Código postal 21045 — Columbia, MD

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El código postal 21045 cubre Columbia, Maryland, con una población de unos 40,866 y un ingreso medio del hogar de $117,323.

Población: 40,8664,214 per square mile
Edad media: 38.4about the US average
Ingreso medio del hogar: $117,3231.2× the Maryland median
Tasa de pobreza: 8.4%4 points below the US average
Valor típico de la vivienda: $488,441up 17.8% in five years
Alquiler medio: $1,7681.1× the Maryland median
Título universitario o superior: 57.4%22.4 points above the US average
Vivienda en propiedad: 69%4 points above the US average
Zona horaria: Eastern UTC-05:00observes daylight saving time
Empresas: 1,398

Dónde está 21045

Columbia, 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

Población	40,866
Edad media	38.4
Hogares familiares	68.6%
Nacidos fuera de EE. UU.	21.9%
Habla un idioma distinto del inglés en casa	23.7%
Blanca (no hispana)	41.7%
Negra (no hispana)	32.1%
Asiática (no hispana)	8.7%
Hispana o latina	11.1%
Veteranos	8.2%

Población por edad

Ingresos y pobreza

American Community Survey 2019–2023 five-year estimates

Ingreso medio del hogar	$117,323
Ingreso por persona	$53,227
Tasa de pobreza	8.4%
Hogares con SNAP o ayudas en efectivo	10.1%

Household income distribution

Under $10k	2.9%
$10–15k	1.8%
$15–20k	3.0%
$20–25k	1.9%
$25–30k	1.2%
$30–35k	2.1%
$35–40k	2.7%
$40–45k	1.9%
$45–50k	1.9%
$50–60k	4.2%
$60–75k	6.3%
$75–100k	12.0%
$100–125k	11.1%
$125–150k	9.1%
$150–200k	15.1%
$200k or more	22.6%

Income as declared to the IRS

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

Declaraciones presentadas	19,900
Ingreso bruto ajustado medio	$92,297
Declaraciones de $200,000 o más	10.3%
Returns, under $25k	23.6%
Returns, $25k–$50k	18.0%
Returns, $50k–$75k	13.3%
Returns, $75k–$100k	10.6%
Returns, $100k–$200k	24.3%
Returns, $200k or more	10.3%

Vivienda

American Community Survey 2019–2023 five-year estimates

Valor medio de la vivienda	$438,500
Alquiler bruto medio	$1,768
Alquiler como porcentaje del ingreso del hogar	29.4%
Ocupada por su propietario	69%
Viviendas vacías	2.9%
Año medio de construcción	1979

What the homes are

Casa unifamiliar aislada	43.4%
Casa adosada	28.8%
De 2 a 4 viviendas	2.2%
De 5 a 19 viviendas	17.6%
20 o más viviendas	7.7%
Casa móvil	0.1%
Barco, autocaravana o furgoneta	0.1%

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	$488,441as of 2026-07
Typical home value, 1 year	up 0.2%
Typical home value, 5 years	up 17.8%
Typical home value, 10 years	up 47.9%
Alquiler típico solicitado	$2,308as of 2026-07
Typical asking rent, 1 year	up 4.2%
Typical asking rent, 5 years	up 26.7%
Typical asking rent, 10 years	up 46.5%

Valor típico de la vivienda desde 2000

$155,392 in 2000 to $488,441 in 2026.

Alquiler típico solicitado

$1,551 in 2015 to $2,308 in 2026.

