50623 ZIP Code — Dewar, IA
Black Hawk County, Iowa
ZIP code 50623 is located in Dewar, Iowa, within Black Hawk County. It covers approximately 2.07 square miles and serves a population of 150 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 319.
150
population
2.07
sq mi land
Standard
ZIP type
Central (CT)
timezone
50623 ZIP code map
Cities in ZIP code 50623
Below are the cities the US Postal Service accepts for ZIP code 50623. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Dewar | Acceptable |
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 150 |
| Population density | 72 / sq mi |
| State FIPS | 19 |
| County FIPS | 013 |
| Geography | |
|---|---|
| Land area | 2.07 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 42.5338 |
| Longitude | -92.2094 |
| Timezone | Central (CT) |
| Area code | 319 |
Total population by age
Gender
Race & ethnicity
Demographics & statistics
150
Population
72
People per sq mi
59.6
Median age
$84,063
Median household income
$39,649
Per capita income
$165,600
Median home value
$0
Median monthly rent
100.0%
Home ownership
20.7%
Poverty rate
20.0%
Unemployment
73
Housing units
2.8%
Bachelor's or higher
Age distribution
Male
Female
1
Under 5
2
3
5–9
3
10
25–34
13
10
45–54
12
12
55–59
16
9
60–64
11
15
65–74
18
4
75–84
6
2
85+
3
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 9 | 6.0% |
| 18 and over | 141 | 94.0% |
| 65 and over | 48 | 32.0% |
| Median age | 59.6 years | |
Race & ethnicity
White
94.8%
Hispanic or Latino
2.6%
Two or more races
2.6%
| Group | Count | % |
|---|---|---|
| White | 146 | 94.8% |
| Hispanic or Latino | 4 | 2.6% |
| Two or more races | 4 | 2.6% |
Household income
Under $10k
20.5%
$35k–$50k
5.5%
$50k–$75k
20.5%
$75k–$100k
16.4%
$100k–$150k
37.0%
| Range | % of households |
|---|---|
| Under $10k | 20.5% |
| $35k–$50k | 5.5% |
| $50k–$75k | 20.5% |
| $75k–$100k | 16.4% |
| $100k–$150k | 37.0% |
| Median income | $84,063 |
Housing
Home values
$50k–$100k
28.8%
$100k–$150k
17.8%
$150k–$200k
12.3%
$200k–$300k
5.5%
$300k–$500k
30.1%
$500k–$1M
5.5%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $165,600 |
| Median rent / month | $0 |
| Owner occupied | 100.0% |
| Renter occupied | 0.0% |
| Vacant | 0.0% |
| Single-family detached | 100.0% |
| Large apartment buildings | 0.0% |
| Mobile homes | 0.0% |
| Median rooms | 6.0 |
| Avg household size (owned) | 2.05 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 20.5% |
| 2000–2009 | 6.8% |
| 1990–1999 | 11.0% |
| 1980–1989 | 6.8% |
| 1970–1979 | 0.0% |
| 1960–1969 | 11.0% |
| 1950–1959 | 12.3% |
| 1940–1949 | 0.0% |
| 1939 or earlier | 31.5% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.0% |
| 1 bedroom | 0.0% |
| 2 bedrooms | 23.3% |
| 3 bedrooms | 61.6% |
| 4 bedrooms | 15.1% |
| 5+ bedrooms | 0.0% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 0.0% |
| 1 vehicle | 11.0% |
| 2 vehicles | 13.7% |
| 3 or more | 75.3% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 64.4% |
| Electricity | 12.3% |
| Propane / LP gas | 23.3% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 54 | 74.0% |
| Cohabiting couple | 0 | 0.0% |
| Male householder, no spouse | 4 | 5.5% |
| Female householder, no spouse | 15 | 20.5% |
| Households with children under 18 | 4 | 5.5% |
| Households with seniors (65+) | 28 | 38.4% |
| Average household size | 2.05 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 0.0% | 19.8% |
| Married | 93.3% | 61.7% |
| Separated | 6.7% | 0.0% |
| Widowed | 0.0% | 0.0% |
| Divorced | 0.0% | 18.5% |
Education
Less than 9th grade
0.0%
Some HS, no diploma
3.5%
HS graduate
58.2%
Some college, no degree
29.1%
Associate's degree
6.4%
Bachelor's degree
2.8%
Graduate / professional
0.0%
