51004 ZIP Code — Anthon, IA

Woodbury County, Iowa

ZIP code 51004 is located in Anthon, Iowa, within Woodbury County. It covers approximately 84.20 square miles and serves a population of 863 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 712.

About ZIP code 51004

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 $98,100. Owner-occupancy sits near the national average at 74%.

Median household income is $59,500. 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 27 minutes is near the national average.

College attainment at 19% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 51004 reflects a community defined by a trades-oriented workforce and a significant Social Security-dependent population.

863

population

84.20

sq mi land

Standard

ZIP type

Central (CT)

timezone

51004 ZIP code map

Cities in ZIP code 51004

Below are the cities the US Postal Service accepts for ZIP code 51004. Using any city not on this list may result in mail delivery delays.

City	Status
Anthon	Preferred

Nearby ZIP codes

51044 Oto (5.8 mi) 51016 Correctionville (7.5 mi) 51039 Moville (8.5 mi) 51056 Smithland (8.7 mi) 51026 Hornick (11.4 mi) 51019 Danbury (11.6 mi) 51051 Rodney (12.6 mi) 51007 Bronson (12.8 mi) 51018 Cushing (14.2 mi) 51048 Pierson (14.3 mi) 51006 Battle Creek (15.4 mi) 51028 Kingsley (15.7 mi)

Demographics updated 05/2026

Population
Total population	863
Population density	10 / sq mi
State FIPS	19
County FIPS	193

Geography
Land area	84.20 sq mi
Water area	0.32 sq mi
Latitude	42.3708
Longitude	-95.9224
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	43.4%	40.6%	40.1%
$50k – $100k	34.8%	33.9%	33.4%
$100k – $200k	17.9%	21.3%	21.5%
Over $200k	3.8%	4.2%	5.0%

Demographics & statistics

863

Population

People per sq mi

46.4

Median age

$59,500

Median household income

$34,811

Per capita income

$98,100

Median home value

$1,033

Median monthly rent

73.6%

Home ownership

10.0%

Poverty rate

3.5%

Unemployment

363

Housing units

19.4%

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	165	19.1%
18 and over	698	80.9%
65 and over	217	25.1%
Median age	46.4 years

Race & ethnicity

White 91.4%

Two or more races 4.8%

Hispanic or Latino 1.9%

Other race 1.9%

Group	Count	%
White	804	91.4%
Two or more races	42	4.8%
Hispanic or Latino	17	1.9%
Other race	17	1.9%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	43.4%	40.6%	40.1%
$50k – $100k	34.8%	33.9%	33.4%
$100k – $200k	17.9%	21.3%	21.5%
Over $200k	3.8%	4.2%	5.0%

Under $10k 3.7%

$10k–$15k 5.7%

$15k–$25k 6.7%

$25k–$35k 14.0%

$35k–$50k 11.3%

$50k–$75k 24.9%

$75k–$100k 6.9%

$100k–$150k 16.3%

$150k–$200k 6.9%

$200k+ 3.7%

Range	% of households
Under $10k	3.7%
$10k–$15k	5.7%
$15k–$25k	6.7%
$25k–$35k	14.0%
$35k–$50k	11.3%
$50k–$75k	24.9%
$75k–$100k	6.9%
$100k–$150k	16.3%
$150k–$200k	6.9%
$200k+	3.7%
Median income	$59,500

Housing

Home values

Under $50k 15.7%

$50k–$100k 36.5%

$100k–$150k 21.7%

$150k–$200k 13.0%

$200k–$300k 13.0%

Housing overview

Metric	Value
Median home value	$98,100
Median rent / month	$1,033
Owner occupied	73.6%
Renter occupied	26.4%
Vacant	13.6%
Single-family detached	95.7%
Large apartment buildings	0.0%
Mobile homes	4.0%
Median rooms	6.1
Avg household size (owned)	2.05

Year built

Era	%
2020 or later	0.0%
2010–2019	1.9%
2000–2009	2.3%
1990–1999	3.2%
1980–1989	4.5%
1970–1979	14.0%
1960–1969	6.0%
1950–1959	6.8%
1940–1949	7.7%
1939 or earlier	53.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.4%
1 bedroom	0.4%
2 bedrooms	39.6%
3 bedrooms	48.5%
4 bedrooms	8.7%
5+ bedrooms	2.3%

Vehicles per household

Vehicles	% of households
No vehicle	9.4%
1 vehicle	21.4%
2 vehicles	34.0%
3 or more	35.2%

Heating fuel

Fuel type	%
Utility gas	6.7%
Electricity	39.4%
Propane / LP gas	48.0%
Fuel oil	5.4%

Households & families

Household type	Count	%
Married-couple family	180	44.3%
Cohabiting couple	16	3.9%
Male householder, no spouse	82	20.2%
Female householder, no spouse	128	31.5%
Households with children under 18	97	23.9%
Households with seniors (65+)	150	36.9%
Average household size	2.13

Marital status

Status	Male	Female
Never married	28.2%	21.4%
Married	56.1%	46.6%
Separated	0.0%	0.0%
Widowed	6.1%	13.5%
Divorced	9.5%	18.5%

Education

Less than 9th grade 1.6%

Some HS, no diploma 2.2%

HS graduate 35.4%

Some college, no degree 21.9%

Associate's degree 19.4%

Bachelor's degree 14.9%

Graduate / professional 4.5%

Metric	%
HS diploma or higher	96.2%
Bachelor's or higher	19.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	24	14.1%
Kindergarten	7	4.1%
Elementary school	105	61.8%
High school	12	7.1%
College / grad school	22	12.9%

Employment

Industry of employment

Education & healthcare 23.3%

Arts, food & hospitality 12.9%

Agriculture & mining 11.7%

Manufacturing 10.0%

Construction 9.3%

Retail trade 8.7%

Public administration 4.4%

Transportation & utilities 4.0%

Wholesale trade 3.8%

Other services 3.8%

Information 3.6%

Finance & real estate 2.5%

Professional & management 1.9%

Occupation

Category	%
Management, business & arts	28.0%
Service	19.9%
Sales & office	18.2%
Natural resources & construction	16.7%
Production & transportation	17.2%

Employment type

Type	%
Private sector	71.2%
Government	13.8%
Self-employed	15.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	76.1%
Carpool	10.3%
Public transit	0.0%
Walk	4.5%
Work from home	6.6%
Other means	2.6%
Avg commute (minutes)	26.8

Poverty

All people 10.0%

Under 18 years 10.9%

18 and over 9.7%

Married-couple families 2.8%

Female-led households 11.0%

Income support

Source	% of households
Social Security	36.7%
Retirement income	15.8%
Supplemental Security	4.4%
Cash public assistance	2.7%
Food stamps / SNAP	9.1%

Health indicators

Condition	%
Obesity	36.8%
High blood pressure	36.7%
High cholesterol	35.4%
Diabetes	12.2%
Heart disease	7.8%
Stroke	3.5%
Asthma	8.9%
Arthritis	27.9%
Kidney disease	3.3%
Pulmonary disease	7.6%
Cancer	8.4%

Behavior / access	%
Smoking	17.1%
Binge drinking	19.3%
No physical activity	27.0%
Less than 7 hrs sleep	31.4%
Depression	16.9%
Fair or poor health	13.5%
Poor mental health	12.9%
Poor physical health	10.3%
No health insurance	9.3%
Visited doctor (checkup)	78.8%
Visited dentist	70.1%
Cholesterol screening	90.3%
Teeth loss	13.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	41	5.9%

Disability	%
Any disability	13.9%
Under 18	0.0%
18–64 years	6.0%
65 and over	41.9%

Health insurance coverage

Type	%
Private insurance	66.5%
Public insurance	46.8%
No insurance	3.6%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	839	97.2%
Spanish	24	2.9%
Other Indo-European	15	1.8%
Asian & Pacific Islander	9	1.1%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	848	98.3%
Born in same state	846	98.0%
Born in different state	722	83.7%
Foreign born	2	0.2%
Naturalized citizen	15	1.7%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	230	26.7%
French	103	11.9%
Arab	42	4.9%

Ancestry	Count	%
Polish	20	2.3%
English	19	2.2%
Dutch	17	2%

Technology access

Metric	% of households
Computer access	47.0%
Internet access	85.7%

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

Frequently asked questions about ZIP code 51004

What city is ZIP code 51004 in?

ZIP code 51004 is primarily assigned to Anthon, Iowa.

What county is ZIP code 51004 in?

ZIP code 51004 falls within Woodbury County, Iowa.

Does ZIP code 51004 have an older population?

25% of residents in ZIP code 51004 are 65 or older, above the national average of ~17%.

Does ZIP code 51004 have a large retiree population?

37% of households in ZIP code 51004 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 51004?

The median home value in ZIP code 51004 is $98,100.

What is the population of ZIP code 51004?

ZIP code 51004 has an estimated population of 863 residents, with a density of 10 people per square mile.

What timezone is ZIP code 51004 in?

ZIP code 51004 observes the CST timezone.