Trabajo, desplazamientos y educación

American Community Survey 2019–2023 five-year estimates

Tasa de desempleo	5.7%
Licenciatura o superior	57.4%
Bachillerato o superior	93.5%
Trabaja desde casa	23.1%
Conduce solo al trabajo	66.9%
Usa el transporte público	3.1%
Se desplaza 45 minutos o más	17.1%

Salud

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

Obesidad	33.5% same as the national average of 33.4%
Diabetes diagnosticada	11.3% 0.7 pts below the national average of 12%
Fuma actualmente	8.7% 4.5 pts below the national average of 13.2%
Hipertensión arterial	36.2% 2.1 pts above the national average of 34.1%
Salud general regular o mala	14.7% 5.6 pts below the national average of 20.3%
Sin seguro médico (18 a 64 años)	7.5% 3.8 pts below the national average of 11.3%
Depresión	18.9% 3 pts below the national average of 21.9%
Sin actividad física en el tiempo libre	18.5% 6.9 pts below the national average of 25.4%
Artritis	25.4% same as the national average of 25.1%
Consumo excesivo de alcohol	13.4% 2.6 pts below the national average of 16%
Toma medicación para la tensión	75.4% 0.7 pts above the national average of 74.7%
Cáncer (excepto de piel)	7.3% same as the national average of 7.7%
Asma actual	10% same as the national average of 10.4%
Cardiopatía coronaria	5.1% 1.1 pts below the national average of 6.2%
Revisión médica en el último año	80.5% 3.8 pts above the national average of 76.7%
Prueba de colesterol	90.6% 4.7 pts above the national average of 85.9%
Discapacidad cognitiva	10.7% 4.1 pts below the national average of 14.8%
Cribado colorrectal	69.3% 5 pts above the national average of 64.3%
EPOC	4.7% 1.9 pts below the national average of 6.6%
Visitó al dentista	68.7% 7.4 pts above the national average of 61.3%
Alguna discapacidad	23.6% 7.1 pts below the national average of 30.7%
Falta de apoyo emocional	22.5% 2.3 pts below the national average of 24.8%
Inseguridad alimentaria	12.6% 4.5 pts below the national average of 17.1%
Recibió cupones de alimentos	9.4% 4.9 pts below the national average of 14.3%
Discapacidad auditiva	5.1% 1.6 pts below the national average of 6.7%
Colesterol alto	38.7% 2.5 pts above the national average of 36.2%
Inseguridad habitacional	11.6% 2.2 pts below the national average of 13.8%
Discapacidad para la vida independiente	5.9% 2.5 pts below the national average of 8.4%
Falta de transporte	7% 2.2 pts below the national average of 9.2%
Soledad	31.8% 2.6 pts below the national average of 34.4%
Mamografía	82.8% 6.9 pts above the national average of 75.9%
Mala salud mental (14 días o más)	13.8% 3 pts below the national average of 16.8%
Discapacidad de movilidad	10.5% 3.5 pts below the national average of 14%
Mala salud física (14 días o más)	10.6% 2.9 pts below the national average of 13.5%
Discapacidad para el autocuidado	2.9% 1.1 pts below the national average of 4%
Riesgo de corte de suministros	7.3% 1.5 pts below the national average of 8.8%
Duerme menos de 7 horas	38.7% 2.3 pts above the national average of 36.4%
Ictus	2.9% 0.5 pts below the national average of 3.4%
Pérdida de todos los dientes naturales	6.8% 6.2 pts below the national average of 13%
Discapacidad visual	3.9% 1.7 pts below the national average of 5.6%

Empresas y empleo

Census ZIP Code Business Patterns 2022

Establecimientos comerciales	1,398
Personas empleadas	22,410
Nómina anual	$1,388,185,000

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 general	Mayor que el 16.7% de los sectores censales de EE. UU.
Calificación de FEMA	Very Low to Relatively Low en los 9 sectores censales que cubre este código postal
Pérdida anual esperada	20.3 sobre 100
Resiliencia comunitaria	88.7 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.