| Metric | % |
|---|---|
| HS diploma or higher | 96.5% |
| Bachelor's or higher | 2.8% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 0 | 0.0% |
| Kindergarten | 3 | 50.0% |
| Elementary school | 3 | 50.0% |
| High school | 0 | 0.0% |
| College / grad school | 0 | 0.0% |
Employment
Industry of employment
Retail trade
26.6%
Education & healthcare
21.9%
Manufacturing
20.3%
Finance & real estate
18.8%
Construction
12.5%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 35.9% |
| Service | 18.8% |
| Sales & office | 15.6% |
| Natural resources & construction | 20.3% |
| Production & transportation | 9.4% |
Employment type
| Type | % |
|---|---|
| Private sector | 100.0% |
| Government | 0.0% |
| Self-employed | 0.0% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 93.8% |
| Carpool | 6.3% |
| Public transit | 0.0% |
| Walk | 0.0% |
| Work from home | 0.0% |
| Other means | 0.0% |
| Avg commute (minutes) | 34.3 |
Poverty
All people
20.7%
Under 18 years
0.0%
18 and over
22.0%
Married-couple families
0.0%
Female-led households
100.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 43.8% |
| Retirement income | 38.4% |
| Supplemental Security | 5.5% |
| Cash public assistance | 0.0% |
| Food stamps / SNAP | 20.5% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 0.0% |
| High blood pressure | 0.0% |
| High cholesterol | 0.0% |
| Diabetes | 0.0% |
| Heart disease | 0.0% |
| Stroke | 0.0% |
| Asthma | 0.0% |
| Arthritis | 0.0% |
| Kidney disease | 0.0% |
| Pulmonary disease | 0.0% |
| Cancer | 0.0% |
| Behavior / access | % |
|---|---|
| Smoking | 0.0% |
| Binge drinking | 0.0% |
| No physical activity | 0.0% |
| Less than 7 hrs sleep | 0.0% |
| Depression | 0.0% |
| Fair or poor health | 0.0% |
| Poor mental health | 0.0% |
| Poor physical health | 0.0% |
| No health insurance | 0.0% |
| Visited doctor (checkup) | 0.0% |
| Visited dentist | 0.0% |
| Cholesterol screening | 0.0% |
| Teeth loss | 0.0% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 13 | 9.2% |
| Disability | % |
|---|---|
| Any disability | 16.7% |
| Under 18 | 0.0% |
| 18–64 years | 10.8% |
| 65 and over | 31.3% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 82.7% |
| Public insurance | 52.7% |
| No insurance | 0.0% |
| Uninsured under 19 | 0.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 147 | 98.0% |
| 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) | 150 | 100.0% |
| Born in same state | 150 | 100.0% |
| Born in different state | 125 | 83.3% |
| Foreign born | 0 | 0.0% |
| Naturalized citizen | 0 | 0.0% |
| Not a US citizen | 0 | 0.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 44 | 29.3% |
| French | 27 | 18% |
| Ancestry | Count | % |
|---|---|---|
| English | 5 | 3.3% |
| Polish | 5 | 3.3% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 48.7% |
| Internet access | 93.2% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 50623
What city is ZIP code 50623 in?
ZIP code 50623 is primarily assigned to Dewar, Iowa.
What county is ZIP code 50623 in?
ZIP code 50623 falls within Black Hawk County, Iowa.
Does ZIP code 50623 have an older population?
32% of residents in ZIP code 50623 are 65 or older, above the national average of ~17%.
How educated is the population of ZIP code 50623?
3% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
What is the poverty rate in ZIP code 50623?
21% of residents in ZIP code 50623 live below the poverty line, above the national average.
Does ZIP code 50623 have a large retiree population?
44% of households in ZIP code 50623 receive Social Security income, suggesting a significant retiree or disability population.
What timezone is ZIP code 50623 in?
ZIP code 50623 observes the CST timezone.