50628 ZIP Code — Elma, IA

Howard County, Iowa

ZIP code 50628 is located in Elma, Iowa, within Howard County. It covers approximately 113.38 square miles and serves a population of 1,183 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 641.

About ZIP code 50628

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 $137,500. Owner-occupancy is high at 79%, well above the national average.

Median household income is $57,353. 43% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with agriculture and mining as the leading industry. The average commute of 25 minutes is near the national average.

College attainment at 14% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 50628 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

1,183
population
113.38
sq mi land
Standard
ZIP type
Central (CT)
timezone
50628 ZIP code map
Cities in ZIP code 50628

Below are the cities the US Postal Service accepts for ZIP code 50628. Using any city not on this list may result in mail delivery delays.

City Status
Elma Acceptable
Elma Preferred
Nearby ZIP codes
52155 Lime Springs (7.9 mi) 50466 Riceville (8 mi) 52134 Chester (10.1 mi) 50603 Alta Vista (10.6 mi) 52136 Cresco (14.1 mi) 50460 Orchard (15.4 mi) 50659 New Hampton (16.9 mi) 55961 Ostrander (17.4 mi) 52154 Lawler (17.6 mi) 55951 Le Roy (19.3 mi) 50461 Osage (19.7 mi)
Demographics updated 05/2026
Population
Total population 1,183
Population density 10 / sq mi
State FIPS 19
County FIPS 089
Geography
Land area 113.38 sq mi
Water area 0.07 sq mi
Latitude 43.3208
Longitude -92.3965
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 45.6% 43.3% 40.1%
$50k – $100k 38.0% 37.4% 33.4%
$100k – $200k 14.5% 17.1% 21.5%
Over $200k 1.9% 2.2% 5.0%

Demographics & statistics

1,183
Population
10
People per sq mi
49.1
Median age
$57,353
Median household income
$32,166
Per capita income
$137,500
Median home value
$549
Median monthly rent
79.2%
Home ownership
10.4%
Poverty rate
1.2%
Unemployment
443
Housing units
14.3%
Bachelor's or higher

Age distribution

Male Female
25
Under 5
32
24
5–9
29
28
10–14
35
57
15–19
71
22
20–24
27
36
25–34
45
61
35–44
75
67
45–54
84
29
55–59
35
24
60–64
30
80
65–74
99
57
75–84
72
17
85+
22
← Male
Female →

Age summary

GroupCount%
Under 1822919.4%
18 and over95480.6%
65 and over34729.3%
Median age49.1 years

Race & ethnicity

White 96.7%
Two or more races 2.3%
Hispanic or Latino 1.1%
GroupCount%
White1,15696.7%
Two or more races272.3%
Hispanic or Latino131.1%

Household income

Income range This ZIP County avg State avg
Under $50k 45.6% 43.3% 40.1%
$50k – $100k 38.0% 37.4% 33.4%
$100k – $200k 14.5% 17.1% 21.5%
Over $200k 1.9% 2.2% 5.0%
Under $10k 1.7%
$10k–$15k 5.4%
$15k–$25k 18.3%
$25k–$35k 6.0%
$35k–$50k 11.6%
$50k–$75k 25.3%
$75k–$100k 11.8%
$100k–$150k 10.4%
$150k–$200k 1.9%
$200k+ 7.5%
Range% of households
Under $10k1.7%
$10k–$15k5.4%
$15k–$25k18.3%
$25k–$35k6.0%
$35k–$50k11.6%
$50k–$75k25.3%
$75k–$100k11.8%
$100k–$150k10.4%
$150k–$200k1.9%
$200k+7.5%
Median income$57,353

Housing

Home values

Under $50k 15.6%
$50k–$100k 20.7%
$100k–$150k 21.0%
$150k–$200k 10.0%
$200k–$300k 16.6%
$300k–$500k 8.3%
$500k–$1M 7.8%

Housing overview

MetricValue
Median home value$137,500
Median rent / month$549
Owner occupied79.2%
Renter occupied20.8%
Vacant6.0%
Single-family detached88.6%
Large apartment buildings0.0%
Mobile homes3.1%
Median rooms6.4
Avg household size (owned)2.23

Year built

Era%
2020 or later0.0%
2010–20198.7%
2000–200910.9%
1990–19995.3%
1980–19894.5%
1970–197910.9%
1960–19692.9%
1950–19591.5%
1940–194912.3%
1939 or earlier43.0%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom6.4%
2 bedrooms22.1%
3 bedrooms42.8%
4 bedrooms22.9%
5+ bedrooms5.8%

