Housing data for ZIP code 21921

ZIP code 21921 has an estimated 45,527 residents and 18,475 homes (US Census Bureau, 2020–2024 American Community Survey).

It lies in Cecil County.

30.2% of households rent.

The median gross rent is $1,421 (±$54) a month.

The median home value is $330,400 (±$14,886).

The median household income is $85,775 (±$5,745) a year.

Figures last updated on .

Residents
45,527 (±1,566)
Median gross rent
$1,421
Median home value
$330,400
Households that rent
30.2%

How ZIP code 21921 compares

Estimate (90% margin of error)
ZIP 21921Cecil CountyMarylandUnited States
Residents45,527 (±1,566)104,9606,206,011334,922,499
Housing units18,475 (±596)44,3552,560,784143,775,355
Households that rent30.2% (±2.9 points)24.7%32.4%34.8%
Median gross rent$1,421 (±$54)$1,377$1,705$1,413
Median home value$330,400 (±$14,886)$343,400$419,900$332,700
Median household income$85,775 (±$5,745)$92,007$103,678$80,734
Median real estate taxes (a year)$3,073 (±$160)$3,068$4,093$3,119
Renters paying 30% or more of income58.7% (±8.3 points)49.6%51.5%51.1%
Built before 198041.9% (±4.0 points)40.0%51.2%49.7%
Average commute26.9 minutes (±1.4)28.5 minutes31.1 minutes26.4 minutes
Households with broadband90.8% (±2.1 points)91.3%92.4%91.0%
Median age of residents39.4 years (±1.2)40.6 years39.4 years38.9 years

In ZIP 21921, median gross rent is not measurably different from Cecil County ($1,377).

It is also lower than in Maryland ($1,705).

It is not measurably different from the national figure ($1,413).

Among the 12 ZIP codes in Cecil County with a published estimate, ZIP 21921 ranks 5 from highest to lowest median gross rent.

Among the 13 ZIP codes in Cecil County with a published estimate, ZIP 21921 ranks 9 from highest to lowest median home value.

Among the 13 ZIP codes in Cecil County with a published estimate, ZIP 21921 ranks 9 from highest to lowest median household income.

Rankings use the estimates alone; where margins of error overlap, neighboring ranks may not truly differ.

Rent in ZIP code 21921

Share of rented homes in each gross-rent range, 2020–2024
Monthly gross rentZIP 21921Cecil CountyMarylandUnited States
Less than $5003.3% (±1.7 points)5.9%5.5%6.3%
$500 to $99914.1% (±4.9 points)18.6%9.2%20.2%
$1,000 to $1,49940.3% (±6.5 points)35.8%22.9%28.1%
$1,500 to $1,99930.4% (±5.8 points)29.1%30.1%21.1%
$2,000 to $2,4999.4% (±3.5 points)8.1%18.3%12.0%
$2,500 to $2,9991.6% (±1.4 points)1.2%7.7%5.5%
$3,000 or more0.8% (±0.8 points)1.3%6.2%6.8%

The most common range is $1,000 to $1,499, paid by 40.3% of renting households.

Rent by bedrooms in ZIP code 21921

Median gross rent by number of bedrooms, estimate (90% margin of error)
BedroomsCensus median
Studio$747 (±$218)
1 bedroom$1,088 (±$277)
2 bedrooms$1,367 (±$69)
3 bedrooms$1,603 (±$127)
4 bedrooms$2,516 (±$425)

Rent burden in ZIP code 21921

Renting households by gross rent as a percentage of household income, 2020–2024
Share of income spent on rentZIP 21921Cecil CountyMarylandUnited States
Less than 15%13.0% (±4.0 points)14.0%11.5%12.6%
15% to 19.9%8.8% (±3.8 points)8.8%12.0%12.2%
20% to 24.9%11.7% (±4.4 points)16.5%13.1%12.6%
25% to 29.9%7.8% (±3.7 points)11.2%11.9%11.5%
30% to 34.9%13.4% (±6.0 points)9.9%9.2%9.2%
35% or more45.3% (±5.7 points)39.7%42.3%41.9%

58.7% (±8.3 points) of renting households in ZIP code 21921 spend 30% or more of their income on gross rent.

Home values in ZIP code 21921

Owner-occupied homes by value, 2020–2024
ValueZIP 21921Cecil CountyMarylandUnited States
Less than $50,0003.0% (±1.3 points)4.5%3.0%5.3%
$50,000 to $99,9993.6% (±1.2 points)2.4%2.0%6.1%
$100,000 to $149,9992.2% (±1.1 points)1.7%2.7%6.8%
$150,000 to $199,9996.8% (±1.6 points)6.5%4.8%9.0%
$200,000 to $299,99926.8% (±3.8 points)23.9%14.8%17.8%
$300,000 to $499,99943.5% (±3.7 points)44.4%37.1%26.9%
$500,000 to $999,99912.5% (±3.0 points)14.9%29.7%20.9%
$1,000,000 or more1.6% (±0.9 points)1.8%6.0%7.1%

Value is the owner’s own estimate of what the home and lot would sell for, not a sale price or an assessment.

The homes in ZIP code 21921

Housing units by units in structure, 2020–2024
Building typeZIP 21921Cecil CountyMarylandUnited States
Single-family, detached65.9% (±2.7 points)71.3%51.2%61.3%
Single-family, attached (townhouse, rowhouse)11.4% (±2.2 points)8.7%21.3%6.2%
2 units2.6% (±1.0 points)2.7%1.5%3.4%
3 or 4 units2.9% (±1.0 points)2.2%2.1%4.3%
5 to 9 units6.5% (±2.1 points)4.0%5.2%4.5%
10 to 19 units3.1% (±1.1 points)3.2%7.3%4.3%
20 or more units3.7% (±1.1 points)2.9%10.2%10.3%
Mobile home3.9% (±1.3 points)5.0%1.3%5.6%
Boat, RV, van, etc.0.0% (±0.2 points)0.0%0.0%0.1%

When the homes in ZIP code 21921 were built

Housing units by year structure built, 2020–2024
Year builtZIP 21921Cecil CountyMarylandUnited States
2020 or later2.5% (±1.1 points)1.4%1.4%2.0%
2010 to 20199.0% (±2.3 points)8.9%8.1%9.4%
2000 to 200915.5% (±2.4 points)17.9%11.5%13.6%
1990 to 199918.4% (±2.8 points)17.0%13.1%12.4%
1980 to 198912.9% (±2.0 points)14.7%14.8%12.9%
1970 to 197916.5% (±2.6 points)12.2%13.5%14.2%
1960 to 19698.0% (±1.6 points)8.3%11.5%9.9%
1950 to 19597.0% (±1.5 points)7.1%10.5%9.5%
1940 to 19492.6% (±1.0 points)2.8%5.0%4.4%
1939 or earlier7.8% (±1.9 points)9.6%10.7%11.7%

41.9% of the homes in ZIP code 21921 were built before 1980, so many fall under the federal lead-paint disclosure rules for homes built before 1978.

Heating fuel in ZIP code 21921

Occupied housing units by house heating fuel, 2020–2024
Fuel used mostZIP 21921Cecil CountyMarylandUnited States
Utility gas29.9% (±3.0 points)16.7%43.1%46.5%
Fuel oil, kerosene, etc.14.0% (±1.8 points)18.7%6.6%3.9%
Electricity37.4% (±3.4 points)39.4%44.1%41.3%
Bottled or tank gas (propane)14.8% (±2.7 points)19.4%3.8%4.9%
Wood1.6% (±0.7 points)2.8%1.0%1.4%
Solar energy0.3% (±0.2 points)0.8%0.4%0.3%
Coal or coke0.1% (±0.1 points)0.2%0.1%0.1%
Other fuel1.0% (±0.7 points)1.1%0.5%0.5%
No fuel used1.0% (±0.6 points)1.0%0.6%1.2%

How people in ZIP code 21921 get to work

Workers 16 and over by means of transportation to work, 2020–2024
Means of transportationZIP 21921Cecil CountyMarylandUnited States
Drove alone76.3% (±2.7 points)75.3%64.7%68.8%
Carpooled9.2% (±1.9 points)8.5%7.7%8.5%
Public transportation0.4% (±0.4 points)0.3%4.2%3.2%
Walked1.5% (±0.7 points)2.0%2.0%2.4%
Other means (bicycle, taxi, motorcycle)1.2% (±0.6 points)1.5%2.0%2.0%
Worked from home11.3% (±1.7 points)12.4%19.3%15.1%

Workers who live in ZIP code 21921 take an average of 26.9 minutes to get to work.

ZIP codes near 21921

Nearest ZIP codes with Census figures, by straight-line distance between their internal points
ZIP codeDistanceMedian gross rentMedian home valueMedian household incomeHouseholds that rent
219202.2 mi$1,346$356,000$124,14634.6%
219016.5 mi$1,465$367,400$113,71926.9%
197176.8 mi————
197027.0 mi$1,645$346,100$92,44639.8%
219147.5 mi$1,522$288,500$66,80619.6%
197138.5 mi$1,325$292,600$76,49337.0%
197118.7 mi$1,636$398,900$95,40335.5%
219159.1 mi$825$376,500$95,87520.8%

Crime reported to police in Cecil County

In 2025, the police departments that report for Cecil County recorded 208 violent and 1,087 property crimes per 100,000 residents.

The FBI publishes crime by police department, not by ZIP code, so this is the figure for the county as a whole.

ZIP code 21921 is reported as ZIP Code Tabulation Area 21921: the Census Bureau’s area built from census blocks to match the ZIP code’s delivery area as closely as it can.

Survey years: 2020–2024 (American Community Survey 5-year estimates).

Margins of error are at the 90% confidence level.

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Questions about ZIP 21921

What is the median rent in ZIP code 21921?

The median gross rent in ZIP Code Tabulation Area 21921 is $1,421 (±$54) a month (2020–2024 American Community Survey).

What is the median home value in ZIP code 21921?

The median value of owner-occupied homes in ZIP code 21921 is $330,400 (±$14,886) (2020–2024 American Community Survey).

What is the median household income in ZIP code 21921?

The median household income in ZIP code 21921 is $85,775 (±$5,745) a year (2020–2024 American Community Survey).

Sources

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for ZCTA5 21921 (zip code tabulation area:21921).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The API needs a free key.

Request a Census API key.

DP05_0001E, DP05_0001M, DP04_0134E, DP04_0134M, DP04_0089E, DP04_0089M, DP03_0062E, DP03_0062M, DP04_0047PE, DP04_0047PM

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.

Figures last updated on .

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