50257 ZIP Code — Truro, IA

Madison County, Iowa

ZIP code 50257 is located in Truro, Iowa, within Madison County. It covers approximately 43.80 square miles and serves a population of 1,131 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 641.

About ZIP code 50257

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 $219,600. Owner-occupancy is high at 87%, well above the national average.

Median household income is $88,235. 33% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with construction as the leading industry. An above-average commute of 41 minutes suggests many residents work outside the immediate area.

Educational attainment is near the national average, with 21% of residents holding a bachelor's degree or higher.

Overall, ZIP code 50257 reflects a community defined by high homeownership and a significant Social Security-dependent population.

1,131

population

43.80

sq mi land

Standard

ZIP type

Central (CT)

timezone

50257 ZIP code map

Cities in ZIP code 50257

Below are the cities the US Postal Service accepts for ZIP code 50257. Using any city not on this list may result in mail delivery delays.

City	Status
Truro	Preferred

Nearby ZIP codes

50240 Saint Charles (8.2 mi) 50210 New Virginia (9.1 mi) 50149 Lorimor (11.8 mi) 50174 Murray (12.2 mi) 50213 Osceola (12.2 mi) 50229 Prole (13.2 mi) 50273 Winterset (14.4 mi) 50160 Martensdale (14.4 mi) 50125 Indianola (16.8 mi) 50155 Macksburg (16.9 mi) 50275 Woodburn (17.2 mi) 50254 Thayer (17.7 mi)

Demographics updated 05/2026

Population
Total population	1,131
Population density	26 / sq mi
State FIPS	19
County FIPS	121

Geography
Land area	43.80 sq mi
Water area	0.00 sq mi
Latitude	41.1833
Longitude	-93.8598
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	29.8%	34.4%	40.1%
$50k – $100k	34.1%	34.4%	33.4%
$100k – $200k	31.2%	25.7%	21.5%
Over $200k	5.0%	5.5%	5.0%

Demographics & statistics

1,131

Population

People per sq mi

39.9

Median age

$88,235

Median household income

$35,812

Per capita income

$219,600

Median home value

$840

Median monthly rent

86.6%

Home ownership

8.1%

Poverty rate

0.3%

Unemployment

369

Housing units

21.2%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

119

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	256	22.6%
18 and over	875	77.4%
65 and over	204	18.0%
Median age	39.9 years

Race & ethnicity

White 98.3%

Two or more races 0.6%

Black or African American 0.5%

Hispanic or Latino 0.5%

Group	Count	%
White	1,118	98.3%
Two or more races	7	0.6%
Black or African American	6	0.5%
Hispanic or Latino	6	0.5%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	29.8%	34.4%	40.1%
$50k – $100k	34.1%	34.4%	33.4%
$100k – $200k	31.2%	25.7%	21.5%
Over $200k	5.0%	5.5%	5.0%

$10k–$15k 2.4%

$15k–$25k 4.2%

$25k–$35k 5.5%

$35k–$50k 13.4%

$50k–$75k 18.4%

$75k–$100k 14.7%

$100k–$150k 20.8%

$150k–$200k 11.8%

$200k+ 8.7%

Range	% of households
$10k–$15k	2.4%
$15k–$25k	4.2%
$25k–$35k	5.5%
$35k–$50k	13.4%
$50k–$75k	18.4%
$75k–$100k	14.7%
$100k–$150k	20.8%
$150k–$200k	11.8%
$200k+	8.7%
Median income	$88,235

Housing

Home values

Under $50k 5.2%

$50k–$100k 8.2%

$100k–$150k 10.0%

$150k–$200k 18.8%

$200k–$300k 28.3%

$300k–$500k 14.3%

$500k–$1M 5.8%

$1M+ 9.4%

Housing overview

Metric	Value
Median home value	$219,600
Median rent / month	$840
Owner occupied	86.6%
Renter occupied	13.4%
Vacant	9.5%
Single-family detached	90.7%
Large apartment buildings	0.0%
Mobile homes	2.4%
Median rooms	6.0
Avg household size (owned)	3.05

Year built

Era	%
2020 or later	0.0%
2010–2019	3.8%
2000–2009	15.0%
1990–1999	9.3%
1980–1989	7.1%
1970–1979	9.5%
1960–1969	3.3%
1950–1959	5.0%
1940–1949	3.1%
1939 or earlier	43.8%

Bedrooms

Size	% of units
No bedroom (studio)	1.0%
1 bedroom	1.2%
2 bedrooms	23.3%
3 bedrooms	47.4%
4 bedrooms	24.5%
5+ bedrooms	2.6%

Vehicles per household

Vehicles	% of households
No vehicle	0.3%
1 vehicle	17.4%
2 vehicles	36.3%
3 or more	46.1%

