Calhoun County, IA ZIP Codes

Iowa (IA) · 10 ZIP codes · 10 cities

ZIP codes

9,915

population (2021)

+2.5%

pop change since 2010

19025

FIPS code

Calhoun County ZIP code map

About Calhoun County

Calhoun County is located in Iowa and contains 10 ZIP codes across 10 cities and communities. The county's population was 9,915 as of 2021, an increase of 2.5% from 9,670 in 2010. The timezone is Mountain Time (observes DST). The Federal Information Processing System (FIPS) code for Calhoun County is 19025.

Population
2021 population	9,915
2010 population	9,670
Change	+2.5%

County details
State	Iowa
FIPS code	19025
Timezone	Mountain
Daylight saving	Yes

Cities in Calhoun County

Farnhamville Jolley Knierim Lake City Lohrville Lytton Manson Pomeroy Rockwell City Somers

ZIP codes for Calhoun County, IA (10)

ZIP code	City	County	Map
50538	Farnhamville	Calhoun	View map
50551	Jolley	Calhoun	View map
50552	Knierim	Calhoun	View map
50561	Lytton	Calhoun	View map
50563	Manson	Calhoun	View map
50575	Pomeroy	Calhoun	View map
50579	Rockwell City	Calhoun	View map
50586	Somers	Calhoun	View map
51449	Lake City	Calhoun	View map
51453	Lohrville	Calhoun	View map

Demographics & statistics

10,261

Population

44.4

Median age

$66,830

Median household income

$34,424

Per capita income

$95,033

Median home value

$644

Median monthly rent

79.2%

Home ownership

15.1%

Poverty rate

2.3%

Unemployment

4,130

Housing units

18.7%

Bachelor's or higher

Age distribution

Male Female

320

Under 5

243

393

5–9

299

317

10–14

241

307

15–19

234

299

20–24

227

702

25–34

534

701

35–44

532

596

45–54

453

353

55–59

269

482

60–64

366

743

65–74

565

384

75–84

292

232

85+

177

← Male

Female →

Age summary

Group	Count	%
Under 18	2,176	20.3%
18 and over	8,085	79.7%
65 and over	2,393	27.4%
Median age	44.4 years

Race & ethnicity

White 92.2%

Two or more races 3.7%

Hispanic or Latino 1.8%

Black or African American 1.1%

Other race 0.7%

Asian 0.3%

American Indian / Alaska Native 0.1%

Group	Count	%
White	9,635	92.2%
Two or more races	384	3.7%
Hispanic or Latino	185	1.8%
Black or African American	120	1.1%
Other race	78	0.7%
Asian	33	0.3%
American Indian / Alaska Native	11	0.1%

Household income

Under $10k 7.7%

$10k–$15k 4.1%

$15k–$25k 10.9%

$25k–$35k 7.3%

$35k–$50k 14.8%

$50k–$75k 20.4%

$75k–$100k 14.1%

$100k–$150k 12.2%

$150k–$200k 3.5%

$200k+ 5.0%

Range	% of households
Under $10k	7.7%
$10k–$15k	4.1%
$15k–$25k	10.9%
$25k–$35k	7.3%
$35k–$50k	14.8%
$50k–$75k	20.4%
$75k–$100k	14.1%
$100k–$150k	12.2%
$150k–$200k	3.5%
$200k+	5.0%
Median income	$66,830

Housing

Home values

Under $50k 22.7%

$50k–$100k 33.2%

$100k–$150k 13.3%

$150k–$200k 9.6%

$200k–$300k 11.8%

$300k–$500k 5.4%

$500k–$1M 4.0%

Housing overview

Metric	Value
Median home value	$95,033
Median rent / month	$644
Owner occupied	79.2%
Renter occupied	20.8%
Vacant	20.5%
Single-family detached	89.1%
Large apartment buildings	1.3%
Mobile homes	2.6%
Median rooms	6.4
Avg household size (owned)	2.36

Year built

Era	%
2020 or later	0.0%
2010–2019	2.9%
2000–2009	4.0%
1990–1999	4.2%
1980–1989	5.2%
1970–1979	14.0%
1960–1969	10.1%
1950–1959	10.3%
1940–1949	8.3%
1939 or earlier	41.1%

Bedrooms

Size	% of units
No bedroom (studio)	1.8%
1 bedroom	7.4%
2 bedrooms	24.7%
3 bedrooms	41.1%
4 bedrooms	15.4%
5+ bedrooms	9.7%

Vehicles per household

Vehicles	% of households
No vehicle	3.2%
1 vehicle	27.4%
2 vehicles	33.4%
3 or more	36.0%

Heating fuel

Fuel type	%
Utility gas	35.9%
Electricity	23.3%
Propane / LP gas	37.0%
Fuel oil	0.6%
Wood	1.6%
No fuel used	1.1%

Households & families

Household type	Count	%
Married-couple family	2,140	50.5%
Cohabiting couple	208	5.6%
Male householder, no spouse	609	23.4%
Female householder, no spouse	1,068	20.5%
Households with children under 18	1,076	25.8%
Households with seniors (65+)	1,597	40.9%
Average household size	2.29

Marital status

Status	Male	Female
Never married	25.7%	20.6%
Married	52.6%	55.4%
Separated	0.8%	1.0%
Widowed	7.0%	11.9%
Divorced	13.9%	11.0%

Education

Less than 9th grade 0.9%

Some HS, no diploma 4.2%

HS graduate 39.6%

Some college, no degree 22.3%

Associate's degree 14.4%

Bachelor's degree 15.0%

Graduate / professional 3.7%

Metric	%
HS diploma or higher	94.9%
Bachelor's or higher	18.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	140	8.2%
Kindergarten	141	7.2%
Elementary school	971	40.5%
High school	493	33.4%
College / grad school	385	10.8%

Employment

Industry of employment

Education & healthcare 28.1%

Agriculture & mining 15.8%

Retail trade 12.7%

Manufacturing 11.8%

Construction 5.8%

Transportation & utilities 5.7%

Other services 3.9%

Finance & real estate 3.6%

Wholesale trade 3.0%

Public administration 2.9%

Professional & management 2.6%

Arts, food & hospitality 2.6%

Information 1.7%

Occupation

Category	%
Management, business & arts	36.6%
Service	19.2%
Sales & office	13.2%
Natural resources & construction	15.0%
Production & transportation	16.0%

Employment type

Type	%
Private sector	71.9%
Government	12.4%
Self-employed	15.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	81.1%
Carpool	6.3%
Public transit	0.3%
Walk	3.7%
Other means	1.8%
Avg commute (minutes)	23.6

Poverty

All people 15.1%

Under 18 years 10.9%

18 and over 14.8%

Married-couple families 9.7%

Female-led households 32.3%

Income support

Source	% of households
Social Security	42.4%
Retirement income	18.5%
Supplemental Security	4.0%
Cash public assistance	2.0%
Food stamps / SNAP	10.4%

Health indicators

Condition	%
High blood pressure	38.1%
High cholesterol	36.0%
Heart disease	8.3%
Stroke	3.7%
Asthma	9.3%
Arthritis	29.3%
Kidney disease	3.4%
Pulmonary disease	8.1%
Cancer	8.5%

Behavior / access	%
Binge drinking	19.3%
No physical activity	26.1%
Less than 7 hrs sleep	29.9%
Fair or poor health	14.4%
Poor mental health	12.9%
Poor physical health	10.8%
No health insurance	9.1%
Visited doctor (checkup)	77.1%
Visited dentist	64.5%
Cholesterol screening	89.9%
Teeth loss	13.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	619	11.6%

Disability	%
Any disability	15.0%
Under 18	4.8%
18–64 years	9.1%
65 and over	30.2%

Health insurance coverage

Type	%
Private insurance	71.8%
Public insurance	49.2%
Uninsured under 19	2.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	9,698	94.1%
Spanish	36	0.1%
Other Indo-European	31	0.1%
Asian & Pacific Islander	0	0.0%
Other languages	5	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	10,187	99.3%
Born in same state	10,169	99.1%
Born in different state	8,390	85.3%
Foreign born	18	0.2%
Naturalized citizen	74	0.7%
Not a US citizen	40	29.4%

Ancestry

Ancestry	Count	%
Italian	1,146	11.2%
French	869	8.5%
Arab	511	5%
Polish	326	3.2%

Ancestry	Count	%
Dutch	292	2.8%
English	197	1.9%
German	11	0.1%
Irish	6	0.1%

Technology access

Metric	% of households
Computer access	43.3%
Internet access	90.8%

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

Explore more Iowa ZIP codes

All Iowa ZIP codes Farnhamville ZIP codes Jolley ZIP codes Knierim ZIP codes Lake City ZIP codes Lohrville ZIP codes Lytton ZIP codes Manson ZIP codes Pomeroy ZIP codes Rockwell City ZIP codes Somers ZIP codes