Frederick, MD
Census ZIP code profile for Frederick, MD - 5 ZIPs, total population 120,323. Median income, home value, education, commute, and demographics from the U.S. Census Bureau American Community Survey 2023 5-Year Estimates.
U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage
ACS city ledger plate
Sheet FREDERICK-MD · Frederick, MD 5 ZIPs · 120,323 pop · #2172/25278 · Frederick County
INC-TOP · RANK-TOP · PHOTO-FINISH · BOOK-MID · OWN-MID · POP-MID · SPREAD-MOD · HOME-HIGH
- INC-TOP $120,239
- RANK-TOP #2172/25278
- PHOTO-FINISH ≈ Walkersville
- BOOK-MID 5 ZIPs
- OWN-MID 70% owners
- POP-MID 120,323
- SPREAD-MOD 21703→21704
- HOME-HIGH $464,475
Nearest income peer: Walkersville, MD (+ $1,732 income $)
Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.
Income neighbourhood around Frederick
Lowest/highest poles plus county-sharing cities nearest Frederick on average ZIP median household income. Full ladder: /cities.
- Emmitsburg · lowest
Emmitsburg · lowest
$95,236 median HH income
- Brunswick · near
Brunswick · near
$109,382 median HH income
- Knoxville · near
Knoxville · near
$111,528 median HH income
- Frederick · this city
Frederick · this city
$120,239 median HH income
- Walkersville · near
Walkersville · near
$121,971 median HH income
- Jefferson · near
Jefferson · near
$137,417 median HH income
- Monrovia · highest
Monrovia · highest
$183,571 median HH income
What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.
National city placement
According to ACS 5-Year Estimates, Frederick, MD sits among US cities with a top-decile household income, on a mid-size population base, across a compact ZIP cluster.
- Top 9%
- household income vs 25,278 US cities
- 120,323
- city population (Census)
- 5
- USPS ZIP codes covered
- $120,239
- avg ZIP median income
Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.
High-income city with a manageable ZIP set (5 codes). Median household income averages $120,239 against unemployment of 22.7%. Home values around $464,475 and rents near $1,992 usually move together, compare two adjacent ZIPs when school-catchment pockets matter.
Frederick lands mid-pack among the 12 cities sharing Frederick County: Mount Airy, New Market and Middletown earn more and Thurmont, Emmitsburg and Knoxville earn less. Monrovia marks the far end of that range at $183,571, 53% above Frederick.
Within-city ZIP comparison
Where the ZIP codes inside Frederick differ
Frederick's city average masks two linked splits. Median household income runs from $106,334 in ZIP 21703 to $161,063 in ZIP 21704, while home values span $384,600 in 21703 to $612,000 in 21704. Compare the endpoint ZIPs before treating the city-level number as a neighborhood-level answer.
- Income high-to-low ratio
- 1.5×
- Home-value high-to-low ratio
- 1.6×
- Poverty-rate spread
- 97.1 points
21703 to 21704
21703 to 21704
21704 to 21705
Derived from the published ACS 2023 ZIP-level records shown on this site. A high-to-low ratio compares the highest and lowest available ZIP values; it is not a score or forecast.
Population concentration
Frederick population is a blend, not a flagship ZIP
Across 5 delivery areas, the densest code 21702 still covers only about 32% of Frederick's 120,323 residents. The city average is a blend, pick two ZIPs with different incomes before using one number.
Census ZBP business roll-up
Dense employer mosaic across Frederick
Citywide ZBP: 4,368 establishments, 73,762 employees , annual payroll $4,542,315k (~36 establishments per 1,000 residents) across 5 of 5 ZIPs. Peak business ZIP 21701 (1,616 units) ; leading NAICS Professional, scientific, and technical services (670) · also Health care and social assistance · Retail trade .
ZIP Codes in Frederick, MD
These ZIP codes sit in Frederick County, which covers 28 ZIP codes in all; 5 of them fall in Frederick. See the Frederick County roll-up →
Frederick lands mid-pack among the 12 cities sharing Frederick County: Mount Airy, New Market and Middletown earn more and Thurmont, Emmitsburg and Knoxville earn less. Monrovia marks the far end of that range at $183,571, 53% above Frederick.
Side-by-side: Compare 21702 vs 21701 →
Frederick roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Frederick, .