Heating fuel

Fuel type	%
Utility gas	41.8%
Electricity	26.1%
Propane / LP gas	28.2%
Wood	2.6%

Households & families

Household type	Count	%
Married-couple family	264	69.5%
Cohabiting couple	17	4.5%
Male householder, no spouse	27	7.1%
Female householder, no spouse	72	18.9%
Households with children under 18	136	35.8%
Households with seniors (65+)	119	31.3%
Average household size	2.95

Marital status

Status	Male	Female
Never married	20.3%	23.0%
Married	67.7%	62.8%
Separated	0.0%	1.6%
Widowed	1.3%	5.3%
Divorced	10.8%	7.2%

Education

Less than 9th grade 0.6%

Some HS, no diploma 4.1%

HS graduate 39.2%

Some college, no degree 16.2%

Associate's degree 18.6%

Bachelor's degree 17.5%

Graduate / professional 3.8%

Metric	%
HS diploma or higher	95.2%
Bachelor's or higher	21.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	10	4.4%
Kindergarten	16	7.1%
Elementary school	130	57.8%
High school	42	18.7%
College / grad school	27	12.0%

Employment

Industry of employment

Construction 18.5%

Education & healthcare 15.9%

Finance & real estate 10.5%

Retail trade 10.0%

Public administration 8.5%

Agriculture & mining 7.4%

Manufacturing 6.9%

Other services 6.4%

Transportation & utilities 5.6%

Professional & management 4.8%

Arts, food & hospitality 2.4%

Wholesale trade 1.6%

Information 1.3%

Occupation

Category	%
Management, business & arts	33.0%
Service	12.1%
Sales & office	11.4%
Natural resources & construction	20.0%
Production & transportation	23.5%

Employment type

Type	%
Private sector	82.1%
Government	12.7%
Self-employed	5.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	79.6%
Carpool	8.9%
Public transit	0.0%
Walk	5.0%
Work from home	6.5%
Other means	0.0%
Avg commute (minutes)	41.2

Poverty

All people 8.1%

Under 18 years 14.9%

18 and over 6.2%

Married-couple families 1.1%

Female-led households 41.7%

Income support

Source	% of households
Social Security	32.9%
Retirement income	17.1%
Supplemental Security	0.0%
Cash public assistance	1.1%
Food stamps / SNAP	7.9%

Health indicators

Condition	%
Obesity	35.2%
High blood pressure	30.8%
High cholesterol	33.1%
Diabetes	8.9%
Heart disease	5.9%
Stroke	2.7%
Asthma	9.1%
Arthritis	23.8%
Kidney disease	2.5%
Pulmonary disease	6.1%
Cancer	6.7%

Behavior / access	%
Smoking	18.1%
Binge drinking	23.2%
No physical activity	22.9%
Less than 7 hrs sleep	29.8%
Depression	17.8%
Fair or poor health	11.3%
Poor mental health	13.3%
Poor physical health	9.0%
No health insurance	9.2%
Visited doctor (checkup)	74.0%
Visited dentist	66.6%
Cholesterol screening	89.0%
Teeth loss	12.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	49	5.6%

Disability	%
Any disability	7.2%
Under 18	2.7%
18–64 years	6.1%
65 and over	16.2%

Health insurance coverage

Type	%
Private insurance	72.4%
Public insurance	32.7%
No insurance	10.2%
Uninsured under 19	2.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,071	94.7%
Spanish	5	0.5%
Other Indo-European	5	0.5%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,120	99.0%
Born in same state	1,120	99.0%
Born in different state	980	86.6%
Foreign born	0	0.0%
Naturalized citizen	11	1.0%
Not a US citizen	6	54.5%

Ancestry

Ancestry	Count	%
French	296	26.2%
Italian	236	20.9%
Arab	50	4.4%

Ancestry	Count	%
Polish	45	4%
English	40	3.5%
Dutch	3	0.3%

Technology access

Metric	% of households
Computer access	33.6%
Internet access	95.3%

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

Frequently asked questions about ZIP code 50257

What city is ZIP code 50257 in?

ZIP code 50257 is primarily assigned to Truro, Iowa.

What county is ZIP code 50257 in?

ZIP code 50257 falls within Madison County, Iowa.

Is ZIP code 50257 mostly owner-occupied?

87% of occupied units in ZIP code 50257 are owner-occupied, well above the national average.

What is the population of ZIP code 50257?

ZIP code 50257 has an estimated population of 1,131 residents, with a density of 26 people per square mile.

What is the median household income in ZIP code 50257?

The median household income in ZIP code 50257 is $88,235, above the national median of ~$75,000.

What is the typical home value in ZIP code 50257?

The median home value in ZIP code 50257 is $219,600.

What timezone is ZIP code 50257 in?

ZIP code 50257 observes the CST timezone.