Postal Codes

Código postal 21661

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El código postal 21661 cubre Rock Hall, Maryland, con una población de unos 2,400 y un ingreso medio del hogar de $87,778.

Población
2,40073 per square mile
Edad media
5920.3 points above the US average
Ingreso medio del hogar
$87,77814% below the Maryland median
Tasa de pobreza
10.3%2.1 points below the US average
Valor típico de la vivienda
$371,017up 19.5% in five years
Alquiler medio
$1,14631% below the Maryland median
Título universitario o superior
36.7%1.7 points above the US average
Vivienda en propiedad
76.8%11.8 points above the US average
Zona horaria
Eastern UTC-05:00observes daylight saving time
Empresas
69

Dónde está 21661

Rock Hall, Maryland — el área que la Oficina del Censo delimita para este código postal. Los códigos postales son conjuntos de rutas de reparto y no áreas, así que esto es la aproximación del Censo, no un límite del Servicio Postal.

Población y hogares

American Community Survey 2019–2023 five-year estimates

Población2,400
Edad media59
Hogares familiares54.2%
Nacidos fuera de EE. UU.4.3%
Habla un idioma distinto del inglés en casa4.5%
Blanca (no hispana)89%
Negra (no hispana)3.1%
Asiática (no hispana)0%
Hispana o latina5.7%
Veteranos10.6%
Población por edad
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Ingresos y pobreza

American Community Survey 2019–2023 five-year estimates

Ingreso medio del hogar$87,778
Ingreso por persona$52,141
Tasa de pobreza10.3%
Hogares con SNAP o ayudas en efectivo14.4%

Household income distribution

Under $10k3.5%
$10–15k4.6%
$15–20k3.3%
$20–25k4.2%
$25–30k5.0%
$30–35k1.8%
$35–40k3.8%
$40–45k3.2%
$45–50k4.2%
$50–60k2.4%
$60–75k8.4%
$75–100k19.8%
$100–125k13.1%
$125–150k7.9%
$150–200k5.4%
$200k or more9.3%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Declaraciones presentadas1,200
Ingreso bruto ajustado medio$73,638
Declaraciones de $200,000 o más5.8%
Returns, under $25k30.0%
Returns, $25k–$50k25.8%
Returns, $50k–$75k14.2%
Returns, $75k–$100k8.3%
Returns, $100k–$200k15.8%
Returns, $200k or more5.8%
Vivienda

American Community Survey 2019–2023 five-year estimates

Valor medio de la vivienda$258,800
Alquiler bruto medio$1,146
Ocupada por su propietario76.8%
Viviendas vacías33.4%
Año medio de construcción1976

What the homes are

Casa unifamiliar aislada83.8%
Casa adosada5.3%
De 2 a 4 viviendas1.3%
De 5 a 19 viviendas5.8%
20 o más viviendas2%
Casa móvil1.8%
Precios y alquileres actuales

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Valor típico de la vivienda$371,017as of 2026-07
Typical home value, 1 yearup 3.8%
Typical home value, 5 yearsup 19.5%
Typical home value, 10 yearsup 74.4%
Valor típico de la vivienda desde 2000
200020132026$371,017$117,491

$117,491 in 2000 to $371,017 in 2026.

Trabajo, desplazamientos y educación

American Community Survey 2019–2023 five-year estimates

Tasa de desempleo1.2%
Licenciatura o superior36.7%
Bachillerato o superior92.5%
Trabaja desde casa7.3%
Conduce solo al trabajo76.4%
Usa el transporte público0%
Se desplaza 45 minutos o más20.7%
Salud

