50538 ZIP Code — Farnhamville, IA

Calhoun County, Iowa

ZIP code 50538 is located in Farnhamville, Iowa, within Calhoun County. It covers approximately 35.53 square miles and serves a population of 562 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 515.

About ZIP code 50538

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 $65,000. Owner-occupancy is high at 75%, well above the national average.

Median household income is $51,705. 37% 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.

College attainment at 9% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 50538 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

562

population

35.53

sq mi land

Standard

ZIP type

Central (CT)

timezone

50538 ZIP code map

Cities in ZIP code 50538

Below are the cities the US Postal Service accepts for ZIP code 50538. Using any city not on this list may result in mail delivery delays.

City	Status
Farnhamville	Acceptable
Farnhamville	Preferred

Nearby ZIP codes

51453 Lohrville (6 mi) 50586 Somers (8.1 mi) 50543 Gowrie (8.4 mi) 50523 Callender (9.6 mi) 50050 Churdan (10.8 mi) 50566 Moorland (12.3 mi) 50217 Paton (12.4 mi) 50579 Rockwell City (12.5 mi) 51449 Lake City (14.1 mi) 50544 Harcourt (14.5 mi) 50518 Barnum (16.5 mi) 50064 Dana (17 mi)

Demographics updated 05/2026

Population
Total population	562
Population density	16 / sq mi
State FIPS	19
County FIPS	025

Geography
Land area	35.53 sq mi
Water area	0.01 sq mi
Latitude	42.2817
Longitude	-94.4461
Timezone	Central (CT)
Area code	515

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	52.4%	47.5%	40.1%
$50k – $100k	35.1%	31.1%	33.4%
$100k – $200k	8.7%	17.2%	21.5%
Over $200k	3.8%	4.2%	5.0%

Demographics & statistics

562

Population

People per sq mi

40.4

Median age

$51,705

Median household income

$27,644

Per capita income

$65,000

Median home value

$729

Median monthly rent

75.3%

Home ownership

13.9%

Poverty rate

0.8%

Unemployment

196

Housing units

8.8%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	155	27.6%
18 and over	407	72.4%
65 and over	110	19.6%
Median age	40.4 years

Race & ethnicity

White 90.8%

Black or African American 6.3%

Two or more races 1.8%

Hispanic or Latino 1.1%

Group	Count	%
White	516	90.8%
Black or African American	36	6.3%
Two or more races	10	1.8%
Hispanic or Latino	6	1.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	52.4%	47.5%	40.1%
$50k – $100k	35.1%	31.1%	33.4%
$100k – $200k	8.7%	17.2%	21.5%
Over $200k	3.8%	4.2%	5.0%

Under $10k 7.1%

$10k–$15k 6.3%

$15k–$25k 15.9%

$25k–$35k 7.1%

$35k–$50k 10.5%

$50k–$75k 23.0%

$75k–$100k 13.8%

$100k–$150k 10.5%

$150k–$200k 2.1%

$200k+ 3.8%

Range	% of households
Under $10k	7.1%
$10k–$15k	6.3%
$15k–$25k	15.9%
$25k–$35k	7.1%
$35k–$50k	10.5%
$50k–$75k	23.0%
$75k–$100k	13.8%
$100k–$150k	10.5%
$150k–$200k	2.1%
$200k+	3.8%
Median income	$51,705

Housing

Home values

Under $50k 35.6%

$50k–$100k 30.6%

$100k–$150k 11.7%

$150k–$200k 12.2%

$200k–$300k 7.8%

$500k–$1M 2.2%

Housing overview

Metric	Value
Median home value	$65,000
Median rent / month	$729
Owner occupied	75.3%
Renter occupied	24.7%
Vacant	6.3%
Single-family detached	88.6%
Large apartment buildings	2.4%
Mobile homes	1.2%
Median rooms	6.1
Avg household size (owned)	2.41

Year built

Era	%
2020 or later	0.0%
2010–2019	1.6%
2000–2009	1.2%
1990–1999	4.7%
1980–1989	11.0%
1970–1979	8.6%
1960–1969	5.9%
1950–1959	10.6%
1940–1949	5.9%
1939 or earlier	50.6%

Bedrooms

Size	% of units
No bedroom (studio)	2.7%
1 bedroom	9.8%
2 bedrooms	23.5%
3 bedrooms	47.1%
4 bedrooms	11.0%
5+ bedrooms	5.9%

Vehicles per household

Vehicles	% of households
No vehicle	4.2%
1 vehicle	39.7%
2 vehicles	31.8%
3 or more	24.3%