Vehicles per household

Vehicles% of households
No vehicle5.6%
1 vehicle27.0%
2 vehicles33.2%
3 or more34.2%

Heating fuel

Fuel type%
Utility gas4.1%
Electricity8.7%
Propane / LP gas72.2%
Fuel oil12.7%
Wood2.3%

Households & families

Household typeCount%
Married-couple family25749.6%
Cohabiting couple479.1%
Male householder, no spouse5510.6%
Female householder, no spouse15930.7%
Households with children under 1812924.9%
Households with seniors (65+)22844.0%
Average household size2.21

Marital status

StatusMaleFemale
Never married33.0%18.5%
Married55.8%51.0%
Separated0.2%1.6%
Widowed3.4%19.4%
Divorced7.7%9.5%

Education

Less than 9th grade 6.6%
Some HS, no diploma 1.7%
HS graduate 43.2%
Some college, no degree 15.6%
Associate's degree 18.6%
Bachelor's degree 13.3%
Graduate / professional 1.0%
Metric%
HS diploma or higher91.7%
Bachelor's or higher14.3%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool73.2%
Kindergarten115.0%
Elementary school9242.2%
High school7534.4%
College / grad school3315.1%

Employment

Industry of employment

Agriculture & mining 21.3%
Education & healthcare 20.4%
Manufacturing 20.2%
Transportation & utilities 12.3%
Retail trade 6.2%
Construction 4.2%
Finance & real estate 4.0%
Other services 3.7%
Wholesale trade 2.5%
Arts, food & hospitality 2.5%
Professional & management 1.6%
Public administration 1.2%

Occupation

Category%
Management, business & arts32.0%
Service16.2%
Sales & office19.2%
Natural resources & construction13.9%
Production & transportation18.8%

Employment type

Type%
Private sector66.3%
Government15.3%
Self-employed18.5%
Unpaid family workers0.0%

Commute

Method%
Drive alone74.9%
Carpool6.6%
Public transit0.0%
Walk1.5%
Work from home17.1%
Other means0.0%
Avg commute (minutes)25.4

Poverty

All people 10.4%
Under 18 years 14.7%
18 and over 9.3%
Married-couple families 1.9%
Female-led households 63.8%

Income support

Source% of households
Social Security42.7%
Retirement income19.1%
Supplemental Security4.4%
Cash public assistance1.2%
Food stamps / SNAP10.6%

Health indicators

Condition%
Obesity40.4%
High blood pressure38.1%
High cholesterol36.9%
Diabetes12.1%
Heart disease8.8%
Stroke4.0%
Asthma9.3%
Arthritis30.1%
Kidney disease3.6%
Pulmonary disease8.7%
Cancer8.7%
Behavior / access%
Smoking18.7%
Binge drinking19.1%
No physical activity27.3%
Less than 7 hrs sleep30.8%
Depression17.0%
Fair or poor health15.6%
Poor mental health13.2%
Poor physical health11.4%
No health insurance10.2%
Visited doctor (checkup)76.5%
Visited dentist61.9%
Cholesterol screening89.3%
Teeth loss14.8%

Veterans & disability

VeteransCount%
Civilian veterans939.7%
Disability%
Any disability11.7%
Under 186.1%
18–64 years5.9%
65 and over27.1%

Health insurance coverage

Type%
Private insurance65.7%
Public insurance45.6%
No insurance13.6%
Uninsured under 1928.4%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only1,12695.2%
Spanish474.2%
Other Indo-European70.6%
Asian & Pacific Islander403.6%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)1,16798.6%
Born in same state1,16098.1%
Born in different state93979.4%
Foreign born70.6%
Naturalized citizen161.4%
Not a US citizen00.0%

Ancestry

AncestryCount%
Italian17614.9%
Polish1008.5%
Arab675.7%
AncestryCount%
French645.4%
Dutch141.2%
English80.7%

Technology access

Metric% of households
Computer access43.8%
Internet access82.4%

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

Frequently asked questions about ZIP code 50628

What city is ZIP code 50628 in?

ZIP code 50628 is primarily assigned to Elma, Iowa.

What county is ZIP code 50628 in?

ZIP code 50628 falls within Howard County, Iowa.

Does ZIP code 50628 have an older population?

29% of residents in ZIP code 50628 are 65 or older, above the national average of ~17%.

How educated is the population of ZIP code 50628?

14% 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 50628 have a large retiree population?

43% of households in ZIP code 50628 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 50628?

The median home value in ZIP code 50628 is $137,500.

What timezone is ZIP code 50628 in?

ZIP code 50628 observes the CST timezone.

Need the complete ZIP code database? Download all 42,000+ US ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →