50251 ZIP Code — Sully, IA

Jasper County, Iowa

ZIP code 50251 is located in Sully, Iowa, within Jasper County. It covers approximately 43.68 square miles and serves a population of 1,478 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 641.

About ZIP code 50251

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 $158,100. Owner-occupancy is high at 84%, well above the national average.

Median household income is $91,875. The poverty rate of 3% is below the national average. 32% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. The average commute of 21 minutes is near the national average.

Educational attainment is near the national average, with 23% of residents holding a bachelor's degree or higher.

Overall, ZIP code 50251 reflects a community defined by high homeownership and a significant Social Security-dependent population.

1,478

population

43.68

sq mi land

Standard

ZIP type

Central (CT)

timezone

50251 ZIP code map

Cities in ZIP code 50251

Below are the cities the US Postal Service accepts for ZIP code 50251. Using any city not on this list may result in mail delivery delays.

City	Status
Sully	Preferred

Nearby ZIP codes

50137 Killduff (3.3 mi) 50153 Lynnville (3.3 mi) 50232 Reasnor (4.8 mi) 50219 Pella (11.2 mi) 50170 Monroe (11.5 mi) 50214 Otley (12.2 mi) 50135 Kellogg (13 mi) 50112 Grinnell (13.7 mi) 50208 Newton (13.8 mi) 50207 New Sharon (16 mi) 50143 Leighton (16.9 mi) 50171 Montezuma (18.2 mi)

Demographics updated 05/2026

Population
Total population	1,478
Population density	34 / sq mi
State FIPS	19
County FIPS	099

Geography
Land area	43.68 sq mi
Water area	0.03 sq mi
Latitude	41.5649
Longitude	-92.8795
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	22.9%	40.7%	40.1%
$50k – $100k	47.1%	35.3%	33.4%
$100k – $200k	24.0%	20.9%	21.5%
Over $200k	6.0%	3.1%	5.0%

Demographics & statistics

1,478

Population

People per sq mi

42.3

Median age

$91,875

Median household income

$43,015

Per capita income

$158,100

Median home value

$725

Median monthly rent

84.4%

Home ownership

2.8%

Poverty rate

3.4%

Unemployment

500

Housing units

23.4%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

107

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	334	22.6%
18 and over	1,144	77.4%
65 and over	317	21.4%
Median age	42.3 years

Race & ethnicity

White 96.3%

Hispanic or Latino 1.7%

Two or more races 1.5%

Other race 0.3%

Asian 0.2%

Group	Count	%
White	1,448	96.3%
Hispanic or Latino	25	1.7%
Two or more races	23	1.5%
Other race	4	0.3%
Asian	3	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	22.9%	40.7%	40.1%
$50k – $100k	47.1%	35.3%	33.4%
$100k – $200k	24.0%	20.9%	21.5%
Over $200k	6.0%	3.1%	5.0%

Under $10k 3.5%

$15k–$25k 3.3%

$25k–$35k 2.6%

$35k–$50k 6.8%

$50k–$75k 14.5%

$75k–$100k 26.2%

$100k–$150k 25.0%

$150k–$200k 8.2%

$200k+ 9.8%

Range	% of households
Under $10k	3.5%
$15k–$25k	3.3%
$25k–$35k	2.6%
$35k–$50k	6.8%
$50k–$75k	14.5%
$75k–$100k	26.2%
$100k–$150k	25.0%
$150k–$200k	8.2%
$200k+	9.8%
Median income	$91,875

Housing

Home values

Under $50k 2.9%

$50k–$100k 15.9%

$100k–$150k 27.7%

$150k–$200k 16.1%

$200k–$300k 21.9%

$300k–$500k 14.7%

$500k–$1M 0.6%

Housing overview

Metric	Value
Median home value	$158,100
Median rent / month	$725
Owner occupied	84.4%
Renter occupied	15.6%
Vacant	2.9%
Single-family detached	91.0%
Large apartment buildings	0.0%
Mobile homes	0.8%
Median rooms	6.9
Avg household size (owned)	2.64

Year built

Era	%
2020 or later	0.0%
2010–2019	4.6%
2000–2009	3.4%
1990–1999	3.6%
1980–1989	4.4%
1970–1979	22.1%
1960–1969	11.4%
1950–1959	12.6%
1940–1949	3.1%
1939 or earlier	35.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.3%
1 bedroom	5.4%
2 bedrooms	29.0%
3 bedrooms	34.8%
4 bedrooms	21.7%
5+ bedrooms	8.7%

Vehicles per household

Vehicles	% of households
No vehicle	1.0%
1 vehicle	18.4%
2 vehicles	44.2%
3 or more	36.4%