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesidad35.4% 2 pts above the national average of 33.4%
Diabetes diagnosticada14.9% 2.9 pts above the national average of 12%
Fuma actualmente12.3% 0.9 pts below the national average of 13.2%
Hipertensión arterial46.9% 12.8 pts above the national average of 34.1%
Salud general regular o mala19.2% 1.1 pts below the national average of 20.3%
Sin seguro médico (18 a 64 años)6.6% 4.7 pts below the national average of 11.3%
Depresión21.8% same as the national average of 21.9%
Sin actividad física en el tiempo libre24.3% 1.1 pts below the national average of 25.4%
Artritis37.8% 12.7 pts above the national average of 25.1%
Consumo excesivo de alcohol13.8% 2.2 pts below the national average of 16%
Toma medicación para la tensión82.9% 8.2 pts above the national average of 74.7%
Cáncer (excepto de piel)13% 5.3 pts above the national average of 7.7%
Asma actual10.6% same as the national average of 10.4%
Cardiopatía coronaria9.1% 2.9 pts above the national average of 6.2%
Revisión médica en el último año82.9% 6.2 pts above the national average of 76.7%
Prueba de colesterol91.9% 6 pts above the national average of 85.9%
Discapacidad cognitiva11.8% 3 pts below the national average of 14.8%
Cribado colorrectal74.1% 9.8 pts above the national average of 64.3%
EPOC9.1% 2.5 pts above the national average of 6.6%
Visitó al dentista65.7% 4.4 pts above the national average of 61.3%
Alguna discapacidad29.6% 1.1 pts below the national average of 30.7%
Falta de apoyo emocional20.7% 4.1 pts below the national average of 24.8%
Inseguridad alimentaria10.7% 6.4 pts below the national average of 17.1%
Recibió cupones de alimentos9% 5.3 pts below the national average of 14.3%
Discapacidad auditiva8.9% 2.2 pts above the national average of 6.7%
Colesterol alto45.8% 9.6 pts above the national average of 36.2%
Inseguridad habitacional8.6% 5.2 pts below the national average of 13.8%
Discapacidad para la vida independiente7.6% 0.8 pts below the national average of 8.4%
Falta de transporte5.8% 3.4 pts below the national average of 9.2%
Soledad29.1% 5.3 pts below the national average of 34.4%
Mamografía81.7% 5.8 pts above the national average of 75.9%
Mala salud mental (14 días o más)14% 2.8 pts below the national average of 16.8%
Discapacidad de movilidad16% 2 pts above the national average of 14%
Mala salud física (14 días o más)14% 0.5 pts above the national average of 13.5%
Discapacidad para el autocuidado4% same as the national average of 4%
Riesgo de corte de suministros5.7% 3.1 pts below the national average of 8.8%
Duerme menos de 7 horas33.1% 3.3 pts below the national average of 36.4%
Ictus4.5% 1.1 pts above the national average of 3.4%
Pérdida de todos los dientes naturales10.7% 2.3 pts below the national average of 13%
Discapacidad visual4.8% 0.8 pts below the national average of 5.6%
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Empresas y empleo

Census ZIP Code Business Patterns 2022

Establecimientos comerciales69
Personas empleadas444
Nómina anual$13,449,000
Riesgo de desastres naturales

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Riesgo generalMayor que el 47.2% de los sectores censales de EE. UU.
Calificación de FEMARelatively Low
Pérdida anual esperada37.6 sobre 100
Resiliencia comunitaria82 sobre 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Inundación costera97.3Relatively High at its worst in this ZIP code
Sequía96.2Relatively High at its worst in this ZIP code
Rayos94.8Relatively High at its worst in this ZIP code
Huracán86.1Relatively Moderate at its worst in this ZIP code
Viento fuerte81.9Relatively High at its worst in this ZIP code
Incendio forestal78Relatively Low at its worst in this ZIP code
Temporal invernal77.3Relatively Moderate at its worst in this ZIP code
Ola de calor66.4Relatively Moderate at its worst in this ZIP code
Terremoto53.1Relatively Low at its worst in this ZIP code
Tormenta de hielo51.9Relatively Low at its worst in this ZIP code
Deslizamiento de tierra51.6Very Low at its worst in this ZIP code
Granizo51.4Relatively Low at its worst in this ZIP code
Ola de frío45.2Relatively Low at its worst in this ZIP code
Tornado44.1Relatively Low at its worst in this ZIP code
Inundación fluvial16.1Relatively Low at its worst in this ZIP code
Comparado con Maryland y Estados Unidos

