Ionia, IA · standard
ZIP Code 50645
Chickasaw County, Iowa - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 1,204
- 6/sq mi Low-density area
- $64,408
- Median income Near-median income area
- $114,600
- Median home value Below-median home value
- 15.6%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
Ionia pairs a below-median household income with among the most affordable home values nationally, in a rural, homeowner-dominated area.
- 37th pct
- household income, US ZIPs
- 14th pct
- home value, US ZIPs
- 6
- people per sq mi
- 90%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 50645 against every reporting US ZIP.
ZIP code 50645 is a sparsely populated ZIP (a standard USPS delivery area) in Ionia, Chickasaw County, Iowa, home to just 1,204 residents across 215.0 square miles, a density of 6 people per square mile, in the Chicago time zone.
ZIP 50645 reports a modest median household income of $64,408 (16% below the average Iowa ZIP), while per-capita income is $33,920. The poverty rate is 11.7%, with unemployment at 0.2%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $114,600 (35% below the average Iowa ZIP), and median rent is $924; owner occupancy is 90.2%.
Educational attainment sits below the national norm: 15.6% of adults hold a bachelor's degree or higher, the median age is 53.8, and the average commute is -. The page also surfaces 3 ZIP codes within roughly 10 miles and 5 more in Chickasaw County, so 50645 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 50645, Ionia, IA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
1,204
Population
215.0
Area (sq mi)
6
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 50645?
53.8
Median Age
54.9%
Male
45.1%
Female
1.2%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$64,408
Median Household Income
-16% vs state ZIP avg
$33,920
Per Capita Income
11.7%
Poverty Rate
0.2%
Unemployment Rate
How ZIP 50645 ranks among Iowa ZIPs
Ionia, IA household income vs. every Iowa ZIP code
Median household income among 911 reporting Iowa ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$64,408 28th percentile higher than 28% of 911 Iowa ZIPs
Each bar is a $20K-wide band; taller bars hold more Iowa ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
622housing units
622
Total Housing Units
571
Occupied Units
51
Vacant Units
2.09
Avg Household Size
Occupancy Type
$114,600
Median Home Value
-35% vs state ZIP avg
$924
Median Rent
1958
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 21 business establishments in ZIP 50645, employing approximately 69 people with a combined annual payroll of $4,511,000.
21
Businesses
69
Employees
$4.5M
Annual Payroll
1
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 10 | 47.6% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 50645 vs 50658 →
ZIP 50645 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 50659
New Hampton (50659)
5,488 residents
- 50658
Nashua (50658)
2,518 residents
- 50645 1,204
Ionia (50645)
1,204 residents
- 50620 54
Colwell (50620)
54 residents
What this shows Among its immediate neighbors, ZIP 50645 ranks #3 by population - useful context the national average alone can't give.
ZIP 50645 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 50659
New Hampton (50659)
$78,153 median income
- 50658
Nashua (50658)
$71,936 median income
- 50645
Ionia (50645)
$64,408 median income
What this shows By household income, ZIP 50645 ranks #3 of 3 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 50645, both outside IA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (1,204 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Chickasaw County
Related Areas
Frequently Asked Questions
What county is ZIP code 50645 in?
ZIP code 50645 (Ionia) is located in Chickasaw County, Iowa. Chickasaw County contains multiple ZIP codes, see the full list at /counties/chickasaw-ia.
What is the population of ZIP code 50645?
ZIP code 50645 in Ionia, IA has a population of 1,204 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 50645?
The median household income in ZIP 50645 is $64,408, which is 16% below the national average of $76,288.
What is the average home value in ZIP 50645?
The median home value in ZIP 50645 is $114,600, which is 59% below the national average of $278,155.
What is the demographic makeup of ZIP 50645?
The largest racial group in ZIP 50645 is White at 94.6%. Hispanic or Latino residents make up 1.7% of the population.
How many businesses are in ZIP code 50645?
ZIP code 50645 has 21 business establishments employing approximately 69 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 50645?
In ZIP code 50645, 70.5% of residents aged 25+ have a high school diploma or higher, and 15.6% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 50645?
In ZIP code 50645, approximately 90.2% of occupied housing units are owner-occupied and 9.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 50645?
The poverty rate in ZIP code 50645 is 11.7% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 50645's numbers, next.
- See how ZIP 50645 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Ionia, IA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.