Columbiaville, MI · standard
ZIP Code 48421
Lapeer County, Michigan - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 6,647
- 63/sq mi Moderate-density area
- $71,114
- Median income Near-median income area
- $220,600
- Median home value Near-median home value
- 20.9%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Columbiaville pairs a below-median household income with below-median home values, in a rural, homeowner-dominated area.
- 48th pct
- household income, US ZIPs
- 49th pct
- home value, US ZIPs
- 63
- people per sq mi
- 89%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 48421 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 48421 (Columbiaville, MI) rose +6.0% from 2023 to 2024. The all-transactions index moved from 159.8 in 2023 to 169.3 in 2024 (2000 = 100).
ZIP code 48421 is a mid-sized community (a standard USPS delivery area) in Columbiaville, Lapeer County, Michigan, home to 6,647 residents across 105.0 square miles, a density of 63 people per square mile, in the Detroit time zone.
ZIP 48421 lands in the middle-income range, with a median household income of $71,114 (3% below the average Michigan ZIP), while per-capita income is $33,307. The poverty rate is 6.4%, with unemployment at 8.4%; those measures add context to the income figure. Median home value is $220,600 (0% above the average Michigan ZIP) and median rent is $654; 88.5% of occupied homes are owner-occupied.
Educational attainment sits below the national norm: 20.9% of adults hold a bachelor's degree or higher, the median age is 44.4, and the average commute is 38 minutes. The page also surfaces 5 ZIP codes within roughly 10 miles and 6 more in Lapeer County, so 48421 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 →
Top industries in ZIP 48421
Top 5 sectors by establishment count in Columbiaville, MI
Which industries have the most business establishments in ZIP 48421.
- Other services (except public administration)
Other services (except public administration)
10 establishments
- Construction
Construction
9 establishments
- Wholesale trade
Wholesale trade
5 establishments
- Retail trade
Retail trade
5 establishments
- Administrative and support and waste management and remediation services
Administrative and support and waste management and remediation services
5 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
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 48421, Columbiaville, MI · 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
6,647
Population
105.0
Area (sq mi)
63
People / sq mi
Detroit
Time Zone
standard
ZIP Type
Who lives in ZIP 48421?
44.4
Median Age
49.6%
Male
50.4%
Female
1.8%
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?
$71,114
Median Household Income
-3% vs state ZIP avg
$33,307
Per Capita Income
6.4%
Poverty Rate
8.4%
Unemployment Rate
38.2 min
Mean Commute Time
How ZIP 48421 ranks among Michigan ZIPs
Columbiaville, MI household income vs. every Michigan ZIP code
Median household income among 962 reporting Michigan ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$71,114 Top 46% higher than 54% of 962 Michigan ZIPs
Each bar is a $20K-wide band; taller bars hold more Michigan 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
3,049housing units
3,049
Total Housing Units
2,632
Occupied Units
417
Vacant Units
2.63
Avg Household Size
Occupancy Type
$220,600
Median Home Value
+0% vs state ZIP avg
$654
Median Rent
1974
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+6.0%
YoY Change (2024)
169
HPI Index (2000 = 100)
+69%
Total Change Since 2000
Home values in ZIP 48421 have increased 6.0% over the past year (2024). Since 2000, this ZIP has seen +69% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | -0.3% | 125 |
| 2021 | +13.5% | 142 |
| 2022 | +12.6% | 160 |
| 2023 | +0.0% | 160 |
| 2024 | +6.0% | 169 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 53 business establishments in ZIP 48421, employing approximately 198 people with a combined annual payroll of $8,055,000.
53
Businesses
198
Employees
$8.1M
Annual Payroll
7
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Other services (except public administration) | 10 | 18.9% |
| Construction | 9 | 17.0% |
| Wholesale trade | 5 | 9.4% |
| Retail trade | 5 | 9.4% |
| Administrative and support and waste management and remediation services | 5 | 9.4% |
| Professional, scientific, and technical services | 3 | 5.7% |
| Health care and social assistance | 3 | 5.7% |
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 48421 vs 48464 →
ZIP 48421 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 48423
Davison (48423)
32,708 residents
- 48446
Lapeer (48446)
30,749 residents
- 48421 6,647
Columbiaville (48421)
6,647 residents
- 48463 4,627
Otisville (48463)
4,627 residents
- 48464 2,231
Otter Lake (48464)
2,231 residents
- 48435 2,083
Fostoria (48435)
2,083 residents
What this shows Among its immediate neighbors, ZIP 48421 ranks #3 by population - useful context the national average alone can't give.
ZIP 48421 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 48435
Fostoria (48435)
$86,905 median income
- 48464
Otter Lake (48464)
$81,417 median income
- 48463
Otisville (48463)
$72,500 median income
- 48421
Columbiaville (48421)
$71,114 median income
- 48446
Lapeer (48446)
$66,062 median income
- 48423
Davison (48423)
$65,079 median income
What this shows By household income, ZIP 48421 ranks #4 of 6 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 48421, both outside MI so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (6,647 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Lapeer County
Related Areas
Frequently Asked Questions
What county is ZIP code 48421 in?
ZIP code 48421 (Columbiaville) is located in Lapeer County, Michigan. Lapeer County contains multiple ZIP codes, see the full list at /counties/lapeer-mi.
What is the population of ZIP code 48421?
ZIP code 48421 in Columbiaville, MI has a population of 6,647 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 48421?
The median household income in ZIP 48421 is $71,114, which is 7% below the national average of $76,288.
What is the average home value in ZIP 48421?
The median home value in ZIP 48421 is $220,600, which is 21% below the national average of $278,155.
What is the demographic makeup of ZIP 48421?
The largest racial group in ZIP 48421 is White at 97.6%. Hispanic or Latino residents make up 1.2% of the population.
How many businesses are in ZIP code 48421?
ZIP code 48421 has 53 business establishments employing approximately 198 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 48421?
The top industries by establishment count in ZIP 48421 are: Other services (except public administration) (10), Construction (9), Wholesale trade (5). There are 7 industry sectors represented in total.
How have home values changed in ZIP code 48421?
According to the FHFA House Price Index, home values in ZIP 48421 increased by 6.0% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 69%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 48421?
In ZIP code 48421, 51.1% of residents aged 25+ have a high school diploma or higher, and 20.9% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 48421?
The mean commute time for workers in ZIP code 48421 is 38.2 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 48421?
In ZIP code 48421, approximately 88.5% of occupied housing units are owner-occupied and 11.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 48421?
The poverty rate in ZIP code 48421 is 6.4% 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 48421's numbers, next.
- See how ZIP 48421 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Columbiaville, MI 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.