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPMarylandUnited States
Ingreso medio del hogar$87,778$101,652$78,538
Ingreso por persona$52,141$51,689$43,289
Tasa de pobreza10.3%9.3%12.4%
Valor medio de la vivienda$258,800$397,700$303,400
Alquiler bruto medio$1,146$1,662$1,348
Vivienda en propiedad76.8%67.5%65%
Licenciatura o superior36.7%42.7%35%
Tasa de desempleo1.2%4.9%5.2%
Trabaja desde casa7.3%17.2%13.5%
Nacidos fuera de EE. UU.4.3%16.3%13.9%
Edad media5939.338.7
Clima

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Estación meteorológicaCHESTERTOWN, MD US17.9 km away
Lluvia al año46 in
Nieve al año17 in

Average high and low by month

enero40.8°F / 27.1°F3.34 in rain, 5.2 in snow
febrero44.2°F / 28.1°F2.89 in rain, 7.9 in snow
marzo52.5°F / 35.1°F4.25 in rain, 1.7 in snow
abril64.4°F / 45°F3.72 in rain, 0.2 in snow
mayo73.6°F / 54.9°F3.88 in rain
junio82.2°F / 64°F4.41 in rain
julio86.6°F / 68.7°F4.35 in rain
agosto85°F / 67.2°F3.56 in rain
septiembre78.3°F / 60.2°F4.9 in rain
octubre66.8°F / 48.1°F3.67 in rain
noviembre55.5°F / 38.1°F3.18 in rain
diciembre45.4°F / 31.1°F3.81 in rain, 1.7 in snow
Acceso a alimentos

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Bajos ingresos y lejos de un supermercadoNone of this ZIP code
Lejos de un supermercadoNone of this ZIP code
Sin vehículo y lejos de un supermercadoNone of this ZIP code
Distritos escolares

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Kent County Public Schools100% de la superficie de este código postal
Comunidad y caminabilidad

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Vulnerabilidad social general40más vulnerable que el 40% de los sectores censales de EE. UU.
Nivel socioeconómico32más vulnerable que el 32% de los sectores censales de EE. UU.
Características del hogar51más vulnerable que el 51% de los sectores censales de EE. UU.
Minorías raciales y étnicas25más vulnerable que el 25% de los sectores censales de EE. UU.
Tipo de vivienda y transporte55más vulnerable que el 55% de los sectores censales de EE. UU.
Caminabilidad6.2 out of 20Below average
Códigos postales cercanos

The closest ZIP codes by centre point, which is not the same as sharing a border.

21620 Chestertown, MDa 15.6 km
21656 Price, MDa 16.3 km
21690 Chestertown, MDa 16.3 km
21658 Queenstown, MDa 16.5 km
21617 Centreville, MDa 18.2 km
21056 Gibson Island, MDa 18.6 km
21619 Chester, MDa 20.1 km
21052 Fort Howard, MDa 20.2 km
Ubicación, condados y zona horaria

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Kent County100% of this ZIP code's land area
Zona horariaEastern (UTC-05:00 standard)
Horario de veranoObserved
Superficie terrestre33.04 sq mi
Superficie de agua22.03 sq mi
Densidad de población73 people per sq mi
Latitud, longitud39.1344, -76.2305

Las cifras corresponden a este código postal o a su área de tabulación censal salvo que la sección indique otra cosa. Las estimaciones cuyo margen de error las hacía poco fiables se omiten en lugar de mostrarse. Fuentes: Oficina del Censo de EE. UU., CDC, IRS.

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