25.0%
3 bedrooms	39.7%
4 bedrooms	19.8%
5+ bedrooms	3.3%

Vehicles per household

Vehicles	% of households
No vehicle	6.7%
1 vehicle	22.5%
2 vehicles	41.0%
3 or more	29.8%

Heating fuel

Fuel type	%
Utility gas	53.0%
Electricity	26.5%
Propane / LP gas	16.8%
Fuel oil	1.1%
Wood	2.7%

Households & families

Household type	Count	%
Married-couple family	404	61.1%
Cohabiting couple	40	6.1%
Male householder, no spouse	96	14.5%
Female householder, no spouse	121	18.3%
Households with children under 18	198	30.0%
Households with seniors (65+)	299	45.2%
Average household size	2.41

Marital status

Status	Male	Female
Never married	16.7%	9.7%
Married	70.4%	64.5%
Separated	0.7%	0.0%
Widowed	4.6%	16.0%
Divorced	7.6%	9.7%

Education

Less than 9th grade 0.8%

Some HS, no diploma 1.4%

HS graduate 28.4%

Some college, no degree 24.8%

Associate's degree 13.6%

Bachelor's degree 19.8%

Graduate / professional 11.2%

Metric	%
HS diploma or higher	97.8%
Bachelor's or higher	31.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	9	2.6%
Kindergarten	18	5.2%
Elementary school	174	50.6%
High school	54	15.7%
College / grad school	89	25.9%

Employment

Industry of employment

Education & healthcare 22.1%

Manufacturing 20.8%

Retail trade 11.5%

Agriculture & mining 10.0%

Construction 7.6%

Professional & management 6.8%

Finance & real estate 4.9%

Public administration 4.2%

Arts, food & hospitality 3.2%

Transportation & utilities 3.0%

Other services 3.0%

Information 1.8%

Wholesale trade 1.0%

Occupation

Category	%
Management, business & arts	45.1%
Service	12.0%
Sales & office	20.3%
Natural resources & construction	8.6%
Production & transportation	14.1%

Employment type

Type	%
Private sector	77.2%
Government	17.5%
Self-employed	5.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	81.5%
Carpool	6.1%
Public transit	0.1%
Walk	0.4%
Work from home	11.1%
Other means	0.7%
Avg commute (minutes)	20.6

Poverty

All people 5.9%

Under 18 years 8.8%

18 and over 5.2%

Married-couple families 3.7%

Female-led households 0.0%

Income support

Source	% of households
Social Security	46.4%
Retirement income	30.4%
Supplemental Security	1.2%
Cash public assistance	3.2%
Food stamps / SNAP	4.1%

Health indicators

Condition	%
Obesity	35.8%
High blood pressure	35.9%
High cholesterol	34.3%
Diabetes	9.9%
Heart disease	7.3%
Stroke	3.2%
Asthma	8.8%
Arthritis	26.7%
Kidney disease	3.1%
Pulmonary disease	6.7%
Cancer	8.5%

Behavior / access	%
Smoking	15.1%
Binge drinking	19.9%
No physical activity	22.9%
Less than 7 hrs sleep	29.1%
Depression	16.6%
Fair or poor health	12.0%
Poor mental health	12.3%
Poor physical health	9.3%
No health insurance	8.4%
Visited doctor (checkup)	77.1%
Visited dentist	67.1%
Cholesterol screening	90.6%
Teeth loss	11.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	96	7.3%

Disability	%
Any disability	14.8%
Under 18	6.4%
18–64 years	2.4%
65 and over	43.0%

Health insurance coverage

Type	%
Private insurance	78.1%
Public insurance	39.3%
No insurance	3.4%
Uninsured under 19	5.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,560	95.1%
Spanish	45	2.9%
Other Indo-European	45	2.9%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,591	97.0%
Born in same state	1,591	97.0%
Born in different state	1,363	83.1%
Foreign born	0	0.0%
Naturalized citizen	50	3.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	183	11.2%
Arab	134	8.2%
Italian	119	7.3%

Ancestry	Count	%
Polish	44	2.7%
English	35	2.1%
Dutch	3	0.2%

Technology access

Metric	% of households
Computer access	40.3%
Internet access	86.1%

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

Frequently asked questions about ZIP code 50621

What city is ZIP code 50621 in?

ZIP code 50621 is primarily assigned to Conrad, Iowa.

What county is ZIP code 50621 in?

ZIP code 50621 falls within Grundy County, Iowa.

Does ZIP code 50621 have an older population?

30% of residents in ZIP code 50621 are 65 or older, above the national average of ~17%.

Does ZIP code 50621 have a large retiree population?

46% of households in ZIP code 50621 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 50621?

The median home value in ZIP code 50621 is $165,500.

What is the population of ZIP code 50621?

ZIP code 50621 has an estimated population of 1,641 residents, with a density of 26 people per square mile.

What timezone is ZIP code 50621 in?

ZIP code 50621 observes the CST timezone.