Heating fuel

Fuel type	%
Utility gas	50.2%
Electricity	28.0%
Propane / LP gas	21.0%
Wood	0.9%

Households & families

Household type	Count	%
Married-couple family	362	63.3%
Cohabiting couple	49	8.6%
Male householder, no spouse	102	17.8%
Female householder, no spouse	59	10.3%
Households with children under 18	158	27.6%
Households with seniors (65+)	206	36.0%
Average household size	2.58

Marital status

Status	Male	Female
Never married	26.2%	19.1%
Married	57.2%	66.4%
Separated	0.3%	0.0%
Widowed	3.4%	6.9%
Divorced	12.9%	7.6%

Education

Less than 9th grade 1.9%

Some HS, no diploma 1.4%

HS graduate 42.3%

Some college, no degree 17.5%

Associate's degree 13.6%

Bachelor's degree 19.8%

Graduate / professional 3.6%

Metric	%
HS diploma or higher	96.8%
Bachelor's or higher	23.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	11	2.9%
Kindergarten	30	8.0%
Elementary school	144	38.5%
High school	132	35.3%
College / grad school	57	15.2%

Employment

Industry of employment

Manufacturing 25.4%

Education & healthcare 17.6%

Construction 13.3%

Agriculture & mining 8.7%

Transportation & utilities 7.5%

Retail trade 6.4%

Finance & real estate 6.3%

Other services 6.1%

Arts, food & hospitality 3.8%

Professional & management 2.2%

Information 1.2%

Wholesale trade 1.0%

Public administration 0.5%

Occupation

Category	%
Management, business & arts	35.8%
Service	11.4%
Sales & office	20.0%
Natural resources & construction	18.0%
Production & transportation	14.8%

Employment type

Type	%
Private sector	84.7%
Government	6.6%
Self-employed	8.5%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	82.0%
Carpool	6.4%
Public transit	0.0%
Walk	3.6%
Work from home	7.1%
Other means	1.0%
Avg commute (minutes)	21.3

Poverty

All people 2.8%

Under 18 years 0.0%

18 and over 3.7%

Married-couple families 0.8%

Female-led households 0.0%

Income support

Source	% of households
Social Security	31.6%
Retirement income	21.2%
Supplemental Security	4.9%
Cash public assistance	0.0%
Food stamps / SNAP	1.6%

Health indicators

Condition	%
Obesity	38.0%
High blood pressure	34.8%
High cholesterol	35.2%
Diabetes	10.2%
Heart disease	7.2%
Stroke	3.1%
Asthma	8.8%
Arthritis	27.1%
Kidney disease	2.9%
Pulmonary disease	6.8%
Cancer	8.1%

Behavior / access	%
Smoking	16.8%
Binge drinking	20.9%
No physical activity	23.7%
Less than 7 hrs sleep	30.2%
Depression	16.7%
Fair or poor health	12.3%
Poor mental health	12.4%
Poor physical health	9.2%
No health insurance	8.7%
Visited doctor (checkup)	76.0%
Visited dentist	68.5%
Cholesterol screening	90.0%
Teeth loss	12.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	37	3.2%

Disability	%
Any disability	12.9%
Under 18	7.2%
18–64 years	7.7%
65 and over	32.5%

Health insurance coverage

Type	%
Private insurance	82.3%
Public insurance	31.5%
No insurance	1.8%
Uninsured under 19	3.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,405	95.1%
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)	1,463	99.0%
Born in same state	1,463	99.0%
Born in different state	1,292	87.4%
Foreign born	0	0.0%
Naturalized citizen	15	1.0%
Not a US citizen	10	66.7%

Ancestry

Ancestry	Count	%
English	712	48.2%
French	121	8.2%
Italian	115	7.8%

Ancestry	Count	%
Arab	84	5.7%
Polish	17	1.2%
Dutch	5	0.3%

Technology access

Metric	% of households
Computer access	38.7%
Internet access	93.0%

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

Frequently asked questions about ZIP code 50251

What city is ZIP code 50251 in?

ZIP code 50251 is primarily assigned to Sully, Iowa.

What county is ZIP code 50251 in?

ZIP code 50251 falls within Jasper County, Iowa.

Is ZIP code 50251 mostly owner-occupied?

84% of occupied units in ZIP code 50251 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 50251?

The median home value in ZIP code 50251 is $158,100.

What is the population of ZIP code 50251?

ZIP code 50251 has an estimated population of 1,478 residents, with a density of 34 people per square mile.

What is the median household income in ZIP code 50251?

The median household income in ZIP code 50251 is $91,875, above the national median of ~$75,000.

What timezone is ZIP code 50251 in?

ZIP code 50251 observes the CST timezone.