Temporal invernal	84.4Relatively High at its worst in this ZIP code
Viento fuerte	75.9Relatively High at its worst in this ZIP code
Rayos	70.1Relatively High at its worst in this ZIP code
Ola de calor	68.5Relatively Moderate at its worst in this ZIP code
Huracán	67.2Relatively Moderate at its worst in this ZIP code
Granizo	60.1Relatively Moderate at its worst in this ZIP code
Terremoto	50.1Relatively Low at its worst in this ZIP code
Deslizamiento de tierra	45Very Low at its worst in this ZIP code
Tormenta de hielo	39.2Relatively Low at its worst in this ZIP code
Ola de frío	35.8Relatively Low at its worst in this ZIP code
Incendio forestal	35.5Very Low at its worst in this ZIP code
Tornado	32.3Relatively Low at its worst in this ZIP code
Sequía	24.7Relatively Low at its worst in this ZIP code
Inundación fluvial	22.4Relatively 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 ZIP	Maryland	United States
Ingreso medio del hogar	$117,323	$101,652	$78,538
Ingreso por persona	$53,227	$51,689	$43,289
Tasa de pobreza	8.4%	9.3%	12.4%
Valor medio de la vivienda	$438,500	$397,700	$303,400
Alquiler bruto medio	$1,768	$1,662	$1,348
Vivienda en propiedad	69%	67.5%	65%
Licenciatura o superior	57.4%	42.7%	35%
Tasa de desempleo	5.7%	4.9%	5.2%
Trabaja desde casa	23.1%	17.2%	13.5%
Nacidos fuera de EE. UU.	21.9%	16.3%	13.9%
Edad media	38.4	39.3	38.7

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 meteorológica	BALTIMORE WASH INTL AP, MD US13.5 km away
Lluvia al año	45 in
Nieve al año	19 in

Average high and low by month

enero	43.2°F / 25.4°F3.08 in rain, 6.4 in snow
febrero	46.4°F / 26.9°F2.9 in rain, 7.5 in snow
marzo	54.8°F / 33.9°F4.01 in rain, 2.8 in snow
abril	66.5°F / 43.6°F3.39 in rain
mayo	75.5°F / 53.3°F3.85 in rain
junio	84.4°F / 62.6°F3.98 in rain
julio	88.8°F / 67.7°F4.48 in rain
agosto	86.5°F / 65.8°F4.09 in rain
septiembre	79.7°F / 58.8°F4.44 in rain
octubre	68.3°F / 46.5°F3.94 in rain
noviembre	57.3°F / 36.5°F3.13 in rain, 0.1 in snow
diciembre	47.5°F / 29.6°F3.71 in rain, 2.5 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 supermercado	11% of this ZIP code's area
Lejos de un supermercado	11% of this ZIP code's area
Sin vehículo y lejos de un supermercado	9% of this ZIP code's area

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%.

Howard County Public Schools	100% 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 general	46más vulnerable que el 46% de los sectores censales de EE. UU.
Nivel socioeconómico	32más vulnerable que el 32% de los sectores censales de EE. UU.
Características del hogar	66más vulnerable que el 66% de los sectores censales de EE. UU.
Minorías raciales y étnicas	69más vulnerable que el 69% de los sectores censales de EE. UU.
Tipo de vivienda y transporte	46más vulnerable que el 46% de los sectores censales de EE. UU.
Caminabilidad	13.9 out of 20Above average

Códigos postales cercanos

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

21044 Columbia, MD	a 4.1 km
21046 Columbia, MD	a 4.3 km
21043 Ellicott City, MD	a 6.2 km
21075 Elkridge, MD	a 6.8 km
20794 Jessup, MD	a 7.2 km
20763 Savage, MD	a 7.5 km
21042 Ellicott City, MD	a 7.9 km
20701 Annapolis Junction, MD	a 8.5 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.

Howard County	100% of this ZIP code's land area
Zona horaria	Eastern (UTC-05:00 standard)
Horario de verano	Observed
Superficie terrestre	9.7 sq mi
Superficie de agua	0.09 sq mi
Densidad de población	4,214 people per sq mi
Latitud, longitud	39.2051, -76.8322

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.