Heating fuel

Fuel type	%
Utility gas	62.8%
Electricity	14.2%
Propane / LP gas	23.0%

Households & families

Household type	Count	%
Married-couple family	114	47.7%
Cohabiting couple	12	5.0%
Male householder, no spouse	53	22.2%
Female householder, no spouse	60	25.1%
Households with children under 18	76	31.8%
Households with seniors (65+)	81	33.9%
Average household size	2.35

Marital status

Status	Male	Female
Never married	27.7%	17.0%
Married	53.2%	56.0%
Separated	0.0%	1.0%
Widowed	5.6%	14.5%
Divorced	13.4%	11.5%

Education

Less than 9th grade 0.3%

Some HS, no diploma 3.2%

HS graduate 35.2%

Some college, no degree 26.4%

Associate's degree 26.1%

Bachelor's degree 7.2%

Graduate / professional 1.6%

Metric	%
HS diploma or higher	96.5%
Bachelor's or higher	8.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	4	2.9%
Kindergarten	6	4.4%
Elementary school	73	53.7%
High school	44	32.4%
College / grad school	9	6.6%

Employment

Industry of employment

Education & healthcare 22.2%

Agriculture & mining 16.3%

Manufacturing 14.8%

Arts, food & hospitality 9.3%

Other services 7.4%

Retail trade 6.6%

Professional & management 5.8%

Construction 5.1%

Public administration 3.9%

Information 3.5%

Wholesale trade 2.3%

Transportation & utilities 1.6%

Finance & real estate 1.2%

Occupation

Category	%
Management, business & arts	42.8%
Service	15.6%
Sales & office	11.3%
Natural resources & construction	25.3%
Production & transportation	5.1%

Employment type

Type	%
Private sector	70.4%
Government	10.1%
Self-employed	19.5%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	75.4%
Carpool	0.8%
Public transit	0.0%
Walk	12.3%
Work from home	4.0%
Other means	7.5%
Avg commute (minutes)	20.8

Poverty

All people 13.9%

Under 18 years 17.4%

18 and over 12.5%

Married-couple families 2.6%

Female-led households 71.1%

Income support

Source	% of households
Social Security	36.8%
Retirement income	14.6%
Supplemental Security	1.7%
Cash public assistance	2.5%
Food stamps / SNAP	15.9%

Health indicators

Condition	%
Obesity	38.9%
High blood pressure	37.7%
High cholesterol	36.0%
Diabetes	11.5%
Heart disease	8.2%
Stroke	3.7%
Asthma	9.3%
Arthritis	29.2%
Kidney disease	3.4%
Pulmonary disease	8.1%
Cancer	8.5%

Behavior / access	%
Smoking	17.5%
Binge drinking	19.4%
No physical activity	26.4%
Less than 7 hrs sleep	30.0%
Depression	18.0%
Fair or poor health	14.4%
Poor mental health	13.3%
Poor physical health	10.7%
No health insurance	9.1%
Visited doctor (checkup)	77.0%
Visited dentist	64.0%
Cholesterol screening	89.2%
Teeth loss	14.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	43	10.6%

Disability	%
Any disability	13.9%
Under 18	12.9%
18–64 years	9.8%
65 and over	26.4%

Health insurance coverage

Type	%
Private insurance	54.8%
Public insurance	51.1%
No insurance	13.3%
Uninsured under 19	15.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	535	95.2%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	562	100.0%
Born in same state	560	99.6%
Born in different state	491	87.4%
Foreign born	2	0.4%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	49	8.7%
French	47	8.4%
Polish	18	3.2%

Ancestry	Count	%
Arab	10	1.8%
Dutch	3	0.5%
English	1	0.2%

Technology access

Metric	% of households
Computer access	42.5%
Internet access	93.7%

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

Frequently asked questions about ZIP code 50538

What city is ZIP code 50538 in?

ZIP code 50538 is primarily assigned to Farnhamville, Iowa.

What county is ZIP code 50538 in?

ZIP code 50538 falls within Calhoun County, Iowa.

How educated is the population of ZIP code 50538?

9% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

Does ZIP code 50538 have a large retiree population?

37% of households in ZIP code 50538 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 50538 have a large veteran population?

11% of civilians in ZIP code 50538 are veterans, above the national average of ~7%.

What is the typical home value in ZIP code 50538?

The median home value in ZIP code 50538 is $65,000.

What timezone is ZIP code 50538 in?

ZIP code 50538 observes the CST timezone.