ZIP Code 50623 in Dewar, IA

Data Last Updated: October 1, 2025
City:Dewar, Iowa
County:Black Hawk County
Timezone:Central (GMT -06:00)
Local Time:7:12:57 PM
Population:146 [See All]
Area Code:319
Classification:PO Box
Coordinates:42.5338, -92.2094
Land Area:2.068 sq mi
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Population & Demographics


ZIP Code 50623 has 146 residents and 61 households (average 2.39 persons per household). The median age is 50.0 years, significantly older than the state (38.6) and significantly older than the nation (38.8). The gender split is 51.4% male and 48.6% female, which is slightly higher than the national male share (49.1%), making this a male-majority area. Largest groups are White (94.5%, much higher than the state average of 84.5% and well above the national average of 61.6%) and Hispanic or Latino (0.7%); Hispanic or Latino residents make up 0.7%, which is much lower than the national average (18.7%).

Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2023 American Community Survey (ACS) 5-Year Estimates.
2020 Population:146Source: Census DHC
2023 ACS Population Estimate:145Source: Census ACS
2025 ZC Population Estimate:0Source: ZIP-Codes.com
Population Density:70.6 people per sq mile
Average Income:$92,132Source: Census ACS
Households:61Source: Census DHC
Average House Value:$170,500Source: Census ACS
Persons Per Household:2.39Source: Census DHC
Average Family Size:2.70Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group20102011210220132014201520162017201820192020202120222023
Census ACS Population Estimate--0000000000123150145
Decennial Census0------------------146------
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 50

Male Median Age: 51.8

Female Median Age: 38.5

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male32231615749130152200
Female441210104121410790101
Total76144116569513237242301
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:13899.28%
Black:00%
Hispanic:*10.72%
Asian:00%
American Indian:00%
Hawaiian:00%
Other:00%
Total:139100%
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


GenderCount%Median Age
Males:7551.37%51.8 years
Females:7148.63%38.5 years
Total:146100%50.0 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:145100.00%
Native, born in PR, Island Areas, or abroad:00.00%
Foreign born, naturalized U.S. citizen:00.00%
Foreign born, not a U.S. citizen:00.00%
Total Population:145100%
Total Native Population:145100.00%
Total Foreign-born Population:00.00%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment


In 2023, the Median household income is $92,132, which is much higher than the state median ($73,147), and above its 2019 pre-pandemic level by $92,132. Family households earn a median of $91,691 versus $0 for nonfamily households (a difference of $91,691). By gender, male median income is $72,083 and female is $36,250, which is much lower than the national female median ($53,445), with a current gap of $35,833 that has widened from 2011 to 2023. The labor-force participation rate is 45.7%, which is considerably lower than the state rate (66.5%). The unemployment rate is 0.0%, which is markedly below the national rate (5.2%). The largest occupation group is Management (34.5%).

Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)


Income Type2011201220132014201520162017201820192020202120222023
Median Household Income$0$0$0$0$0$0$0$0$0$0$82,778$84,063$92,132
Median Family Income$0$0$0$0$0$0$0$0$0$0$79,583$82,813$91,691
Median NonFamily Income$0$0$0$0$0$0$0$0$0$0$0$0$0
Median Male Income$0$0$0$0$0$0$0$0$0$0$122,813$0$72,083
Median Female Income$0$0$0$0$0$0$0$0$0$0$44,167$45,833$36,250
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employed:5845.67%
Unemployed:00.00%
Not In Labor Force:6954.33%
Total:127100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)


Management, business, science, and arts:2034.48%
Service:1322.41%
Sales and Office:1017.24%
Natural resources, construction, and maintenance:915.52%
Production, transportation, and material moving:610.34%
Total Civilian Employed Population:58100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In 2023, the median home value is $170,500, which is much lower than the national median ($303,400), and above its 2019 pre-pandemic level by $170,500. The median gross rent is $0, which is far less than the state median ($949), and above its 2019 pre-pandemic level by $0. Of occupied housing, owners make up 100.00% (42.03% with a mortgage, 57.97% free-and-clear) and renters 0.00% - making this ZIP Code more home ownership than the state and under national rental averages. Insufficient data for vacancy rate.

Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time


Group2011210220132014201520162017201820192020202120222023
Median Home Value$0$0$0$0$0$0$0$0$0$0$0$165,600$170,500
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:00%
$500 to $999:00%
$1,000 to $1,499:00%
$1,500 to $1,999:00%
$2,000 to $2,499:00%
$2,500 to $2,999:00%
$3,000 or more:00%
No Rent:00%
Total:0100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time


Group2011210220132014201520162017201820192020202120222023
Median Rent$0$0$0$0$0$0$0$0$0$0$0$0$0
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):2942.03%
Owner Occupied (free and clear, no mortgage):4057.97%
Renter Occupied:00.00%
Total Occupied Housing Units:69100%

Occupied Housing Units:69100.00%
Vacant Housing Units (not graphed):00.00%
Total Housing Units:69100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Housing Type (Single-Family, Multi-Family, Other)


Single-Family Units:69100.00%
Multi-Family Units:00.00%
Other Units:00.00%
Total Housing Units:69100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2023, 2.40% of adults (25+) have a bachelor's degree or higher, which is far lower than the national rate (35.00%). High school or higher is 100.00%, which is comparable to the national rate (89.40%). The uninsured rate is 0.00%, which is comparable to the national rate (8.60%). Public coverage is 78.60%, which is far higher than the national rate (36.30%). The share of people in poverty is 0.00%, which is comparable to the national rate (8.70%). Poverty has been broadly stable, which may reflect structural barriers or offsetting gains and setbacks. Among residents ages 3+, the largest enrollment group is elementary (78.57%). College enrollment is 0.00%, which is comparable to the national rate (26.70%), meaning the community mirrors broader higher-education participation.

Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:00.00%
9th to 12th grade, no diploma:00.00%
High school graduate (includes equivalency):7962.20%
Some college, no degree:3628.35%
Associate's degree:97.09%
Bachelor's degree:32.36%
Graduate or professional degree:00.00%
Total:127100%
High school or higher:127100.00%
Bachelor's degree or higher:32.36%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:11750.65%
Public Insurance:11449.35%
No Insurance:00.00%
Total:231100%
Has Health Insurance:231100.00%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2023)


Group2011210220132014201520162017201820192020202120222023
% of People in Poverty0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%17.7%21.7%0.0%
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:00.00%
Kindergarten:321.43%
Elementary school (grades 1-8):1178.57%
High school (grades 9-12):00.00%
College or graduate school:00.00%
Total:14100%
Early Childhood:321.43%
K-12 (Primary & Secondary School):14100.00%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 50623 supports both business and residential activity. According to the Business Census (2023), there are 3 business establishments, employing about 54 people with an annual payroll of $2,544,000.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:230Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:3Source: CBP
1st Quarter Payroll:$547,000Source: CBP
Annual Payroll:$2,544,000Source: CBP
# of Employees:54Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 50623 is located in Black Hawk County, Iowa, within the Waterloo-Cedar Falls, IA Metropolitan Statistical Area (CBSA 47940) and Iowa's 2nd Congressional District. This Metro area has a population of 168,163 people, about 0.09% of whom live in ZIP Code 50623. It covers 2.068 sq mi of land and a water area of 0 sq mi.

CBSA Name:Waterloo-Cedar Falls, IASource: Census
CBSA Number:47940Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:168,163Source: Census
MSA:Waterloo-Cedar Falls, IA MSASource: Census
Land Area:2.068 sq miSource: Census
Water Area:--Source: Census
Congressional District:02Source: USPS
Congressional Land Area:12261.92 sq miSource: Census
PMSA:--Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:--Source: Census
Place Name:--Source: Census

Adjacent & Nearby ZIP Codes


50624 | | 50622

Schools in ZIP Code 50623


We could not locate which school district 50623 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Dunkerton Elementary 509 Canfield
Dunkerton, IA 50626
District: Dunkerton Community School DistrictNearby
Dunkerton High School 509 Canfield
Dunkerton, IA 50626
District: Dunkerton Community School DistrictNearby
Elk Run Early Childhood Center 316 Mc Coy Rd
Elk Run Heights, IA 50707
District: Waterloo Community School DistrictNearby
Bunger Middle School 157 S Roosevelt Rd
Evansdale, IA 50707
District: Waterloo Community School DistrictNearby
Expo Alternative Learning Center 1410 Independence Ave
Waterloo, IA 50703
District: Waterloo Community School DistrictNearby
Royal Legacy Christian Academy 715 E 4th St
Waterloo, IA 50703
District: Private SchoolNearby
Bosco Catholic School System 405 16th Ave
Gilbertville, IA 50634
District: Private SchoolNearby
Immaculate Conception-St Joseph School 311 16th Ave
Gilbertville, IA 50634
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 50623


Allen College 1990 Heath St
Waterloo, IA 50703-1999
Type: Post Secondary
Hawkeye Community College 1501 E Orange Rd
Waterloo, IA 50701
Type: Post Secondary
The Salon Professional Academy-Cedar Falls 1350 College Square Mall
Cedar Falls, IA 50613
Type: Post Secondary
La James International College-Cedar Falls 6322 University Ave
Cedar Falls, IA 50613
Type: Post Secondary
University Of Northern Iowa 1227 W 27th St
Cedar Falls, IA 50614-0005
Type: Post Secondary
Wartburg College 100 Wartburg Blvd.
Waverly, IA 50677-0903
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on October 1, 2025.

  1. U.S. Postal Service [Last Updated: 10/1/2025], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 10/1/2025], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2023 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 10/1/2025], https://nces.ed.gov